From 0e49e50a658f6cca89f73dd3d38e5252032ab7ef Mon Sep 17 00:00:00 2001
From: Igor Afanasyev <afan@evernote.com>
Date: Tue, 30 Jul 2019 15:39:29 -0700
Subject: [PATCH] Bump version to 1.4; regenerate tests

---
 lib/Serge.pm                                  |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../01/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../02/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.ini.po   |  2 +-
 .../03/reference-output/database/properties   | 10 +++---
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../reference-output/po/test/strings2.xml.po  |  2 +-
 .../04/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../05/reference-output/database/properties   | 10 +++---
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../reference-output/po/test/strings2.xml.po  |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../01/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../02/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../03/reference-output/database/properties   | 10 +++---
 .../reference-output/po/test/strings1.xml.po  |  2 +-
 .../reference-output/po/test/strings2.xml.po  |  2 +-
 .../04/reference-output/database/properties   |  2 +-
 .../po/test/invalid_strings.xml.po            |  2 +-
 .../05/reference-output/database/properties   |  2 +-
 .../reference-output/po/test/strings1.xml.po  |  2 +-
 .../reference-output/database/properties      |  2 +-
 .../06/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../reference-output/database/properties      |  2 +-
 .../reference-output/database/properties      |  2 +-
 .../reference-output/database/properties      | 10 +++---
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../reference-output/po/test/strings2.xml.po  |  2 +-
 .../reference-output/database/properties      |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../01/reference-output/database/properties   |  4 +--
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../02/reference-output/database/properties   | 20 +++++------
 .../reference-output/po/test/strings1.xml.po  |  2 +-
 .../reference-output/po/test/strings2.xml.po  |  2 +-
 .../reference-output/po/test/strings3.xml.po  |  2 +-
 .../reference-output/po/test/strings4.xml.po  |  2 +-
 .../reference-output/po/test/strings5.xml.po  |  2 +-
 .../03/reference-output/database/properties   | 16 ++++-----
 .../reference-output/po/test/strings1.xml.po  |  2 +-
 .../reference-output/po/test/strings2.xml.po  |  2 +-
 .../reference-output/po/test/strings3.xml.po  |  2 +-
 .../reference-output/po/test/strings4.xml.po  |  2 +-
 .../04/reference-output/database/properties   | 14 ++++----
 .../04/reference-output/po/de/strings.xml.po  |  2 +-
 .../04/reference-output/po/es/strings.xml.po  |  2 +-
 .../04/reference-output/po/it/strings.xml.po  |  2 +-
 .../04/reference-output/po/ru/strings.xml.po  |  2 +-
 .../00/reference-output/database/properties   | 18 +++++-----
 .../po/test/feature1/strings.ini.po           |  2 +-
 .../po/test/feature2/strings.ini.po           |  2 +-
 .../reference-output/po/test/strings.ini.po   |  2 +-
 .../reference-output/database/properties      | 12 +++----
 .../po/test/feature1/strings.ini.po           |  2 +-
 .../reference-output/po/test/strings.ini.po   |  2 +-
 .../reference-output/database/properties      | 12 +++----
 .../po/test/feature1/strings.ini.po           |  2 +-
 .../reference-output/po/test/strings.ini.po   |  2 +-
 .../5/reference-output/database/properties    |  6 ++--
 .../reference-output/po/ru_RU/strings.txt.po  |  2 +-
 .../00/reference-output/database/properties   |  2 +-
 .../01/reference-output/database/properties   |  2 +-
 .../02/reference-output/database/properties   |  2 +-
 .../03/reference-output/database/properties   |  2 +-
 .../00/reference-output/database/properties   | 34 +++++++++----------
 .../00/reference-output/po/de/strings.xml.po  |  2 +-
 .../00/reference-output/po/de/strings5.xml.po |  2 +-
 .../00/reference-output/po/es/strings.xml.po  |  2 +-
 .../00/reference-output/po/es/strings5.xml.po |  2 +-
 .../00/reference-output/po/fr/strings.xml.po  |  2 +-
 .../00/reference-output/po/fr/strings5.xml.po |  2 +-
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../reference-output/po/test/strings3.xml.po  |  2 +-
 .../01/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings3.xml.po  |  2 +-
 .../02/reference-output/database/properties   |  6 ++--
 .../po/test/strings2.localizable.xml.po       |  2 +-
 .../reference-output/database/properties      |  6 ++--
 .../reference-output/po/test/sample.ini.po    |  2 +-
 .../reference-output/database/properties      |  6 ++--
 .../reference-output/po/test/sample.inc.po    |  2 +-
 .../reference-output/database/properties      |  6 ++--
 .../reference-output/po/test/sample.php.po    |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../reference-output/database/properties      | 18 +++++-----
 .../reference-output/po/de/strings.xml.po     |  2 +-
 .../reference-output/po/de/strings2.xml.po    |  2 +-
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../reference-output/po/test/strings2.xml.po  |  2 +-
 .../reference-output/database/properties      |  6 ++--
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/messages.json.po |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.csv.po   |  2 +-
 .../01/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.csv.po   |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.dtd.po   |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../00/reference-output/po/test/strings.go.po |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../00/reference-output/po/test/strings.js.po |  2 +-
 .../01/reference-output/database/properties   |  6 ++--
 .../01/reference-output/po/test/strings.js.po |  2 +-
 .../00/reference-output/database/properties   | 10 +++---
 .../reference-output/po/test/relaxed.json.po  |  2 +-
 .../reference-output/po/test/strings.json.po  |  2 +-
 .../01/reference-output/database/properties   |  6 ++--
 .../01/reference-output/po/test/mixed.json.po |  2 +-
 .../02/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/blanks.json.po   |  2 +-
 .../03/reference-output/database/properties   |  6 ++--
 .../03/reference-output/po/test/mixed.json.po |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.json.po  |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.txt.po   |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../po/test/email_template.xml.master.po      |  2 +-
 .../01/reference-output/database/properties   |  6 ++--
 .../po/test/email_template.xml.master.po      |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../00/reference-output/po/test/index.php.po  |  2 +-
 .../01/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.php.po   |  2 +-
 .../02/reference-output/database/properties   |  4 +--
 .../reference-output/po/test/strings.php.po   |  2 +-
 .../03/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.php.po   |  2 +-
 .../04/reference-output/database/properties   | 10 +++---
 .../04/reference-output/po/test/1.html.po     |  2 +-
 .../04/reference-output/po/test/2.html.po     |  2 +-
 .../05/reference-output/database/properties   | 22 ++++++------
 .../05/reference-output/po/test/1.php.po      |  2 +-
 .../05/reference-output/po/test/2.php.po      |  2 +-
 .../05/reference-output/po/test/3.php.po      |  2 +-
 .../05/reference-output/po/test/4.php.po      |  2 +-
 .../05/reference-output/po/test/5.php.po      |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.plist.po |  2 +-
 .../00/reference-output/database/properties   | 14 ++++----
 .../po/test/non-standard.pot.po               |  2 +-
 .../reference-output/po/test/template.pot.po  |  2 +-
 .../reference-output/po/test/translated.po.po |  2 +-
 .../01/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/template.pot.po  |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../po/test/StripesResources.properties.po    |  2 +-
 .../01/reference-output/database/properties   |  6 ++--
 .../po/test/StripesResources.properties.po    |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../po/test/application.rc.po                 |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../po/test/Resources.resx.po                 |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.rrc.po   |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../po/test/Localizable.strings.po            |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../00/reference-output/po/test/strings.ts.po |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../po/test/strings_en-us.wxl.po              |  2 +-
 .../00/reference-output/database/properties   | 18 +++++-----
 .../po/test/sample_1.x.xliff.po               |  2 +-
 .../po/test/sample_1.x_tr.xliff.po            |  2 +-
 .../po/test/sample_2.x.xliff.po               |  2 +-
 .../po/test/sample_2.x_tr.xliff.po            |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.yml.po   |  2 +-
 .../01/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.yml.po   |  2 +-
 .../02/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.yml.po   |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../01/reference-output/database/properties   |  6 ++--
 .../01/reference-output/po/test/sample.ini.po |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../01/reference-output/database/properties   | 10 +++---
 .../reference-output/po/test/strings1.xml.po  |  2 +-
 .../reference-output/po/test/strings2.xml.po  |  2 +-
 .../02/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../03/reference-output/database/properties   | 10 +++---
 .../03/reference-output/po/test/ts1.po        |  2 +-
 .../03/reference-output/po/test/ts2.po        |  2 +-
 .../04/reference-output/database/properties   |  6 ++--
 .../04/reference-output/po/de/strings.txt.po  |  2 +-
 .../05/reference-output/database/properties   |  6 ++--
 .../05/reference-output/po/de/strings.txt.po  |  2 +-
 .../06/reference-output/database/properties   | 10 +++---
 .../06/reference-output/po/pt/strings.txt.po  |  2 +-
 .../reference-output/po/pt_BR/strings.txt.po  |  2 +-
 .../00/reference-output/database/properties   | 12 +++----
 .../reference-output/po/test/1.properties.po  |  2 +-
 .../reference-output/po/test/2.properties.po  |  2 +-
 .../01/reference-output/database/properties   | 12 +++----
 .../reference-output/po/test/1.properties.po  |  2 +-
 .../reference-output/po/test/2.properties.po  |  2 +-
 .../02/reference-output/database/properties   | 12 +++----
 .../reference-output/po/test/1.properties.po  |  2 +-
 .../reference-output/po/test/2.properties.po  |  2 +-
 .../03/reference-output/database/properties   | 18 +++++-----
 .../reference-output/po/test/1.properties.po  |  2 +-
 .../reference-output/po/test/2.properties.po  |  2 +-
 .../reference-output/po/test/3.properties.po  |  2 +-
 .../04/reference-output/database/properties   | 18 +++++-----
 .../reference-output/po/test/1.properties.po  |  2 +-
 .../reference-output/po/test/2.properties.po  |  2 +-
 .../reference-output/po/test/3.properties.po  |  2 +-
 .../05/reference-output/database/properties   | 18 +++++-----
 .../reference-output/po/test/1.properties.po  |  2 +-
 .../reference-output/po/test/2.properties.po  |  2 +-
 .../reference-output/po/test/3.properties.po  |  2 +-
 .../06/reference-output/database/properties   | 18 +++++-----
 .../reference-output/po/test/1.properties.po  |  2 +-
 .../reference-output/po/test/2.properties.po  |  2 +-
 .../reference-output/po/test/3.properties.po  |  2 +-
 .../07/reference-output/database/properties   | 12 +++----
 .../reference-output/po/test/1.properties.po  |  2 +-
 .../reference-output/po/test/2.properties.po  |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../01/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../02/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.xml.po   |  2 +-
 .../00/reference-output/database/properties   |  2 +-
 .../reference-output/database/properties      |  2 +-
 .../reference-output/database/properties      |  6 ++--
 .../po/de/StripesResources.properties.po      |  2 +-
 .../00/reference-output/database/properties   |  2 +-
 .../01/reference-output/database/properties   |  2 +-
 .../reference-output/database/properties      |  2 +-
 .../reference-output/database/properties      |  2 +-
 .../00/reference-output/database/properties   | 10 +++---
 .../reference-output/po/es/test.txt.master.po |  2 +-
 .../po/es_419/test.txt.master.po              |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.ini.po   |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../reference-output/po/test/strings.ini.po   |  2 +-
 .../00/reference-output/database/properties   |  6 ++--
 .../po/test/strings.properties.po             |  2 +-
 258 files changed, 562 insertions(+), 562 deletions(-)

diff --git a/lib/Serge.pm b/lib/Serge.pm
index 2ad0ff00..eadac238 100644
--- a/lib/Serge.pm
+++ b/lib/Serge.pm
@@ -21,6 +21,6 @@ L<https://serge.io/>
 
 package Serge;
 
-our $VERSION = '1.3.2';
+our $VERSION = '1.4';
 
 1;
\ No newline at end of file
diff --git a/t/data/engine/append_hint_message/00/reference-output/database/properties b/t/data/engine/append_hint_message/00/reference-output/database/properties
index e722ea7d..6821b933 100644
--- a/t/data/engine/append_hint_message/00/reference-output/database/properties
+++ b/t/data/engine/append_hint_message/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7
     4     5 ts:1:test:count 7
     5     6 usn:1:test 18
-    6     7 ts:1:test 012dd6e90e686b1a8804a149529e9e47
+    6     7 ts:1:test c3c7e9a2940c930fa1771598c73857b8
     7     8 target:1:test_job:test 8fee2f1c1a22f94775715f22617ac043
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test d030501b7df107a2a9b9e879edfaef02
     10    11 source:ts:1:test_job:test
-          012dd6e90e686b1a8804a149529e9e47
+          c3c7e9a2940c930fa1771598c73857b8
     11    12 job-hash:test_namespace:test_job
           515e93f11dfbcf9df1fbf788f6bab4b8
     12    13 job-plugin:test_namespace:test_job parse_android.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/append_hint_message/00/reference-output/po/test/strings.xml.po b/t/data/engine/append_hint_message/00/reference-output/po/test/strings.xml.po
index 600e422f..6e00824b 100644
--- a/t/data/engine/append_hint_message/00/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/append_hint_message/00/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #. Message from append_hint_message plugin
diff --git a/t/data/engine/append_hint_message/01/reference-output/database/properties b/t/data/engine/append_hint_message/01/reference-output/database/properties
index e2dc9fb0..823565bf 100644
--- a/t/data/engine/append_hint_message/01/reference-output/database/properties
+++ b/t/data/engine/append_hint_message/01/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7
     4     5 ts:1:test:count 7
     5     6 usn:1:test 18
-    6     7 ts:1:test 7d27b61cb0fe366c48f5cee723e38f7d
+    6     7 ts:1:test 671c0d183cbd3def02beb47efd274f60
     7     8 target:1:test_job:test 8fee2f1c1a22f94775715f22617ac043
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test d030501b7df107a2a9b9e879edfaef02
     10    11 source:ts:1:test_job:test
-          7d27b61cb0fe366c48f5cee723e38f7d
+          671c0d183cbd3def02beb47efd274f60
     11    12 job-hash:test_namespace:test_job
           b6716358624445402bebedda023e04ae
     12    13 job-plugin:test_namespace:test_job parse_android.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/append_hint_message/01/reference-output/po/test/strings.xml.po b/t/data/engine/append_hint_message/01/reference-output/po/test/strings.xml.po
index 8afecc6c..efeb91f0 100644
--- a/t/data/engine/append_hint_message/01/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/append_hint_message/01/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #. Message from append_hint_message plugin
diff --git a/t/data/engine/append_hint_message/02/reference-output/database/properties b/t/data/engine/append_hint_message/02/reference-output/database/properties
index 3b1de0f3..11088047 100644
--- a/t/data/engine/append_hint_message/02/reference-output/database/properties
+++ b/t/data/engine/append_hint_message/02/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5
     4     5 ts:1:test:count 5
     5     6 usn:1:test 16
-    6     7 ts:1:test 0a8a01a450bb646cd5705c50642990c2
+    6     7 ts:1:test bf643e89fde198ab3884c5419142a7cc
     7     8 target:1:test_job:test 1281deaa06c1f29d215fce3141b2725b
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 1281deaa06c1f29d215fce3141b2725b
     10    11 source:ts:1:test_job:test
-          0a8a01a450bb646cd5705c50642990c2
+          bf643e89fde198ab3884c5419142a7cc
     11    12 job-hash:test_namespace:test_job
           9da494d2ac228de6ab6038029e765421
     12    13 job-plugin:test_namespace:test_job parse_keyvalue.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/append_hint_message/02/reference-output/po/test/strings.ini.po b/t/data/engine/append_hint_message/02/reference-output/po/test/strings.ini.po
index f0745e8c..08f444e5 100644
--- a/t/data/engine/append_hint_message/02/reference-output/po/test/strings.ini.po
+++ b/t/data/engine/append_hint_message/02/reference-output/po/test/strings.ini.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #. Please do not alter HTML tags and attributes unless you know what you are doing
diff --git a/t/data/engine/append_hint_message/03/reference-output/database/properties b/t/data/engine/append_hint_message/03/reference-output/database/properties
index dbf9f91f..59caf0f5 100644
--- a/t/data/engine/append_hint_message/03/reference-output/database/properties
+++ b/t/data/engine/append_hint_message/03/reference-output/database/properties
@@ -10,24 +10,24 @@ properties
     7     8 items:2 8,9,10,11,12,13,14
     8     9 ts:1:test:count 7
     9     10 usn:1:test 26
-    10    11 ts:1:test 6ff0e36699a3eb1ae0971b7765d7ac92
+    10    11 ts:1:test cf39fd7eea73c23885c380f321f1a09b
     11    12 ts:2:test:count 7
     12    13 usn:2:test 29
-    13    14 ts:2:test f9d7483e82238d3a19ca7a36b9791274
+    13    14 ts:2:test b70adc4c578a6c02314dab5027d213af
     14    15 target:1:test_job:test 8fee2f1c1a22f94775715f22617ac043
     15    16 target:mtime:1:test_job:test 12345678
     16    17 source:1:test_job:test d030501b7df107a2a9b9e879edfaef02
     17    18 source:ts:1:test_job:test
-          6ff0e36699a3eb1ae0971b7765d7ac92
+          cf39fd7eea73c23885c380f321f1a09b
     18    19 target:2:test_job:test 7648d22516b8f9be1712616298bdfe4c
     19    20 target:mtime:2:test_job:test 12345678
     20    21 source:2:test_job:test 803dcd40a5bd7ec36a941d836859db86
     21    22 source:ts:2:test_job:test
-          f9d7483e82238d3a19ca7a36b9791274
+          b70adc4c578a6c02314dab5027d213af
     22    23 job-hash:test_namespace:test_job
           aea501e91b7cbc3c2202fffcce0bf3bd
     23    24 job-plugin:test_namespace:test_job parse_android.
     24    25 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    25    26 job-engine:test_namespace:test_job 1.3.2
+    25    26 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/append_hint_message/03/reference-output/po/test/strings.xml.po b/t/data/engine/append_hint_message/03/reference-output/po/test/strings.xml.po
index f0d1df42..40c2658d 100644
--- a/t/data/engine/append_hint_message/03/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/append_hint_message/03/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/append_hint_message/03/reference-output/po/test/strings2.xml.po b/t/data/engine/append_hint_message/03/reference-output/po/test/strings2.xml.po
index 4e2079c6..8dbd1673 100644
--- a/t/data/engine/append_hint_message/03/reference-output/po/test/strings2.xml.po
+++ b/t/data/engine/append_hint_message/03/reference-output/po/test/strings2.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #. Special comment
diff --git a/t/data/engine/append_hint_message/04/reference-output/database/properties b/t/data/engine/append_hint_message/04/reference-output/database/properties
index 6bfc8f0f..2cf91b32 100644
--- a/t/data/engine/append_hint_message/04/reference-output/database/properties
+++ b/t/data/engine/append_hint_message/04/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7
     4     5 ts:1:test:count 7
     5     6 usn:1:test 18
-    6     7 ts:1:test 4b102f5cb04a0a7371dff02b6460901e
+    6     7 ts:1:test 27ccb1f37658a1026638d96d26ee2e63
     7     8 target:1:test_job:test 8fee2f1c1a22f94775715f22617ac043
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test d030501b7df107a2a9b9e879edfaef02
     10    11 source:ts:1:test_job:test
-          4b102f5cb04a0a7371dff02b6460901e
+          27ccb1f37658a1026638d96d26ee2e63
     11    12 job-hash:test_namespace:test_job
           312022e3c926b4185cdcdf743f2e8355
     12    13 job-plugin:test_namespace:test_job parse_android.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/append_hint_message/04/reference-output/po/test/strings.xml.po b/t/data/engine/append_hint_message/04/reference-output/po/test/strings.xml.po
index a8f1e55c..38589724 100644
--- a/t/data/engine/append_hint_message/04/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/append_hint_message/04/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #. First message
diff --git a/t/data/engine/append_hint_message/05/reference-output/database/properties b/t/data/engine/append_hint_message/05/reference-output/database/properties
index 370208ee..0fa22f45 100644
--- a/t/data/engine/append_hint_message/05/reference-output/database/properties
+++ b/t/data/engine/append_hint_message/05/reference-output/database/properties
@@ -10,24 +10,24 @@ properties
     7     8 items:2 8,9,10,11,12,13,14
     8     9 ts:1:test:count 7
     9     10 usn:1:test 26
-    10    11 ts:1:test dbf0607913bddf939a51fa0d963d40cd
+    10    11 ts:1:test 53f6b60d7622de4819522bee9558a606
     11    12 ts:2:test:count 7
     12    13 usn:2:test 29
-    13    14 ts:2:test 0fcd37e5a846df46406c4ec9acc64e5e
+    13    14 ts:2:test 4c0ced663c3f2b020ac9d6c7939a852b
     14    15 target:1:test_job:test aaaf5189ce379b1dfbdf33f82f30c79f
     15    16 target:mtime:1:test_job:test 12345678
     16    17 source:1:test_job:test 2252ed4435635b2844cb6984f557de01
     17    18 source:ts:1:test_job:test
-          dbf0607913bddf939a51fa0d963d40cd
+          53f6b60d7622de4819522bee9558a606
     18    19 target:2:test_job:test d9729237c4bada47f89387f2733b1020
     19    20 target:mtime:2:test_job:test 12345678
     20    21 source:2:test_job:test af69be2e2f8f80596aa18ced936870fd
     21    22 source:ts:2:test_job:test
-          0fcd37e5a846df46406c4ec9acc64e5e
+          4c0ced663c3f2b020ac9d6c7939a852b
     22    23 job-hash:test_namespace:test_job
           01a73dee99483a18d088b39fa95111cf
     23    24 job-plugin:test_namespace:test_job parse_android.
     24    25 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    25    26 job-engine:test_namespace:test_job 1.3.2
+    25    26 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/append_hint_message/05/reference-output/po/test/strings.xml.po b/t/data/engine/append_hint_message/05/reference-output/po/test/strings.xml.po
index 7a5624f1..f2e276c8 100644
--- a/t/data/engine/append_hint_message/05/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/append_hint_message/05/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #. Captured MYGLOBAL value: global param value
diff --git a/t/data/engine/append_hint_message/05/reference-output/po/test/strings2.xml.po b/t/data/engine/append_hint_message/05/reference-output/po/test/strings2.xml.po
index 503450ff..350065df 100644
--- a/t/data/engine/append_hint_message/05/reference-output/po/test/strings2.xml.po
+++ b/t/data/engine/append_hint_message/05/reference-output/po/test/strings2.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #. Captured MYGLOBAL value: global param value in strings2.xml
diff --git a/t/data/engine/apply_xslt/00/reference-output/database/properties b/t/data/engine/apply_xslt/00/reference-output/database/properties
index 68be1f86..1f99ad27 100644
--- a/t/data/engine/apply_xslt/00/reference-output/database/properties
+++ b/t/data/engine/apply_xslt/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2
     4     5 ts:1:test:count 2
     5     6 usn:1:test 6
-    6     7 ts:1:test fc058cf5b649d2f5c9765449c1b7dc0e
+    6     7 ts:1:test 028f6858d18863f54ac4cc30b61f4c1b
     7     8 target:1:test_job:test e48d6863a960bed47f113ca37dc49efd
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 68c6a2b395e6d8ce4f9a791d04a2b213
     10    11 source:ts:1:test_job:test
-          fc058cf5b649d2f5c9765449c1b7dc0e
+          028f6858d18863f54ac4cc30b61f4c1b
     11    12 job-hash:test_namespace:test_job
           d616a690639dcc0814d13106931d4aec
     12    13 job-plugin:test_namespace:test_job parse_android.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/apply_xslt/00/reference-output/po/test/strings.xml.po b/t/data/engine/apply_xslt/00/reference-output/po/test/strings.xml.po
index e23abe63..0048ae62 100644
--- a/t/data/engine/apply_xslt/00/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/apply_xslt/00/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string3
 #: File: strings.xml
diff --git a/t/data/engine/apply_xslt/01/reference-output/database/properties b/t/data/engine/apply_xslt/01/reference-output/database/properties
index bf025232..aacd261c 100644
--- a/t/data/engine/apply_xslt/01/reference-output/database/properties
+++ b/t/data/engine/apply_xslt/01/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7
     4     5 ts:1:test:count 7
     5     6 usn:1:test 18
-    6     7 ts:1:test 6ff0e36699a3eb1ae0971b7765d7ac92
+    6     7 ts:1:test cf39fd7eea73c23885c380f321f1a09b
     7     8 target:1:test_job:test 66e7f575655c53ac45f55d15be976a28
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test a324bc0a1b02dc43c70c5333c399bc91
     10    11 source:ts:1:test_job:test
-          6ff0e36699a3eb1ae0971b7765d7ac92
+          cf39fd7eea73c23885c380f321f1a09b
     11    12 job-hash:test_namespace:test_job
           b9cdc879fdebce524c7e15c122274a8a
     12    13 job-plugin:test_namespace:test_job parse_android.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/apply_xslt/01/reference-output/po/test/strings.xml.po b/t/data/engine/apply_xslt/01/reference-output/po/test/strings.xml.po
index f0d1df42..40c2658d 100644
--- a/t/data/engine/apply_xslt/01/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/apply_xslt/01/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/apply_xslt/02/reference-output/database/properties b/t/data/engine/apply_xslt/02/reference-output/database/properties
index 8539c9ff..ed12cc15 100644
--- a/t/data/engine/apply_xslt/02/reference-output/database/properties
+++ b/t/data/engine/apply_xslt/02/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7
     4     5 ts:1:test:count 7
     5     6 usn:1:test 18
-    6     7 ts:1:test 02715d0d040106366df4d7a15d854914
+    6     7 ts:1:test 9915c9b6d06c412edb050ba53ac6509d
     7     8 target:1:test_job:test 4e326e1d363e6ab368727d022be29af4
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 62bad5482329999bb2085ad82063820c
     10    11 source:ts:1:test_job:test
-          02715d0d040106366df4d7a15d854914
+          9915c9b6d06c412edb050ba53ac6509d
     11    12 job-hash:test_namespace:test_job
           054bebe933981954e09b8944047bbcb9
     12    13 job-plugin:test_namespace:test_job parse_android.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/apply_xslt/02/reference-output/po/test/strings.xml.po b/t/data/engine/apply_xslt/02/reference-output/po/test/strings.xml.po
index 33dbf06f..390f3e46 100644
--- a/t/data/engine/apply_xslt/02/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/apply_xslt/02/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/apply_xslt/03/reference-output/database/properties b/t/data/engine/apply_xslt/03/reference-output/database/properties
index a15ca7a6..ac315bf5 100644
--- a/t/data/engine/apply_xslt/03/reference-output/database/properties
+++ b/t/data/engine/apply_xslt/03/reference-output/database/properties
@@ -10,24 +10,24 @@ properties
     7     8 items:2 4,5,6,7
     8     9 ts:1:test:count 3
     9     10 usn:1:test 18
-    10    11 ts:1:test ac9df48f6079a8dd960a8ec7f51723ea
+    10    11 ts:1:test 63a963085b5d1b952cb80bb4db1e006b
     11    12 ts:2:test:count 4
     12    13 usn:2:test 19
-    13    14 ts:2:test 3123404a8f8ef4fd7ab20a6c865ae310
+    13    14 ts:2:test eabe875ae91a1a6fdfd7aa24aa143f11
     14    15 target:1:test_job:test 2c92b10a63608306b1047163a623cd9e
     15    16 target:mtime:1:test_job:test 12345678
     16    17 source:1:test_job:test dc077fcc9cca7b2a3a350952d54201fa
     17    18 source:ts:1:test_job:test
-          ac9df48f6079a8dd960a8ec7f51723ea
+          63a963085b5d1b952cb80bb4db1e006b
     18    19 target:2:test_job:test 46a58132ec35465e2f3430c6767ea354
     19    20 target:mtime:2:test_job:test 12345678
     20    21 source:2:test_job:test 438fa64398e5d33a34618ac32065950b
     21    22 source:ts:2:test_job:test
-          3123404a8f8ef4fd7ab20a6c865ae310
+          eabe875ae91a1a6fdfd7aa24aa143f11
     22    23 job-hash:test_namespace:test_job
           1ebf5fd39eae21e80e2117cdfebfaa0b
     23    24 job-plugin:test_namespace:test_job parse_android.
     24    25 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    25    26 job-engine:test_namespace:test_job 1.3.2
+    25    26 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/apply_xslt/03/reference-output/po/test/strings1.xml.po b/t/data/engine/apply_xslt/03/reference-output/po/test/strings1.xml.po
index 1700c21b..8605510b 100644
--- a/t/data/engine/apply_xslt/03/reference-output/po/test/strings1.xml.po
+++ b/t/data/engine/apply_xslt/03/reference-output/po/test/strings1.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings1.xml
diff --git a/t/data/engine/apply_xslt/03/reference-output/po/test/strings2.xml.po b/t/data/engine/apply_xslt/03/reference-output/po/test/strings2.xml.po
index a575fa7e..d6fa5f7e 100644
--- a/t/data/engine/apply_xslt/03/reference-output/po/test/strings2.xml.po
+++ b/t/data/engine/apply_xslt/03/reference-output/po/test/strings2.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string3
 #: File: strings2.xml
diff --git a/t/data/engine/apply_xslt/04/reference-output/database/properties b/t/data/engine/apply_xslt/04/reference-output/database/properties
index 2e38de3c..a7f3e35b 100644
--- a/t/data/engine/apply_xslt/04/reference-output/database/properties
+++ b/t/data/engine/apply_xslt/04/reference-output/database/properties
@@ -6,5 +6,5 @@ properties
     3    4 items:1 1,2,3
     4    5 ts:1:test:count 3
     5    6 usn:1:test 10
-    6    7 ts:1:test 1fce11969a808398094b27f2b022399f
+    6    7 ts:1:test 6c377279f08af641a3e0eb19d48ac71d
 }
diff --git a/t/data/engine/apply_xslt/04/reference-output/po/test/invalid_strings.xml.po b/t/data/engine/apply_xslt/04/reference-output/po/test/invalid_strings.xml.po
index 0eb4403b..68912de2 100644
--- a/t/data/engine/apply_xslt/04/reference-output/po/test/invalid_strings.xml.po
+++ b/t/data/engine/apply_xslt/04/reference-output/po/test/invalid_strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: invalid_strings.xml
diff --git a/t/data/engine/apply_xslt/05/reference-output/database/properties b/t/data/engine/apply_xslt/05/reference-output/database/properties
index a800493d..3ecdc616 100644
--- a/t/data/engine/apply_xslt/05/reference-output/database/properties
+++ b/t/data/engine/apply_xslt/05/reference-output/database/properties
@@ -6,5 +6,5 @@ properties
     3    4 items:1 1,2,3
     4    5 ts:1:test:count 3
     5    6 usn:1:test 10
-    6    7 ts:1:test a429c823492b02e12e9af68f97b33850
+    6    7 ts:1:test cbef2360b055fb87bd0e9e92fb37fabe
 }
diff --git a/t/data/engine/apply_xslt/05/reference-output/po/test/strings1.xml.po b/t/data/engine/apply_xslt/05/reference-output/po/test/strings1.xml.po
index 675f2c0e..e89df216 100644
--- a/t/data/engine/apply_xslt/05/reference-output/po/test/strings1.xml.po
+++ b/t/data/engine/apply_xslt/05/reference-output/po/test/strings1.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings1.xml
diff --git a/t/data/engine/apply_xslt/06-xliff-context-to-resname/reference-output/database/properties b/t/data/engine/apply_xslt/06-xliff-context-to-resname/reference-output/database/properties
index 30942c5b..0080f77b 100644
--- a/t/data/engine/apply_xslt/06-xliff-context-to-resname/reference-output/database/properties
+++ b/t/data/engine/apply_xslt/06-xliff-context-to-resname/reference-output/database/properties
@@ -16,5 +16,5 @@ properties
     12    13 job-plugin:test_namespace:test_job parse_chrome_json.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_xliff.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/apply_xslt/06/reference-output/database/properties b/t/data/engine/apply_xslt/06/reference-output/database/properties
index 96be11d4..51867c8e 100644
--- a/t/data/engine/apply_xslt/06/reference-output/database/properties
+++ b/t/data/engine/apply_xslt/06/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7
     4     5 ts:1:test:count 7
     5     6 usn:1:test 20
-    6     7 ts:1:test 0a54d8d85c563b88860f15ed950527a8
+    6     7 ts:1:test 840faec7e09be5ca39c1cf88aa88a905
     7     8 target:1:test_job:test ed4928e1c8ddcfb4dad147f5490023e8
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test d78df5ac8ac06c4c034722f2bc3742a5
     10    11 source:ts:1:test_job:test
-          0a54d8d85c563b88860f15ed950527a8
+          840faec7e09be5ca39c1cf88aa88a905
     11    12 job-hash:test_namespace:test_job
           f2d2fbf456b4dcb8278d4344f44974f0
     12    13 job-plugin:test_namespace:test_job parse_xml.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/apply_xslt/06/reference-output/po/test/strings.xml.po b/t/data/engine/apply_xslt/06/reference-output/po/test/strings.xml.po
index d4cbbbe3..5be6dab0 100644
--- a/t/data/engine/apply_xslt/06/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/apply_xslt/06/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. /item/name
 #: File: strings.xml
diff --git a/t/data/engine/apply_xslt/07-xliff-firstnote-to-resname/reference-output/database/properties b/t/data/engine/apply_xslt/07-xliff-firstnote-to-resname/reference-output/database/properties
index d1397ae6..2885a3b7 100644
--- a/t/data/engine/apply_xslt/07-xliff-firstnote-to-resname/reference-output/database/properties
+++ b/t/data/engine/apply_xslt/07-xliff-firstnote-to-resname/reference-output/database/properties
@@ -16,5 +16,5 @@ properties
     12    13 job-plugin:test_namespace:test_job parse_properties.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_xliff.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/apply_xslt/08-xliff-filter-untranslated/reference-output/database/properties b/t/data/engine/apply_xslt/08-xliff-filter-untranslated/reference-output/database/properties
index d5805654..3f4887a7 100644
--- a/t/data/engine/apply_xslt/08-xliff-filter-untranslated/reference-output/database/properties
+++ b/t/data/engine/apply_xslt/08-xliff-filter-untranslated/reference-output/database/properties
@@ -17,5 +17,5 @@ properties
     12    13 job-plugin:test_namespace:test_job parse_chrome_json.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_xliff.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/apply_xslt/09-xslt-params/reference-output/database/properties b/t/data/engine/apply_xslt/09-xslt-params/reference-output/database/properties
index c72be0ba..40016f64 100644
--- a/t/data/engine/apply_xslt/09-xslt-params/reference-output/database/properties
+++ b/t/data/engine/apply_xslt/09-xslt-params/reference-output/database/properties
@@ -10,24 +10,24 @@ properties
     7     8 items:2 5,6,7
     8     9 ts:1:test:count 4
     9     10 usn:1:test 19
-    10    11 ts:1:test db524e256690b8939492a17c27068bfe
+    10    11 ts:1:test 0a186047630c85de0051afadc39bcc62
     11    12 ts:2:test:count 3
     12    13 usn:2:test 16
-    13    14 ts:2:test 7c3c443d759caece01607de76f584df7
+    13    14 ts:2:test 57a2a0b2789f322f44aadee9ee1a9ed4
     14    15 target:1:test_job:test fe8f2b3388bd33a16245c8ed3dcd690b
     15    16 target:mtime:1:test_job:test 12345678
     16    17 source:1:test_job:test ccac4096bd690925a3c4e7d86150c8dd
     17    18 source:ts:1:test_job:test
-          db524e256690b8939492a17c27068bfe
+          0a186047630c85de0051afadc39bcc62
     18    19 target:2:test_job:test 519d6d2572205bb3a1296f057d044e6f
     19    20 target:mtime:2:test_job:test 12345678
     20    21 source:2:test_job:test 5973ebe79ea489cf060409d350af0412
     21    22 source:ts:2:test_job:test
-          7c3c443d759caece01607de76f584df7
+          57a2a0b2789f322f44aadee9ee1a9ed4
     22    23 job-hash:test_namespace:test_job
           78a0ccd573b5eb469a72abe2d3afcf41
     23    24 job-plugin:test_namespace:test_job parse_android.
     24    25 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    25    26 job-engine:test_namespace:test_job 1.3.2
+    25    26 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/apply_xslt/09-xslt-params/reference-output/po/test/strings.xml.po b/t/data/engine/apply_xslt/09-xslt-params/reference-output/po/test/strings.xml.po
index b981a4cb..5938141e 100644
--- a/t/data/engine/apply_xslt/09-xslt-params/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/apply_xslt/09-xslt-params/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/apply_xslt/09-xslt-params/reference-output/po/test/strings2.xml.po b/t/data/engine/apply_xslt/09-xslt-params/reference-output/po/test/strings2.xml.po
index bcbdf2c9..36836c3f 100644
--- a/t/data/engine/apply_xslt/09-xslt-params/reference-output/po/test/strings2.xml.po
+++ b/t/data/engine/apply_xslt/09-xslt-params/reference-output/po/test/strings2.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string5
 #: File: strings2.xml
diff --git a/t/data/engine/apply_xslt/10-xliff-unique-resname/reference-output/database/properties b/t/data/engine/apply_xslt/10-xliff-unique-resname/reference-output/database/properties
index 411a3c1d..9a6c0464 100644
--- a/t/data/engine/apply_xslt/10-xliff-unique-resname/reference-output/database/properties
+++ b/t/data/engine/apply_xslt/10-xliff-unique-resname/reference-output/database/properties
@@ -41,5 +41,5 @@ properties
     34    35 job-plugin:test_namespace:test_job parse_android.
     35    36 job-serializer-plugin:test_namespace:test_job
           serialize_xliff.
-    36    37 job-engine:test_namespace:test_job 1.3.2
+    36    37 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/completeness/00/reference-output/database/properties b/t/data/engine/completeness/00/reference-output/database/properties
index d53ff97b..68d977f2 100644
--- a/t/data/engine/completeness/00/reference-output/database/properties
+++ b/t/data/engine/completeness/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2
     4     5 ts:1:test:count 2
     5     6 usn:1:test 7
-    6     7 ts:1:test 8b12a0b491dd6e80ba034adc5691d463
+    6     7 ts:1:test 59bdf44adbaba5109f0878f486a6eeaa
     7     8 target:1:test_job:test 2b3ea617527233d88c7d5fb11b0ec5c8
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 6cc2261e4897ec4e4ab21f99d8a0fbd2
     10    11 source:ts:1:test_job:test
-          8b12a0b491dd6e80ba034adc5691d463
+          59bdf44adbaba5109f0878f486a6eeaa
     11    12 job-hash:test_namespace:test_job
           e335ddc8a2d58847c21b0b7e82d8f712
     12    13 job-plugin:test_namespace:test_job parse_android.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/completeness/00/reference-output/po/test/strings.xml.po b/t/data/engine/completeness/00/reference-output/po/test/strings.xml.po
index 525a5b47..68e00459 100644
--- a/t/data/engine/completeness/00/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/completeness/00/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/completeness/01/reference-output/database/properties b/t/data/engine/completeness/01/reference-output/database/properties
index 6c185408..c605d3c2 100644
--- a/t/data/engine/completeness/01/reference-output/database/properties
+++ b/t/data/engine/completeness/01/reference-output/database/properties
@@ -6,11 +6,11 @@ properties
     3     4 items:1 1,2
     4     5 ts:1:test:count 2
     5     6 usn:1:test 5
-    6     7 ts:1:test 31b5264528ad6b73273e30da55c3a529
+    6     7 ts:1:test f26fcd07ec7b9118082966a4ddc3f5cd
     7     8 job-hash:test_namespace:test_job
           952c12589d281ffaf54ca886f56f4926
     8     9 job-plugin:test_namespace:test_job parse_android.
     9     10 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    10    11 job-engine:test_namespace:test_job 1.3.2
+    10    11 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/completeness/01/reference-output/po/test/strings.xml.po b/t/data/engine/completeness/01/reference-output/po/test/strings.xml.po
index 709fc5a6..0ea48311 100644
--- a/t/data/engine/completeness/01/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/completeness/01/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/completeness/02/reference-output/database/properties b/t/data/engine/completeness/02/reference-output/database/properties
index 398836a2..8c1a5425 100644
--- a/t/data/engine/completeness/02/reference-output/database/properties
+++ b/t/data/engine/completeness/02/reference-output/database/properties
@@ -22,43 +22,43 @@ properties
     19    20 items:5 18,19,20,21,22,23,24
     20    21 ts:1:test:count 2
     21    22 usn:1:test 38
-    22    23 ts:1:test 993ee1ee27d8aa143167a1d44352afd8
+    22    23 ts:1:test 29269ae3b0d2a03978df36b236d8d64f
     23    24 ts:2:test:count 4
     24    25 usn:2:test 41
-    25    26 ts:2:test 43b2623caa1782e48fe467009ee1d489
+    25    26 ts:2:test 5638e9978a852048717fdae5aab00c1a
     26    27 ts:3:test:count 5
     27    28 usn:3:test 44
-    28    29 ts:3:test 7f019d1d611b4c05b852fa5e656cad1a
+    28    29 ts:3:test 6d30d30d25e5a7571ef0e189d90ab1e4
     29    30 ts:4:test:count 6
     30    31 usn:4:test 47
-    31    32 ts:4:test 3536288fad403486c95a19d6e6c5e92e
+    31    32 ts:4:test 05b16ba4039497524c84bd4122ceae91
     32    33 ts:5:test:count 7
     33    34 usn:5:test 50
-    34    35 ts:5:test 3142cee67c38f67f369a9eb0ba87cb78
+    34    35 ts:5:test 196918d853730790a3a192b30fa0748b
     35    36 target:1:test_job:test 2301fb77b7228208a5b2303233a620d2
     36    37 target:mtime:1:test_job:test 12345678
     37    38 source:1:test_job:test 898ebccac8f9d4aab10e992ed7768008
     38    39 source:ts:1:test_job:test
-          993ee1ee27d8aa143167a1d44352afd8
+          29269ae3b0d2a03978df36b236d8d64f
     39    40 target:2:test_job:test 83cb473fbd0dcfff1428c548fd0d9707
     40    41 target:mtime:2:test_job:test 12345678
     41    42 source:2:test_job:test 9d9eaac0ba92c683c562dd130950c5de
     42    43 source:ts:2:test_job:test
-          43b2623caa1782e48fe467009ee1d489
+          5638e9978a852048717fdae5aab00c1a
     43    44 target:3:test_job:test 8b66d383e412badcca184424299bd7b3
     44    45 target:mtime:3:test_job:test 12345678
     45    46 source:3:test_job:test b86b6c4b45f82e4fa774e7ddb31be911
     46    47 source:ts:3:test_job:test
-          7f019d1d611b4c05b852fa5e656cad1a
+          6d30d30d25e5a7571ef0e189d90ab1e4
     47    48 target:4:test_job:test aa0ee433b8a5747cece33b9f3d156f32
     48    49 target:mtime:4:test_job:test 12345678
     49    50 source:4:test_job:test 494ad2c162d9567be34ad185ba8272dd
     50    51 source:ts:4:test_job:test
-          3536288fad403486c95a19d6e6c5e92e
+          05b16ba4039497524c84bd4122ceae91
     51    52 job-hash:test_namespace:test_job
           d1e66e309f7702c910d4d4db86d7fc6f
     52    53 job-plugin:test_namespace:test_job parse_android.
     53    54 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    54    55 job-engine:test_namespace:test_job 1.3.2
+    54    55 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/completeness/02/reference-output/po/test/strings1.xml.po b/t/data/engine/completeness/02/reference-output/po/test/strings1.xml.po
index 9dc7e58a..61cac99d 100644
--- a/t/data/engine/completeness/02/reference-output/po/test/strings1.xml.po
+++ b/t/data/engine/completeness/02/reference-output/po/test/strings1.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings1.xml
diff --git a/t/data/engine/completeness/02/reference-output/po/test/strings2.xml.po b/t/data/engine/completeness/02/reference-output/po/test/strings2.xml.po
index f054ae38..4f093747 100644
--- a/t/data/engine/completeness/02/reference-output/po/test/strings2.xml.po
+++ b/t/data/engine/completeness/02/reference-output/po/test/strings2.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings2.xml
diff --git a/t/data/engine/completeness/02/reference-output/po/test/strings3.xml.po b/t/data/engine/completeness/02/reference-output/po/test/strings3.xml.po
index 5fdbaeae..3d9d493e 100644
--- a/t/data/engine/completeness/02/reference-output/po/test/strings3.xml.po
+++ b/t/data/engine/completeness/02/reference-output/po/test/strings3.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings3.xml
diff --git a/t/data/engine/completeness/02/reference-output/po/test/strings4.xml.po b/t/data/engine/completeness/02/reference-output/po/test/strings4.xml.po
index 76f723c7..c87ac698 100644
--- a/t/data/engine/completeness/02/reference-output/po/test/strings4.xml.po
+++ b/t/data/engine/completeness/02/reference-output/po/test/strings4.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings4.xml
diff --git a/t/data/engine/completeness/02/reference-output/po/test/strings5.xml.po b/t/data/engine/completeness/02/reference-output/po/test/strings5.xml.po
index 8d069787..913712e5 100644
--- a/t/data/engine/completeness/02/reference-output/po/test/strings5.xml.po
+++ b/t/data/engine/completeness/02/reference-output/po/test/strings5.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings5.xml
diff --git a/t/data/engine/completeness/03/reference-output/database/properties b/t/data/engine/completeness/03/reference-output/database/properties
index 9c7b5a59..d264697f 100644
--- a/t/data/engine/completeness/03/reference-output/database/properties
+++ b/t/data/engine/completeness/03/reference-output/database/properties
@@ -18,35 +18,35 @@ properties
     15    16 items:4 7,8,9,10
     16    17 ts:1:test:count 2
     17    18 usn:1:test 20
-    18    19 ts:1:test 114965fb4fa7abf7e1d95a970e302b2b
+    18    19 ts:1:test 046bbe39a77f8984e4d8204157e4f571
     19    20 ts:2:test:count 0
     20    21 usn:2:test 9
-    21    22 ts:2:test 327466c64e1d1e202c7ecd20ce02bd60
+    21    22 ts:2:test bbb1fb87506106a98e7d21e72d871ecd
     22    23 ts:3:test:count 2
     23    24 usn:3:test 22
-    24    25 ts:3:test 03b1b3835efe0fceeb155e12efe30e3e
+    24    25 ts:3:test 40cf24d3b2719b5a8b1dd86de2586cdc
     25    26 ts:4:test:count 3
     26    27 usn:4:test 24
-    27    28 ts:4:test 2af554fccc1aa21841e38e3965467ca9
+    27    28 ts:4:test 2a70d0e5ad38ef698b91fe7e1b8f3cec
     28    29 target:1:test_job:test 6ca876987ebacdc9088bebb6432e3b61
     29    30 target:mtime:1:test_job:test 12345678
     30    31 source:1:test_job:test 00a75d6b5a07969896d56209c0b41e1c
     31    32 source:ts:1:test_job:test
-          114965fb4fa7abf7e1d95a970e302b2b
+          046bbe39a77f8984e4d8204157e4f571
     32    33 target:2:test_job:test 226c8cddf0269cd6cd1645e67e83f9fd
     33    34 target:mtime:2:test_job:test 12345678
     34    35 source:2:test_job:test 226c8cddf0269cd6cd1645e67e83f9fd
     35    36 source:ts:2:test_job:test
-          327466c64e1d1e202c7ecd20ce02bd60
+          bbb1fb87506106a98e7d21e72d871ecd
     36    37 target:3:test_job:test abd05890bf1f0f9176b54d3db702dbe3
     37    38 target:mtime:3:test_job:test 12345678
     38    39 source:3:test_job:test 84b58abc2de9febe06951786da6cea92
     39    40 source:ts:3:test_job:test
-          03b1b3835efe0fceeb155e12efe30e3e
+          40cf24d3b2719b5a8b1dd86de2586cdc
     40    41 job-hash:test_namespace:test_job
           1a52babb11280a2e28470fc0f142518e
     41    42 job-plugin:test_namespace:test_job parse_android.
     42    43 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    43    44 job-engine:test_namespace:test_job 1.3.2
+    43    44 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/completeness/03/reference-output/po/test/strings1.xml.po b/t/data/engine/completeness/03/reference-output/po/test/strings1.xml.po
index b80bcaa7..01f3543e 100644
--- a/t/data/engine/completeness/03/reference-output/po/test/strings1.xml.po
+++ b/t/data/engine/completeness/03/reference-output/po/test/strings1.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. foo
 #: File: strings1.xml
diff --git a/t/data/engine/completeness/03/reference-output/po/test/strings2.xml.po b/t/data/engine/completeness/03/reference-output/po/test/strings2.xml.po
index 0e158100..3c2943a9 100644
--- a/t/data/engine/completeness/03/reference-output/po/test/strings2.xml.po
+++ b/t/data/engine/completeness/03/reference-output/po/test/strings2.xml.po
@@ -3,4 +3,4 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
diff --git a/t/data/engine/completeness/03/reference-output/po/test/strings3.xml.po b/t/data/engine/completeness/03/reference-output/po/test/strings3.xml.po
index 5a0641d1..73fc155a 100644
--- a/t/data/engine/completeness/03/reference-output/po/test/strings3.xml.po
+++ b/t/data/engine/completeness/03/reference-output/po/test/strings3.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. foo
 #: File: strings3.xml
diff --git a/t/data/engine/completeness/03/reference-output/po/test/strings4.xml.po b/t/data/engine/completeness/03/reference-output/po/test/strings4.xml.po
index 6cfbad4d..b6c02968 100644
--- a/t/data/engine/completeness/03/reference-output/po/test/strings4.xml.po
+++ b/t/data/engine/completeness/03/reference-output/po/test/strings4.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. foo
 #: File: strings4.xml
diff --git a/t/data/engine/completeness/04/reference-output/database/properties b/t/data/engine/completeness/04/reference-output/database/properties
index 926906d8..181d74a4 100644
--- a/t/data/engine/completeness/04/reference-output/database/properties
+++ b/t/data/engine/completeness/04/reference-output/database/properties
@@ -6,28 +6,28 @@ properties
     3     4 items:1 1,2
     4     5 ts:1:de:count 2
     5     6 usn:1:de 5
-    6     7 ts:1:de 9739fbcbb40c990a023fa9fac2f53a33
+    6     7 ts:1:de 73c4a4ded320fdd92a9f2c25701dfe02
     7     8 ts:1:es:count 2
     8     9 usn:1:es 5
-    9     10 ts:1:es 8d9451418fb7b52d50f357982a08c166
+    9     10 ts:1:es afdaf0a7c769db0cbd1e93e2e645c5bb
     10    11 ts:1:it:count 2
     11    12 usn:1:it 5
-    12    13 ts:1:it 4c0a3d26661e57a46fa24a9d4dcb69d0
+    12    13 ts:1:it 3228eeeba744e994f6c12846177f5fe1
     13    14 ts:1:ru:count 2
     14    15 usn:1:ru 5
-    15    16 ts:1:ru 774d480d83117ad28cc680914dd46335
+    15    16 ts:1:ru 997d52e708070f4b56befc6c20705746
     16    17 target:1:test_job:es 6cc2261e4897ec4e4ab21f99d8a0fbd2
     17    18 target:mtime:1:test_job:es 12345678
     18    19 source:1:test_job:es 6cc2261e4897ec4e4ab21f99d8a0fbd2
-    19    20 source:ts:1:test_job:es 8d9451418fb7b52d50f357982a08c166
+    19    20 source:ts:1:test_job:es afdaf0a7c769db0cbd1e93e2e645c5bb
     20    21 target:1:test_job:ru 6cc2261e4897ec4e4ab21f99d8a0fbd2
     21    22 target:mtime:1:test_job:ru 12345678
     22    23 source:1:test_job:ru 6cc2261e4897ec4e4ab21f99d8a0fbd2
-    23    24 source:ts:1:test_job:ru 774d480d83117ad28cc680914dd46335
+    23    24 source:ts:1:test_job:ru 997d52e708070f4b56befc6c20705746
     24    25 job-hash:test_namespace:test_job
           a7fbc3a4c939fa813d568fc64b6b9d19
     25    26 job-plugin:test_namespace:test_job parse_android.
     26    27 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    27    28 job-engine:test_namespace:test_job 1.3.2
+    27    28 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/completeness/04/reference-output/po/de/strings.xml.po b/t/data/engine/completeness/04/reference-output/po/de/strings.xml.po
index a11e5ed3..08ff41f9 100644
--- a/t/data/engine/completeness/04/reference-output/po/de/strings.xml.po
+++ b/t/data/engine/completeness/04/reference-output/po/de/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: de\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/completeness/04/reference-output/po/es/strings.xml.po b/t/data/engine/completeness/04/reference-output/po/es/strings.xml.po
index f767e8d1..c36a5091 100644
--- a/t/data/engine/completeness/04/reference-output/po/es/strings.xml.po
+++ b/t/data/engine/completeness/04/reference-output/po/es/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: es\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/completeness/04/reference-output/po/it/strings.xml.po b/t/data/engine/completeness/04/reference-output/po/it/strings.xml.po
index 420b3f11..11f95b88 100644
--- a/t/data/engine/completeness/04/reference-output/po/it/strings.xml.po
+++ b/t/data/engine/completeness/04/reference-output/po/it/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: it\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/completeness/04/reference-output/po/ru/strings.xml.po b/t/data/engine/completeness/04/reference-output/po/ru/strings.xml.po
index 13362260..fa2a89dd 100644
--- a/t/data/engine/completeness/04/reference-output/po/ru/strings.xml.po
+++ b/t/data/engine/completeness/04/reference-output/po/ru/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: ru\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/feature_branch/00/reference-output/database/properties b/t/data/engine/feature_branch/00/reference-output/database/properties
index d11c6168..08ff9908 100644
--- a/t/data/engine/feature_branch/00/reference-output/database/properties
+++ b/t/data/engine/feature_branch/00/reference-output/database/properties
@@ -6,60 +6,60 @@ properties
     3     4 items:1 1,2,3,4,5
     4     5 ts:1:test:count 5
     5     6 usn:1:test 16
-    6     7 ts:1:test 2ddfd130d150ffb84988c0f679278740
+    6     7 ts:1:test 7537c8703a16a034a033cf6a7992f9dd
     7     8 target:1:test_job.master:test
           7e53bc91c1bf363fef197e6241c15f30
     8     9 target:mtime:1:test_job.master:test 12345678
     9     10 source:1:test_job.master:test
           5142379e4be5eddbd653db0750513457
     10    11 source:ts:1:test_job.master:test
-          2ddfd130d150ffb84988c0f679278740
+          7537c8703a16a034a033cf6a7992f9dd
     11    12 job-hash:test_namespace:test_job.master
           101680447a2f0667f875179c842bc296
     12    13 job-plugin:test_namespace:test_job.master parse_keyvalue.
     13    14 job-serializer-plugin:test_namespace:test_job.master
           serialize_po.
-    14    15 job-engine:test_namespace:test_job.master 1.3.2
+    14    15 job-engine:test_namespace:test_job.master 1.4
     15    16 source:2 ba6ac8bc9b978634dc861fc654e13a43
     16    17 hash:2 ba6ac8bc9b978634dc861fc654e13a43
     17    18 size:2 119
     18    19 items:2 6,7,8
     19    20 ts:2:test:count 3
     20    21 usn:2:test 26
-    21    22 ts:2:test e06e1b01b5a95654e13bb0a87ae21b08
+    21    22 ts:2:test 1bd518bd878076d87bf1fc86dc2b26c6
     22    23 target:2:test_job.feature1:test
           baef213983e05d9d7d2fcd36ed4ed93b
     23    24 target:mtime:2:test_job.feature1:test 12345678
     24    25 source:2:test_job.feature1:test
           ba6ac8bc9b978634dc861fc654e13a43
     25    26 source:ts:2:test_job.feature1:test
-          e06e1b01b5a95654e13bb0a87ae21b08
+          1bd518bd878076d87bf1fc86dc2b26c6
     26    27 job-hash:test_namespace:test_job.feature1
           2e7d9c998cff60c372655f124b0390a2
     27    28 job-plugin:test_namespace:test_job.feature1
           parse_keyvalue.
     28    29 job-serializer-plugin:test_namespace:test_job.feature1
           serialize_po.
-    29    30 job-engine:test_namespace:test_job.feature1 1.3.2
+    29    30 job-engine:test_namespace:test_job.feature1 1.4
     30    31 source:3 8c2ecd04833cca4feb265a89d4882f36
     31    32 hash:3 8c2ecd04833cca4feb265a89d4882f36
     32    33 size:3 32
     33    34 items:3 9,10
     34    35 ts:3:test:count 2
     35    36 usn:3:test 33
-    36    37 ts:3:test ea87635ff4189483737a8badeceb4204
+    36    37 ts:3:test 0241ce21fe2aa19f1b9d4880f452f61d
     37    38 target:3:test_job.feature2:test
           82a1e5d1568d2764492609ace49d695d
     38    39 target:mtime:3:test_job.feature2:test 12345678
     39    40 source:3:test_job.feature2:test
           8c2ecd04833cca4feb265a89d4882f36
     40    41 source:ts:3:test_job.feature2:test
-          ea87635ff4189483737a8badeceb4204
+          0241ce21fe2aa19f1b9d4880f452f61d
     41    42 job-hash:test_namespace:test_job.feature2
           1788c1996e523e186a37aea253476c46
     42    43 job-plugin:test_namespace:test_job.feature2
           parse_keyvalue.
     43    44 job-serializer-plugin:test_namespace:test_job.feature2
           serialize_po.
-    44    45 job-engine:test_namespace:test_job.feature2 1.3.2
+    44    45 job-engine:test_namespace:test_job.feature2 1.4
 }
diff --git a/t/data/engine/feature_branch/00/reference-output/po/test/feature1/strings.ini.po b/t/data/engine/feature_branch/00/reference-output/po/test/feature1/strings.ini.po
index 124b5025..66c15409 100644
--- a/t/data/engine/feature_branch/00/reference-output/po/test/feature1/strings.ini.po
+++ b/t/data/engine/feature_branch/00/reference-output/po/test/feature1/strings.ini.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string5
 #: File: feature1/strings.ini
diff --git a/t/data/engine/feature_branch/00/reference-output/po/test/feature2/strings.ini.po b/t/data/engine/feature_branch/00/reference-output/po/test/feature2/strings.ini.po
index 0249fdcb..07f06cc4 100644
--- a/t/data/engine/feature_branch/00/reference-output/po/test/feature2/strings.ini.po
+++ b/t/data/engine/feature_branch/00/reference-output/po/test/feature2/strings.ini.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string6
 #: File: feature2/strings.ini
diff --git a/t/data/engine/feature_branch/00/reference-output/po/test/strings.ini.po b/t/data/engine/feature_branch/00/reference-output/po/test/strings.ini.po
index c5fd6d03..32fcd433 100644
--- a/t/data/engine/feature_branch/00/reference-output/po/test/strings.ini.po
+++ b/t/data/engine/feature_branch/00/reference-output/po/test/strings.ini.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.ini
diff --git a/t/data/engine/feature_branch/01-dont-use-keys-as-context/reference-output/database/properties b/t/data/engine/feature_branch/01-dont-use-keys-as-context/reference-output/database/properties
index f5d22448..ce4a7905 100644
--- a/t/data/engine/feature_branch/01-dont-use-keys-as-context/reference-output/database/properties
+++ b/t/data/engine/feature_branch/01-dont-use-keys-as-context/reference-output/database/properties
@@ -6,39 +6,39 @@ properties
     3     4 items:1 1,2
     4     5 ts:1:test:count 2
     5     6 usn:1:test 7
-    6     7 ts:1:test 78ef34e963474936a92ed5894f3f77ed
+    6     7 ts:1:test 280fbe8f470930694ebc01d89be238a0
     7     8 target:1:test_job.master:test
           745ab09bc775f5d4698d0ebb5e8e9f2a
     8     9 target:mtime:1:test_job.master:test 12345678
     9     10 source:1:test_job.master:test
           5b9aca4d3c50d6a78e64a1a174706159
     10    11 source:ts:1:test_job.master:test
-          78ef34e963474936a92ed5894f3f77ed
+          280fbe8f470930694ebc01d89be238a0
     11    12 job-hash:test_namespace:test_job.master
           101680447a2f0667f875179c842bc296
     12    13 job-plugin:test_namespace:test_job.master parse_keyvalue.
     13    14 job-serializer-plugin:test_namespace:test_job.master
           serialize_po.
-    14    15 job-engine:test_namespace:test_job.master 1.3.2
+    14    15 job-engine:test_namespace:test_job.master 1.4
     15    16 source:2 b1980d771cb73f4e7c5b339d53f7f00b
     16    17 hash:2 b1980d771cb73f4e7c5b339d53f7f00b
     17    18 size:2 27
     18    19 items:2 3,4
     19    20 ts:2:test:count 2
     20    21 usn:2:test 13
-    21    22 ts:2:test 6653cc0e10fa61bfcd4d1683e8b4a672
+    21    22 ts:2:test 2da5f6b46b81be5054f3af966c4cf219
     22    23 target:2:test_job.feature1:test
           ada57d5b7982a0806ab74c1fc8ca9d89
     23    24 target:mtime:2:test_job.feature1:test 12345678
     24    25 source:2:test_job.feature1:test
           b1980d771cb73f4e7c5b339d53f7f00b
     25    26 source:ts:2:test_job.feature1:test
-          6653cc0e10fa61bfcd4d1683e8b4a672
+          2da5f6b46b81be5054f3af966c4cf219
     26    27 job-hash:test_namespace:test_job.feature1
           2e7d9c998cff60c372655f124b0390a2
     27    28 job-plugin:test_namespace:test_job.feature1
           parse_keyvalue.
     28    29 job-serializer-plugin:test_namespace:test_job.feature1
           serialize_po.
-    29    30 job-engine:test_namespace:test_job.feature1 1.3.2
+    29    30 job-engine:test_namespace:test_job.feature1 1.4
 }
diff --git a/t/data/engine/feature_branch/01-dont-use-keys-as-context/reference-output/po/test/feature1/strings.ini.po b/t/data/engine/feature_branch/01-dont-use-keys-as-context/reference-output/po/test/feature1/strings.ini.po
index 918094c9..9865da07 100644
--- a/t/data/engine/feature_branch/01-dont-use-keys-as-context/reference-output/po/test/feature1/strings.ini.po
+++ b/t/data/engine/feature_branch/01-dont-use-keys-as-context/reference-output/po/test/feature1/strings.ini.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. key0
 #: File: feature1/strings.ini
diff --git a/t/data/engine/feature_branch/01-dont-use-keys-as-context/reference-output/po/test/strings.ini.po b/t/data/engine/feature_branch/01-dont-use-keys-as-context/reference-output/po/test/strings.ini.po
index 722f66cb..955cf64a 100644
--- a/t/data/engine/feature_branch/01-dont-use-keys-as-context/reference-output/po/test/strings.ini.po
+++ b/t/data/engine/feature_branch/01-dont-use-keys-as-context/reference-output/po/test/strings.ini.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. key1
 #: File: strings.ini
diff --git a/t/data/engine/feature_branch/02-use-keys-as-context/reference-output/database/properties b/t/data/engine/feature_branch/02-use-keys-as-context/reference-output/database/properties
index 8dc8c82b..e450cbfc 100644
--- a/t/data/engine/feature_branch/02-use-keys-as-context/reference-output/database/properties
+++ b/t/data/engine/feature_branch/02-use-keys-as-context/reference-output/database/properties
@@ -6,39 +6,39 @@ properties
     3     4 items:1 1,2
     4     5 ts:1:test:count 2
     5     6 usn:1:test 7
-    6     7 ts:1:test e33b98515b2bf482638bed63f679fa40
+    6     7 ts:1:test db88a28d048428553637471556c999d3
     7     8 target:1:test_job.master:test
           745ab09bc775f5d4698d0ebb5e8e9f2a
     8     9 target:mtime:1:test_job.master:test 12345678
     9     10 source:1:test_job.master:test
           5b9aca4d3c50d6a78e64a1a174706159
     10    11 source:ts:1:test_job.master:test
-          e33b98515b2bf482638bed63f679fa40
+          db88a28d048428553637471556c999d3
     11    12 job-hash:test_namespace:test_job.master
           9c5438db01c139bcae8139b89e900f18
     12    13 job-plugin:test_namespace:test_job.master parse_keyvalue.
     13    14 job-serializer-plugin:test_namespace:test_job.master
           serialize_po.
-    14    15 job-engine:test_namespace:test_job.master 1.3.2
+    14    15 job-engine:test_namespace:test_job.master 1.4
     15    16 source:2 b1980d771cb73f4e7c5b339d53f7f00b
     16    17 hash:2 b1980d771cb73f4e7c5b339d53f7f00b
     17    18 size:2 27
     18    19 items:2 3
     19    20 ts:2:test:count 1
     20    21 usn:2:test 11
-    21    22 ts:2:test c35ff05da271adceae4240dc1353dccb
+    21    22 ts:2:test c014ab8bfe973b9c4a1c860a94d25b1c
     22    23 target:2:test_job.feature1:test
           ada57d5b7982a0806ab74c1fc8ca9d89
     23    24 target:mtime:2:test_job.feature1:test 12345678
     24    25 source:2:test_job.feature1:test
           b1980d771cb73f4e7c5b339d53f7f00b
     25    26 source:ts:2:test_job.feature1:test
-          c35ff05da271adceae4240dc1353dccb
+          c014ab8bfe973b9c4a1c860a94d25b1c
     26    27 job-hash:test_namespace:test_job.feature1
           67d4dfc0854662baaa2f15ef389d52c8
     27    28 job-plugin:test_namespace:test_job.feature1
           parse_keyvalue.
     28    29 job-serializer-plugin:test_namespace:test_job.feature1
           serialize_po.
-    29    30 job-engine:test_namespace:test_job.feature1 1.3.2
+    29    30 job-engine:test_namespace:test_job.feature1 1.4
 }
diff --git a/t/data/engine/feature_branch/02-use-keys-as-context/reference-output/po/test/feature1/strings.ini.po b/t/data/engine/feature_branch/02-use-keys-as-context/reference-output/po/test/feature1/strings.ini.po
index 50b28206..a9e10d26 100644
--- a/t/data/engine/feature_branch/02-use-keys-as-context/reference-output/po/test/feature1/strings.ini.po
+++ b/t/data/engine/feature_branch/02-use-keys-as-context/reference-output/po/test/feature1/strings.ini.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. key0
 #: File: feature1/strings.ini
diff --git a/t/data/engine/feature_branch/02-use-keys-as-context/reference-output/po/test/strings.ini.po b/t/data/engine/feature_branch/02-use-keys-as-context/reference-output/po/test/strings.ini.po
index e20045e6..abc6a4a7 100644
--- a/t/data/engine/feature_branch/02-use-keys-as-context/reference-output/po/test/strings.ini.po
+++ b/t/data/engine/feature_branch/02-use-keys-as-context/reference-output/po/test/strings.ini.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. key1
 #: File: strings.ini
diff --git a/t/data/engine/issues/5/reference-output/database/properties b/t/data/engine/issues/5/reference-output/database/properties
index 4d288ac5..8bd4bbc8 100644
--- a/t/data/engine/issues/5/reference-output/database/properties
+++ b/t/data/engine/issues/5/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1
     4     5 ts:1:ru-RU:count 1
     5     6 usn:1:ru-RU 4
-    6     7 ts:1:ru-RU 48c2cfb9cfe3f3f159688b5f5b565453
+    6     7 ts:1:ru-RU 4f5931116bcf1bc013363ccc9f780399
     7     8 target:1:test_job:ru-RU bdfae55f23502626e7e7462b2031a2ea
     8     9 target:mtime:1:test_job:ru-RU 12345678
     9     10 source:1:test_job:ru-RU 4a8563519efd639fef7e4a0e571526af
     10    11 source:ts:1:test_job:ru-RU
-          48c2cfb9cfe3f3f159688b5f5b565453
+          4f5931116bcf1bc013363ccc9f780399
     11    12 job-hash:test_namespace:test_job
           d083d54c9d368d1dba29a3f0ff264aca
     12    13 job-plugin:test_namespace:test_job parse_keyvalue.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/issues/5/reference-output/po/ru_RU/strings.txt.po b/t/data/engine/issues/5/reference-output/po/ru_RU/strings.txt.po
index 28db6b03..2a2bff88 100644
--- a/t/data/engine/issues/5/reference-output/po/ru_RU/strings.txt.po
+++ b/t/data/engine/issues/5/reference-output/po/ru_RU/strings.txt.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: ru_RU\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. foo
 #: File: strings.txt
diff --git a/t/data/engine/keys_language/00/reference-output/database/properties b/t/data/engine/keys_language/00/reference-output/database/properties
index f4701e68..8e1c6970 100644
--- a/t/data/engine/keys_language/00/reference-output/database/properties
+++ b/t/data/engine/keys_language/00/reference-output/database/properties
@@ -13,5 +13,5 @@ properties
     8     9 job-plugin:test_namespace:test_job parse_keyvalue.
     9     10 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    10    11 job-engine:test_namespace:test_job 1.3.2
+    10    11 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/keys_language/01/reference-output/database/properties b/t/data/engine/keys_language/01/reference-output/database/properties
index d218b971..89cd739c 100644
--- a/t/data/engine/keys_language/01/reference-output/database/properties
+++ b/t/data/engine/keys_language/01/reference-output/database/properties
@@ -13,5 +13,5 @@ properties
     8     9 job-plugin:test_namespace:test_job parse_keyvalue.
     9     10 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    10    11 job-engine:test_namespace:test_job 1.3.2
+    10    11 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/keys_language/02/reference-output/database/properties b/t/data/engine/keys_language/02/reference-output/database/properties
index e9cefb13..cd3fcf2d 100644
--- a/t/data/engine/keys_language/02/reference-output/database/properties
+++ b/t/data/engine/keys_language/02/reference-output/database/properties
@@ -13,5 +13,5 @@ properties
     8     9 job-plugin:test_namespace:test_job parse_keyvalue.
     9     10 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    10    11 job-engine:test_namespace:test_job 1.3.2
+    10    11 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/keys_language/03/reference-output/database/properties b/t/data/engine/keys_language/03/reference-output/database/properties
index 9242b7a3..f651b303 100644
--- a/t/data/engine/keys_language/03/reference-output/database/properties
+++ b/t/data/engine/keys_language/03/reference-output/database/properties
@@ -13,5 +13,5 @@ properties
     8     9 job-plugin:test_namespace:test_job parse_keyvalue.
     9     10 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    10    11 job-engine:test_namespace:test_job 1.3.2
+    10    11 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/limit_languages/00/reference-output/database/properties b/t/data/engine/limit_languages/00/reference-output/database/properties
index 036296e5..e65cada2 100644
--- a/t/data/engine/limit_languages/00/reference-output/database/properties
+++ b/t/data/engine/limit_languages/00/reference-output/database/properties
@@ -14,66 +14,66 @@ properties
     11    12 items:3 3
     12    13 ts:1:de:count 1
     13    14 usn:1:de 3
-    14    15 ts:1:de bdfe9a7e81dbe6bef768a8d82f6fb9a5
+    14    15 ts:1:de 88c42fc95337230d482dc9d5ec3d3f36
     15    16 ts:1:es:count 1
     16    17 usn:1:es 3
-    17    18 ts:1:es 808abc769840c1e689d0638f1c9c9d0b
+    17    18 ts:1:es 58e6043f8e086b8e9abad8d34e5278c2
     18    19 ts:1:fr:count 1
     19    20 usn:1:fr 3
-    20    21 ts:1:fr 9129c4d9d631aef8c2d09696c297d406
+    20    21 ts:1:fr 1c046afc2cc6700e38d012f5fc47986c
     21    22 ts:1:test:count 1
     22    23 usn:1:test 8
-    23    24 ts:1:test f8a0aa15c4ada94ef0217b3b52e0201e
+    23    24 ts:1:test b9d8e844c6924b20d32f68f0cefcc254
     24    25 ts:2:test:count 1
     25    26 usn:2:test 9
-    26    27 ts:2:test f1d425e152c3bad8e4ecc1d8cb494695
+    26    27 ts:2:test cdcc707620e054b42efd4c41e4f60ab7
     27    28 ts:3:de:count 1
     28    29 usn:3:de 7
-    29    30 ts:3:de 6a0bb43728aad7d033e09299ddd86487
+    29    30 ts:3:de 37c8fef52342ae53748b3cecc0740ecb
     30    31 ts:3:es:count 1
     31    32 usn:3:es 7
-    32    33 ts:3:es 610eb59ed751a6ea91db04e1ca435cce
+    32    33 ts:3:es 4a6b77a11b1fd98e3b8095d8885946a0
     33    34 ts:3:fr:count 1
     34    35 usn:3:fr 7
-    35    36 ts:3:fr f925bc372f545991664a3db806fa1684
+    35    36 ts:3:fr cc9229c69f890bb544ee38f60537de8d
     36    37 target:1:test_job:de 8bb9639055f97bedbda2aae326b456d0
     37    38 target:mtime:1:test_job:de 12345678
     38    39 source:1:test_job:de 8bb9639055f97bedbda2aae326b456d0
-    39    40 source:ts:1:test_job:de bdfe9a7e81dbe6bef768a8d82f6fb9a5
+    39    40 source:ts:1:test_job:de 88c42fc95337230d482dc9d5ec3d3f36
     40    41 target:1:test_job:es 8bb9639055f97bedbda2aae326b456d0
     41    42 target:mtime:1:test_job:es 12345678
     42    43 source:1:test_job:es 8bb9639055f97bedbda2aae326b456d0
-    43    44 source:ts:1:test_job:es 808abc769840c1e689d0638f1c9c9d0b
+    43    44 source:ts:1:test_job:es 58e6043f8e086b8e9abad8d34e5278c2
     44    45 target:1:test_job:fr 8bb9639055f97bedbda2aae326b456d0
     45    46 target:mtime:1:test_job:fr 12345678
     46    47 source:1:test_job:fr 8bb9639055f97bedbda2aae326b456d0
-    47    48 source:ts:1:test_job:fr 9129c4d9d631aef8c2d09696c297d406
+    47    48 source:ts:1:test_job:fr 1c046afc2cc6700e38d012f5fc47986c
     48    49 target:1:test_job:test 719b88bcfcd49b057ffd497eee52db02
     49    50 target:mtime:1:test_job:test 12345678
     50    51 source:1:test_job:test 8bb9639055f97bedbda2aae326b456d0
     51    52 source:ts:1:test_job:test
-          f8a0aa15c4ada94ef0217b3b52e0201e
+          b9d8e844c6924b20d32f68f0cefcc254
     52    53 target:2:test_job:test 514efb745c93368ae9cad136d5d287c1
     53    54 target:mtime:2:test_job:test 12345678
     54    55 source:2:test_job:test 54a96730abb420fff0ef21fa10eafb3a
     55    56 source:ts:2:test_job:test
-          f1d425e152c3bad8e4ecc1d8cb494695
+          cdcc707620e054b42efd4c41e4f60ab7
     56    57 target:3:test_job:de 2389fec6b2a3371c45e8ecdf2ba73b3b
     57    58 target:mtime:3:test_job:de 12345678
     58    59 source:3:test_job:de 2389fec6b2a3371c45e8ecdf2ba73b3b
-    59    60 source:ts:3:test_job:de 6a0bb43728aad7d033e09299ddd86487
+    59    60 source:ts:3:test_job:de 37c8fef52342ae53748b3cecc0740ecb
     60    61 target:3:test_job:es 2389fec6b2a3371c45e8ecdf2ba73b3b
     61    62 target:mtime:3:test_job:es 12345678
     62    63 source:3:test_job:es 2389fec6b2a3371c45e8ecdf2ba73b3b
-    63    64 source:ts:3:test_job:es 610eb59ed751a6ea91db04e1ca435cce
+    63    64 source:ts:3:test_job:es 4a6b77a11b1fd98e3b8095d8885946a0
     64    65 target:3:test_job:fr 2389fec6b2a3371c45e8ecdf2ba73b3b
     65    66 target:mtime:3:test_job:fr 12345678
     66    67 source:3:test_job:fr 2389fec6b2a3371c45e8ecdf2ba73b3b
-    67    68 source:ts:3:test_job:fr f925bc372f545991664a3db806fa1684
+    67    68 source:ts:3:test_job:fr cc9229c69f890bb544ee38f60537de8d
     68    69 job-hash:test_namespace:test_job
           338afaa522d576571b7dd9a5066c3b15
     69    70 job-plugin:test_namespace:test_job parse_android.
     70    71 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    71    72 job-engine:test_namespace:test_job 1.3.2
+    71    72 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/limit_languages/00/reference-output/po/de/strings.xml.po b/t/data/engine/limit_languages/00/reference-output/po/de/strings.xml.po
index 9a59fda1..7820a183 100644
--- a/t/data/engine/limit_languages/00/reference-output/po/de/strings.xml.po
+++ b/t/data/engine/limit_languages/00/reference-output/po/de/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: de\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string
 #: File: strings.xml
diff --git a/t/data/engine/limit_languages/00/reference-output/po/de/strings5.xml.po b/t/data/engine/limit_languages/00/reference-output/po/de/strings5.xml.po
index bc9b4df8..f24f031b 100644
--- a/t/data/engine/limit_languages/00/reference-output/po/de/strings5.xml.po
+++ b/t/data/engine/limit_languages/00/reference-output/po/de/strings5.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: de\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string
 #: File: strings5.xml
diff --git a/t/data/engine/limit_languages/00/reference-output/po/es/strings.xml.po b/t/data/engine/limit_languages/00/reference-output/po/es/strings.xml.po
index 45e9bd93..762dc700 100644
--- a/t/data/engine/limit_languages/00/reference-output/po/es/strings.xml.po
+++ b/t/data/engine/limit_languages/00/reference-output/po/es/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: es\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string
 #: File: strings.xml
diff --git a/t/data/engine/limit_languages/00/reference-output/po/es/strings5.xml.po b/t/data/engine/limit_languages/00/reference-output/po/es/strings5.xml.po
index ac3d47f5..241283a3 100644
--- a/t/data/engine/limit_languages/00/reference-output/po/es/strings5.xml.po
+++ b/t/data/engine/limit_languages/00/reference-output/po/es/strings5.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: es\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string
 #: File: strings5.xml
diff --git a/t/data/engine/limit_languages/00/reference-output/po/fr/strings.xml.po b/t/data/engine/limit_languages/00/reference-output/po/fr/strings.xml.po
index 9a2e93e9..ebff7883 100644
--- a/t/data/engine/limit_languages/00/reference-output/po/fr/strings.xml.po
+++ b/t/data/engine/limit_languages/00/reference-output/po/fr/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: fr\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string
 #: File: strings.xml
diff --git a/t/data/engine/limit_languages/00/reference-output/po/fr/strings5.xml.po b/t/data/engine/limit_languages/00/reference-output/po/fr/strings5.xml.po
index dd3cf937..09d17aad 100644
--- a/t/data/engine/limit_languages/00/reference-output/po/fr/strings5.xml.po
+++ b/t/data/engine/limit_languages/00/reference-output/po/fr/strings5.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: fr\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string
 #: File: strings5.xml
diff --git a/t/data/engine/limit_languages/00/reference-output/po/test/strings.xml.po b/t/data/engine/limit_languages/00/reference-output/po/test/strings.xml.po
index 38ccd667..8ac67867 100644
--- a/t/data/engine/limit_languages/00/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/limit_languages/00/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string
 #: File: strings.xml
diff --git a/t/data/engine/limit_languages/00/reference-output/po/test/strings3.xml.po b/t/data/engine/limit_languages/00/reference-output/po/test/strings3.xml.po
index abe2a922..64d5c24d 100644
--- a/t/data/engine/limit_languages/00/reference-output/po/test/strings3.xml.po
+++ b/t/data/engine/limit_languages/00/reference-output/po/test/strings3.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string
 #: File: strings3.xml
diff --git a/t/data/engine/limit_languages/01/reference-output/database/properties b/t/data/engine/limit_languages/01/reference-output/database/properties
index 6751a76d..c7f7e29a 100644
--- a/t/data/engine/limit_languages/01/reference-output/database/properties
+++ b/t/data/engine/limit_languages/01/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1
     4     5 ts:1:test:count 1
     5     6 usn:1:test 4
-    6     7 ts:1:test f1d425e152c3bad8e4ecc1d8cb494695
+    6     7 ts:1:test cdcc707620e054b42efd4c41e4f60ab7
     7     8 target:1:test_job:test a6423897f3bf3d8d781f5ca512c611c1
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test f5667e6a183795be2ca316d5263f252b
     10    11 source:ts:1:test_job:test
-          f1d425e152c3bad8e4ecc1d8cb494695
+          cdcc707620e054b42efd4c41e4f60ab7
     11    12 job-hash:test_namespace:test_job
           90f0aa1e620b83a901b94e1e0d5aad61
     12    13 job-plugin:test_namespace:test_job parse_android.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/limit_languages/01/reference-output/po/test/strings3.xml.po b/t/data/engine/limit_languages/01/reference-output/po/test/strings3.xml.po
index abe2a922..64d5c24d 100644
--- a/t/data/engine/limit_languages/01/reference-output/po/test/strings3.xml.po
+++ b/t/data/engine/limit_languages/01/reference-output/po/test/strings3.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string
 #: File: strings3.xml
diff --git a/t/data/engine/limit_languages/02/reference-output/database/properties b/t/data/engine/limit_languages/02/reference-output/database/properties
index 75163583..404455f2 100644
--- a/t/data/engine/limit_languages/02/reference-output/database/properties
+++ b/t/data/engine/limit_languages/02/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1
     4     5 ts:1:test:count 1
     5     6 usn:1:test 4
-    6     7 ts:1:test 9f726d7456fc9265e51de36aba38265e
+    6     7 ts:1:test bf6e5ed0084c52b258030bc6302302c5
     7     8 target:1:test_job:test 61acb1e8ace8a05ee50d6986ff6957a6
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 7fd97fc337522ca9fa45953ba897d16e
     10    11 source:ts:1:test_job:test
-          9f726d7456fc9265e51de36aba38265e
+          bf6e5ed0084c52b258030bc6302302c5
     11    12 job-hash:test_namespace:test_job
           d9c6e2fa4ebab666b1e3dd92fcb1d69b
     12    13 job-plugin:test_namespace:test_job parse_android.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/limit_languages/02/reference-output/po/test/strings2.localizable.xml.po b/t/data/engine/limit_languages/02/reference-output/po/test/strings2.localizable.xml.po
index 1717f2e5..6d3f7c1e 100644
--- a/t/data/engine/limit_languages/02/reference-output/po/test/strings2.localizable.xml.po
+++ b/t/data/engine/limit_languages/02/reference-output/po/test/strings2.localizable.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string
 #: File: strings2.localizable.xml
diff --git a/t/data/engine/metaparser/00-ini/reference-output/database/properties b/t/data/engine/metaparser/00-ini/reference-output/database/properties
index 8d4fc210..c6f973ee 100644
--- a/t/data/engine/metaparser/00-ini/reference-output/database/properties
+++ b/t/data/engine/metaparser/00-ini/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4
     4     5 ts:1:test:count 4
     5     6 usn:1:test 13
-    6     7 ts:1:test 9af390bef5d6530649d5d4870a5bfaa8
+    6     7 ts:1:test ad4d31846889e2c8cea5b0b544f4fcab
     7     8 target:1:test_job:test c7b5c54051fe4ab61839b4dad0b0864c
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test cc540b0da54385b28a662216399ed67a
     10    11 source:ts:1:test_job:test
-          9af390bef5d6530649d5d4870a5bfaa8
+          ad4d31846889e2c8cea5b0b544f4fcab
     11    12 job-hash:test_namespace:test_job
           470dd62c8a1c65b17783c6bd99f1e582
     12    13 job-plugin:test_namespace:test_job metaparser.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/metaparser/00-ini/reference-output/po/test/sample.ini.po b/t/data/engine/metaparser/00-ini/reference-output/po/test/sample.ini.po
index 9f09aa45..01bcd249 100644
--- a/t/data/engine/metaparser/00-ini/reference-output/po/test/sample.ini.po
+++ b/t/data/engine/metaparser/00-ini/reference-output/po/test/sample.ini.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. foo
 #. localization note
diff --git a/t/data/engine/metaparser/01-inc/reference-output/database/properties b/t/data/engine/metaparser/01-inc/reference-output/database/properties
index 35cd83ac..36626ce2 100644
--- a/t/data/engine/metaparser/01-inc/reference-output/database/properties
+++ b/t/data/engine/metaparser/01-inc/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4
     4     5 ts:1:test:count 4
     5     6 usn:1:test 13
-    6     7 ts:1:test dd4f31c4a88db074f090485a526ec4f2
+    6     7 ts:1:test dc2a3947ff1c061df579bd78a276cfeb
     7     8 target:1:test_job:test c5bbf955999eb59ff71c3652410d8e97
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test a556892e88719b75b08fcdc56a5e2512
     10    11 source:ts:1:test_job:test
-          dd4f31c4a88db074f090485a526ec4f2
+          dc2a3947ff1c061df579bd78a276cfeb
     11    12 job-hash:test_namespace:test_job
           832bfb8223a6c1c6d32a79b0fab01648
     12    13 job-plugin:test_namespace:test_job metaparser.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/metaparser/01-inc/reference-output/po/test/sample.inc.po b/t/data/engine/metaparser/01-inc/reference-output/po/test/sample.inc.po
index 03af1cfc..a35ed3e6 100644
--- a/t/data/engine/metaparser/01-inc/reference-output/po/test/sample.inc.po
+++ b/t/data/engine/metaparser/01-inc/reference-output/po/test/sample.inc.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. FOO
 #. localization note
diff --git a/t/data/engine/metaparser/02-php-defines/reference-output/database/properties b/t/data/engine/metaparser/02-php-defines/reference-output/database/properties
index 00cc3ba8..2f54364c 100644
--- a/t/data/engine/metaparser/02-php-defines/reference-output/database/properties
+++ b/t/data/engine/metaparser/02-php-defines/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3
     4     5 ts:1:test:count 3
     5     6 usn:1:test 10
-    6     7 ts:1:test e0c647348cbf2d8a4ce502ef348db3de
+    6     7 ts:1:test 7984dc31c7c2c333b601324407657a08
     7     8 target:1:test_job:test 17f419ec6cab5a4ea803416ffa097720
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 0a72a228443ff69ebe449315d3aa25d3
     10    11 source:ts:1:test_job:test
-          e0c647348cbf2d8a4ce502ef348db3de
+          7984dc31c7c2c333b601324407657a08
     11    12 job-hash:test_namespace:test_job
           407854e158fd486ffd8a4c4b5e01bbb1
     12    13 job-plugin:test_namespace:test_job metaparser.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/metaparser/02-php-defines/reference-output/po/test/sample.php.po b/t/data/engine/metaparser/02-php-defines/reference-output/po/test/sample.php.po
index eb6f981e..31eeeff2 100644
--- a/t/data/engine/metaparser/02-php-defines/reference-output/po/test/sample.php.po
+++ b/t/data/engine/metaparser/02-php-defines/reference-output/po/test/sample.php.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. FOO
 #. comment for FOO message
diff --git a/t/data/engine/parse_android/00/reference-output/database/properties b/t/data/engine/parse_android/00/reference-output/database/properties
index 8647406c..455568c2 100644
--- a/t/data/engine/parse_android/00/reference-output/database/properties
+++ b/t/data/engine/parse_android/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7
     4     5 ts:1:test:count 7
     5     6 usn:1:test 22
-    6     7 ts:1:test 9f572e9e5bd1a875475039b9f702b023
+    6     7 ts:1:test 8e78f957547280a65b79218ad33d00db
     7     8 target:1:test_job:test c1e04f9d9cd2a8e8a0742688abc1d0ab
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test efa1a79e80cd98a307227ced0a0c99a1
     10    11 source:ts:1:test_job:test
-          9f572e9e5bd1a875475039b9f702b023
+          8e78f957547280a65b79218ad33d00db
     11    12 job-hash:test_namespace:test_job
           230b4529b269420cd5f53f7ee76a3faf
     12    13 job-plugin:test_namespace:test_job parse_android.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_android/00/reference-output/po/test/strings.xml.po b/t/data/engine/parse_android/00/reference-output/po/test/strings.xml.po
index 563cce5c..1e69051f 100644
--- a/t/data/engine/parse_android/00/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/parse_android/00/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/database/properties b/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/database/properties
index 0b0c74da..a8d72f45 100644
--- a/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/database/properties
+++ b/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/database/properties
@@ -10,38 +10,38 @@ properties
     7     8 items:2 6,7,8,9,10,11,12,13,14,15
     8     9 ts:1:de:count 5
     9     10 usn:1:de 11
-    10    11 ts:1:de a5c73da9d2f776652a05e052faf19fdc
+    10    11 ts:1:de ed3335fbd655c59e8533cf0a87fb219b
     11    12 ts:1:test:count 5
     12    13 usn:1:test 32
-    13    14 ts:1:test de3d429c127b9fc039ec4eb8fb2f5e13
+    13    14 ts:1:test da6c6905b3c8331c31efe7937e98c957
     14    15 ts:2:de:count 10
     15    16 usn:2:de 27
-    16    17 ts:2:de d34f28c7b2d557bda3ac8402bbec2916
+    16    17 ts:2:de 58950cf2cfd5419f15b99cfce9369a11
     17    18 ts:2:test:count 10
     18    19 usn:2:test 42
-    19    20 ts:2:test 0bb154e558f9d249eb77e6be49822dff
+    19    20 ts:2:test 43819ee6ea4a2b7f19053a6101c5ffad
     20    21 target:1:test_job:de 59ff15517510d0049558ae298771970c
     21    22 target:mtime:1:test_job:de 12345678
     22    23 source:1:test_job:de bedaf495a43459194d2235cc8d34d6b5
-    23    24 source:ts:1:test_job:de a5c73da9d2f776652a05e052faf19fdc
+    23    24 source:ts:1:test_job:de ed3335fbd655c59e8533cf0a87fb219b
     24    25 target:1:test_job:test d6511459e929f3a0a461f3053eaa0f8e
     25    26 target:mtime:1:test_job:test 12345678
     26    27 source:1:test_job:test bedaf495a43459194d2235cc8d34d6b5
     27    28 source:ts:1:test_job:test
-          de3d429c127b9fc039ec4eb8fb2f5e13
+          da6c6905b3c8331c31efe7937e98c957
     28    29 target:2:test_job:de 143e12f5606a1da161adb7cb7fa6aa92
     29    30 target:mtime:2:test_job:de 12345678
     30    31 source:2:test_job:de fe07b6c0f5606b1b9b1c2ed9f72397c0
-    31    32 source:ts:2:test_job:de d34f28c7b2d557bda3ac8402bbec2916
+    31    32 source:ts:2:test_job:de 58950cf2cfd5419f15b99cfce9369a11
     32    33 target:2:test_job:test ea242aa1fe0cdb6eaed1a8cad0fbef5d
     33    34 target:mtime:2:test_job:test 12345678
     34    35 source:2:test_job:test fe07b6c0f5606b1b9b1c2ed9f72397c0
     35    36 source:ts:2:test_job:test
-          0bb154e558f9d249eb77e6be49822dff
+          43819ee6ea4a2b7f19053a6101c5ffad
     36    37 job-hash:test_namespace:test_job
           ab45297677788be7833e6ff9062f699d
     37    38 job-plugin:test_namespace:test_job parse_android.
     38    39 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    39    40 job-engine:test_namespace:test_job 1.3.2
+    39    40 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/po/de/strings.xml.po b/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/po/de/strings.xml.po
index 9146192f..8a15b232 100644
--- a/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/po/de/strings.xml.po
+++ b/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/po/de/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: de\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/po/de/strings2.xml.po b/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/po/de/strings2.xml.po
index ed67ad89..6a6dbda3 100644
--- a/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/po/de/strings2.xml.po
+++ b/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/po/de/strings2.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: de\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings2.xml
diff --git a/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/po/test/strings.xml.po b/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/po/test/strings.xml.po
index f1f7a333..bfdc872d 100644
--- a/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/po/test/strings2.xml.po b/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/po/test/strings2.xml.po
index 06b4c08d..c4a3abf6 100644
--- a/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/po/test/strings2.xml.po
+++ b/t/data/engine/parse_android/01-cleanup-untranslated/reference-output/po/test/strings2.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings2.xml
diff --git a/t/data/engine/parse_android/02-use-keys-as-context/reference-output/database/properties b/t/data/engine/parse_android/02-use-keys-as-context/reference-output/database/properties
index 5e61e641..b33d18f0 100644
--- a/t/data/engine/parse_android/02-use-keys-as-context/reference-output/database/properties
+++ b/t/data/engine/parse_android/02-use-keys-as-context/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7
     4     5 ts:1:test:count 7
     5     6 usn:1:test 22
-    6     7 ts:1:test 0dc32ba2a0f999f119629c84206004ba
+    6     7 ts:1:test 84be5646458cb77ae304724df96a6ab0
     7     8 target:1:test_job:test c1e04f9d9cd2a8e8a0742688abc1d0ab
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test efa1a79e80cd98a307227ced0a0c99a1
     10    11 source:ts:1:test_job:test
-          0dc32ba2a0f999f119629c84206004ba
+          84be5646458cb77ae304724df96a6ab0
     11    12 job-hash:test_namespace:test_job
           b0273b63e5bcaf7fa4052462a3b49b4d
     12    13 job-plugin:test_namespace:test_job parse_android.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_android/02-use-keys-as-context/reference-output/po/test/strings.xml.po b/t/data/engine/parse_android/02-use-keys-as-context/reference-output/po/test/strings.xml.po
index 5968ea44..79ff3d07 100644
--- a/t/data/engine/parse_android/02-use-keys-as-context/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/parse_android/02-use-keys-as-context/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/parse_chrome_json/00/reference-output/database/properties b/t/data/engine/parse_chrome_json/00/reference-output/database/properties
index c5fd604a..1e0abf83 100644
--- a/t/data/engine/parse_chrome_json/00/reference-output/database/properties
+++ b/t/data/engine/parse_chrome_json/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7,8,9
     4     5 ts:1:test:count 9
     5     6 usn:1:test 28
-    6     7 ts:1:test 26966bfbfba69816676ac6d97f521a08
+    6     7 ts:1:test e2a4181f5560dadd9d475874017f89e3
     7     8 target:1:test_job:test c5989c0331653eb2285a85f52a210ea1
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test ac5d713da54b6e26d612ec27b2416004
     10    11 source:ts:1:test_job:test
-          26966bfbfba69816676ac6d97f521a08
+          e2a4181f5560dadd9d475874017f89e3
     11    12 job-hash:test_namespace:test_job
           ef82dccb54cc56e69fa783cda68aec23
     12    13 job-plugin:test_namespace:test_job parse_chrome_json.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_chrome_json/00/reference-output/po/test/messages.json.po b/t/data/engine/parse_chrome_json/00/reference-output/po/test/messages.json.po
index 8964453e..18243128 100644
--- a/t/data/engine/parse_chrome_json/00/reference-output/po/test/messages.json.po
+++ b/t/data/engine/parse_chrome_json/00/reference-output/po/test/messages.json.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #: File: messages.json
 #: ID: 7be7e3d02e19148bb3ae61376bf9f943
diff --git a/t/data/engine/parse_csv/00/reference-output/database/properties b/t/data/engine/parse_csv/00/reference-output/database/properties
index d2b4c366..8ea50af8 100644
--- a/t/data/engine/parse_csv/00/reference-output/database/properties
+++ b/t/data/engine/parse_csv/00/reference-output/database/properties
@@ -6,18 +6,18 @@ properties
     3     4 items:1 1,2,3,4,5,6
     4     5 ts:1:test:count 6
     5     6 usn:1:test 19
-    6     7 ts:1:test 0cd6078b8759be718641e1730001a0f6
+    6     7 ts:1:test 19323921c4377e84034cc8e528af5667
     7     8 target:1:parse_csv_00:test
           f001c90139e341d09d2b8d87c7bd66c5
     8     9 target:mtime:1:parse_csv_00:test 12345678
     9     10 source:1:parse_csv_00:test
           f3850e8eb0d30b344a4d1d6b3db52a56
     10    11 source:ts:1:parse_csv_00:test
-          0cd6078b8759be718641e1730001a0f6
+          19323921c4377e84034cc8e528af5667
     11    12 job-hash:test_namespace:parse_csv_00
           796f974aa26c8f8718f9786bceed6b66
     12    13 job-plugin:test_namespace:parse_csv_00 parse_csv.
     13    14 job-serializer-plugin:test_namespace:parse_csv_00
           serialize_po.
-    14    15 job-engine:test_namespace:parse_csv_00 1.3.2
+    14    15 job-engine:test_namespace:parse_csv_00 1.4
 }
diff --git a/t/data/engine/parse_csv/00/reference-output/po/test/strings.csv.po b/t/data/engine/parse_csv/00/reference-output/po/test/strings.csv.po
index 19f7895f..4bc91e01 100644
--- a/t/data/engine/parse_csv/00/reference-output/po/test/strings.csv.po
+++ b/t/data/engine/parse_csv/00/reference-output/po/test/strings.csv.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #: File: strings.csv
 #: ID: 0e06836499090f2f0713e983e3d42382
diff --git a/t/data/engine/parse_csv/01/reference-output/database/properties b/t/data/engine/parse_csv/01/reference-output/database/properties
index 24994522..c32700c9 100644
--- a/t/data/engine/parse_csv/01/reference-output/database/properties
+++ b/t/data/engine/parse_csv/01/reference-output/database/properties
@@ -6,18 +6,18 @@ properties
     3     4 items:1 1
     4     5 ts:1:test:count 1
     5     6 usn:1:test 4
-    6     7 ts:1:test 6a1df1f76b2b7f28f01c1069b3803e8e
+    6     7 ts:1:test 660a1c102e42ed70629c52d37f6ef419
     7     8 target:1:parse_csv_02:test
           ab2c8a2d5e43cf8ab7993b7db5e5f7c2
     8     9 target:mtime:1:parse_csv_02:test 12345678
     9     10 source:1:parse_csv_02:test
           65bd01695acd6c0e5608d2f5396d6a04
     10    11 source:ts:1:parse_csv_02:test
-          6a1df1f76b2b7f28f01c1069b3803e8e
+          660a1c102e42ed70629c52d37f6ef419
     11    12 job-hash:test_namespace:parse_csv_02
           10c1b60d0ba9003fcfa6f63c9af4d3d0
     12    13 job-plugin:test_namespace:parse_csv_02 parse_csv.
     13    14 job-serializer-plugin:test_namespace:parse_csv_02
           serialize_po.
-    14    15 job-engine:test_namespace:parse_csv_02 1.3.2
+    14    15 job-engine:test_namespace:parse_csv_02 1.4
 }
diff --git a/t/data/engine/parse_csv/01/reference-output/po/test/strings.csv.po b/t/data/engine/parse_csv/01/reference-output/po/test/strings.csv.po
index b50e6bd8..d9d725b9 100644
--- a/t/data/engine/parse_csv/01/reference-output/po/test/strings.csv.po
+++ b/t/data/engine/parse_csv/01/reference-output/po/test/strings.csv.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. comment1
 #: File: strings.csv
diff --git a/t/data/engine/parse_dtd/00/reference-output/database/properties b/t/data/engine/parse_dtd/00/reference-output/database/properties
index 4af5d189..cff1f333 100644
--- a/t/data/engine/parse_dtd/00/reference-output/database/properties
+++ b/t/data/engine/parse_dtd/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3
     4     5 ts:1:test:count 3
     5     6 usn:1:test 10
-    6     7 ts:1:test accbcf8c384e5a1581b82b81f42de36d
+    6     7 ts:1:test 24562da36bd29c9bf3a50ee2b36ea6b6
     7     8 target:1:test_job:test cd73b87dcf67c483af3d59fc5dbf878c
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test e798f68a0dd9a3d4d9224451ee862374
     10    11 source:ts:1:test_job:test
-          accbcf8c384e5a1581b82b81f42de36d
+          24562da36bd29c9bf3a50ee2b36ea6b6
     11    12 job-hash:test_namespace:test_job
           356d0c7b0e38936b5386fb09eed6a9ad
     12    13 job-plugin:test_namespace:test_job parse_dtd.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_dtd/00/reference-output/po/test/strings.dtd.po b/t/data/engine/parse_dtd/00/reference-output/po/test/strings.dtd.po
index 10b26370..c1d263e9 100644
--- a/t/data/engine/parse_dtd/00/reference-output/po/test/strings.dtd.po
+++ b/t/data/engine/parse_dtd/00/reference-output/po/test/strings.dtd.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.dtd
diff --git a/t/data/engine/parse_go/00/reference-output/database/properties b/t/data/engine/parse_go/00/reference-output/database/properties
index af2fcf20..a1aca89b 100644
--- a/t/data/engine/parse_go/00/reference-output/database/properties
+++ b/t/data/engine/parse_go/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7
     4     5 ts:1:test:count 7
     5     6 usn:1:test 22
-    6     7 ts:1:test e06c73f93c7c1f17855fa2e7bffade35
+    6     7 ts:1:test 9132c60e2f518416ed82eda3279d7d51
     7     8 target:1:test_job:test 3f6eaa8e205a813d2fe9265ac1654efc
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 0fa4710a16c5305a2958bdd8cb8c3cb0
     10    11 source:ts:1:test_job:test
-          e06c73f93c7c1f17855fa2e7bffade35
+          9132c60e2f518416ed82eda3279d7d51
     11    12 job-hash:test_namespace:test_job
           80550c3571ec1aba9f3e92616157eaba
     12    13 job-plugin:test_namespace:test_job parse_go.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_go/00/reference-output/po/test/strings.go.po b/t/data/engine/parse_go/00/reference-output/po/test/strings.go.po
index 3852d6b2..4d1859d1 100644
--- a/t/data/engine/parse_go/00/reference-output/po/test/strings.go.po
+++ b/t/data/engine/parse_go/00/reference-output/po/test/strings.go.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. H1 Heading
 #. welcomeMessageKey
diff --git a/t/data/engine/parse_js/00/reference-output/database/properties b/t/data/engine/parse_js/00/reference-output/database/properties
index 5d277022..82a56e76 100644
--- a/t/data/engine/parse_js/00/reference-output/database/properties
+++ b/t/data/engine/parse_js/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6
     4     5 ts:1:test:count 6
     5     6 usn:1:test 19
-    6     7 ts:1:test 4d4849100cc628c0eb87dd762509f03a
+    6     7 ts:1:test 974454d29673d2d3297a0c99ac5642b7
     7     8 target:1:test_job:test 1356f1cff0aabbe60390ccf9bb292cb1
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test a17256d80189d292919d460199477ed2
     10    11 source:ts:1:test_job:test
-          4d4849100cc628c0eb87dd762509f03a
+          974454d29673d2d3297a0c99ac5642b7
     11    12 job-hash:test_namespace:test_job
           531e2a925a3bf660eff30f703199c10d
     12    13 job-plugin:test_namespace:test_job parse_js.2
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_js/00/reference-output/po/test/strings.js.po b/t/data/engine/parse_js/00/reference-output/po/test/strings.js.po
index cc855d2c..15fd251a 100644
--- a/t/data/engine/parse_js/00/reference-output/po/test/strings.js.po
+++ b/t/data/engine/parse_js/00/reference-output/po/test/strings.js.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. key1
 #: File: strings.js
diff --git a/t/data/engine/parse_js/01/reference-output/database/properties b/t/data/engine/parse_js/01/reference-output/database/properties
index 05764ec8..612872cc 100644
--- a/t/data/engine/parse_js/01/reference-output/database/properties
+++ b/t/data/engine/parse_js/01/reference-output/database/properties
@@ -7,16 +7,16 @@ properties
           1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28
     4     5 ts:1:test:count 28
     5     6 usn:1:test 57
-    6     7 ts:1:test afc22e04b217093f0686b879e11c94c3
+    6     7 ts:1:test 514e74ed278ebe6f2e16097c583e9184
     7     8 target:1:test_job:test b0728bc470d7b055ed093872748d300e
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test aada1b42e30e1c69b92362686c7de740
     10    11 source:ts:1:test_job:test
-          afc22e04b217093f0686b879e11c94c3
+          514e74ed278ebe6f2e16097c583e9184
     11    12 job-hash:test_namespace:test_job
           eb2b3db6079782d059db74ca9d2e9c06
     12    13 job-plugin:test_namespace:test_job parse_js.2
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_js/01/reference-output/po/test/strings.js.po b/t/data/engine/parse_js/01/reference-output/po/test/strings.js.po
index dc93bb02..1e7afb2d 100644
--- a/t/data/engine/parse_js/01/reference-output/po/test/strings.js.po
+++ b/t/data/engine/parse_js/01/reference-output/po/test/strings.js.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. key1
 #: File: strings.js
diff --git a/t/data/engine/parse_json/00/reference-output/database/properties b/t/data/engine/parse_json/00/reference-output/database/properties
index 024dd454..b1b8bdb9 100644
--- a/t/data/engine/parse_json/00/reference-output/database/properties
+++ b/t/data/engine/parse_json/00/reference-output/database/properties
@@ -10,24 +10,24 @@ properties
     7     8 items:2 4,5
     8     9 ts:1:test:count 3
     9     10 usn:1:test 13
-    10    11 ts:1:test 6e45fd5d32889a5e6b4db8ae15832e47
+    10    11 ts:1:test 524914547601ec4b8ebea814c51e49e8
     11    12 ts:2:test:count 2
     12    13 usn:2:test 15
-    13    14 ts:2:test 98ce3ff601e84af91a1aec934a50053c
+    13    14 ts:2:test 440d06d33b9b1724ad75bee2ee5240e3
     14    15 target:1:test_job:test d9a3526974fd6ccb0387d40abd13f43e
     15    16 target:mtime:1:test_job:test 12345678
     16    17 source:1:test_job:test c62f3c19c589cadac3f8b46e84c46e20
     17    18 source:ts:1:test_job:test
-          6e45fd5d32889a5e6b4db8ae15832e47
+          524914547601ec4b8ebea814c51e49e8
     18    19 target:2:test_job:test 6c388a3898ade9dfc16f4f6f0785e73b
     19    20 target:mtime:2:test_job:test 12345678
     20    21 source:2:test_job:test ce4a28f73ad0547eeceb5876fb047226
     21    22 source:ts:2:test_job:test
-          98ce3ff601e84af91a1aec934a50053c
+          440d06d33b9b1724ad75bee2ee5240e3
     22    23 job-hash:test_namespace:test_job
           cf5bed984d4a113f8c89374df04d42c7
     23    24 job-plugin:test_namespace:test_job parse_json.
     24    25 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    25    26 job-engine:test_namespace:test_job 1.3.2
+    25    26 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_json/00/reference-output/po/test/relaxed.json.po b/t/data/engine/parse_json/00/reference-output/po/test/relaxed.json.po
index 91fc12f4..83954038 100644
--- a/t/data/engine/parse_json/00/reference-output/po/test/relaxed.json.po
+++ b/t/data/engine/parse_json/00/reference-output/po/test/relaxed.json.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. [0]/title
 #: File: relaxed.json
diff --git a/t/data/engine/parse_json/00/reference-output/po/test/strings.json.po b/t/data/engine/parse_json/00/reference-output/po/test/strings.json.po
index b1e887c7..c9112f6a 100644
--- a/t/data/engine/parse_json/00/reference-output/po/test/strings.json.po
+++ b/t/data/engine/parse_json/00/reference-output/po/test/strings.json.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. /item1/title
 #: File: strings.json
diff --git a/t/data/engine/parse_json/01/reference-output/database/properties b/t/data/engine/parse_json/01/reference-output/database/properties
index 068d111a..ffa203a9 100644
--- a/t/data/engine/parse_json/01/reference-output/database/properties
+++ b/t/data/engine/parse_json/01/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7,8
     4     5 ts:1:test:count 8
     5     6 usn:1:test 25
-    6     7 ts:1:test 6103c03a363a1508c019feea80f27c93
+    6     7 ts:1:test bd2e4ae2c7972aa15c94b6604d977671
     7     8 target:1:test_job:test fc496cd60b0f5633ca21a677facb1a84
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 813f2e20bc8ddb1f1f5062bed1abdb2d
     10    11 source:ts:1:test_job:test
-          6103c03a363a1508c019feea80f27c93
+          bd2e4ae2c7972aa15c94b6604d977671
     11    12 job-hash:test_namespace:test_job
           f5fe95b4677b350121bd1d3ffdf976c7
     12    13 job-plugin:test_namespace:test_job parse_json.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_json/01/reference-output/po/test/mixed.json.po b/t/data/engine/parse_json/01/reference-output/po/test/mixed.json.po
index fdecfa8b..b3c3e809 100644
--- a/t/data/engine/parse_json/01/reference-output/po/test/mixed.json.po
+++ b/t/data/engine/parse_json/01/reference-output/po/test/mixed.json.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #: File: mixed.json
 #: ID: f7202a0b7d95fde965f44bfb8e979bef
diff --git a/t/data/engine/parse_json/02/reference-output/database/properties b/t/data/engine/parse_json/02/reference-output/database/properties
index 0884f9b2..b361949c 100644
--- a/t/data/engine/parse_json/02/reference-output/database/properties
+++ b/t/data/engine/parse_json/02/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1
     4     5 ts:1:test:count 1
     5     6 usn:1:test 4
-    6     7 ts:1:test 107a750a62b856d77ddea633f030ec60
+    6     7 ts:1:test 075553f8d54d6fb7dffee296e946a169
     7     8 target:1:test_job:test 314b3cd32790eb5146808ea82156c22a
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 81c9cd941f5225710c81832bb6decc88
     10    11 source:ts:1:test_job:test
-          107a750a62b856d77ddea633f030ec60
+          075553f8d54d6fb7dffee296e946a169
     11    12 job-hash:test_namespace:test_job
           abf7f5b149fbbc4447c9797e3f74f988
     12    13 job-plugin:test_namespace:test_job parse_json.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_json/02/reference-output/po/test/blanks.json.po b/t/data/engine/parse_json/02/reference-output/po/test/blanks.json.po
index 6d6051f3..719fd344 100644
--- a/t/data/engine/parse_json/02/reference-output/po/test/blanks.json.po
+++ b/t/data/engine/parse_json/02/reference-output/po/test/blanks.json.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. /zero
 #: File: blanks.json
diff --git a/t/data/engine/parse_json/03/reference-output/database/properties b/t/data/engine/parse_json/03/reference-output/database/properties
index b148575d..03361343 100644
--- a/t/data/engine/parse_json/03/reference-output/database/properties
+++ b/t/data/engine/parse_json/03/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7,8
     4     5 ts:1:test:count 8
     5     6 usn:1:test 25
-    6     7 ts:1:test aedc3527f2e8ae8525f81f180263698a
+    6     7 ts:1:test 26befcee4d51790f5ca8062accb8aced
     7     8 target:1:test_job:test 3fced40adb67530b5b7020c588e7efff
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 813f2e20bc8ddb1f1f5062bed1abdb2d
     10    11 source:ts:1:test_job:test
-          aedc3527f2e8ae8525f81f180263698a
+          26befcee4d51790f5ca8062accb8aced
     11    12 job-hash:test_namespace:test_job
           0f3efe678e144af1c6183d608f0c55fb
     12    13 job-plugin:test_namespace:test_job parse_json.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_json/03/reference-output/po/test/mixed.json.po b/t/data/engine/parse_json/03/reference-output/po/test/mixed.json.po
index 3f2f754d..70270518 100644
--- a/t/data/engine/parse_json/03/reference-output/po/test/mixed.json.po
+++ b/t/data/engine/parse_json/03/reference-output/po/test/mixed.json.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #: File: mixed.json
 #: ID: f7202a0b7d95fde965f44bfb8e979bef
diff --git a/t/data/engine/parse_json_keyvalue/00/reference-output/database/properties b/t/data/engine/parse_json_keyvalue/00/reference-output/database/properties
index 54262bbc..600442bd 100644
--- a/t/data/engine/parse_json_keyvalue/00/reference-output/database/properties
+++ b/t/data/engine/parse_json_keyvalue/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4
     4     5 ts:1:test:count 4
     5     6 usn:1:test 13
-    6     7 ts:1:test 6be353a336e39a1f79e97632c7adffba
+    6     7 ts:1:test 3e6e1e9d878013c2ab103d68530f098f
     7     8 target:1:test_job:test d55c993d5242c39d25aae1faf9594b3b
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 35400722582cfb84aa599d37fa8f9f97
     10    11 source:ts:1:test_job:test
-          6be353a336e39a1f79e97632c7adffba
+          3e6e1e9d878013c2ab103d68530f098f
     11    12 job-hash:test_namespace:test_job
           a0c97c00880a19796b5e5f7f2f1ad02c
     12    13 job-plugin:test_namespace:test_job parse_json_keyvalue.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_json_keyvalue/00/reference-output/po/test/strings.json.po b/t/data/engine/parse_json_keyvalue/00/reference-output/po/test/strings.json.po
index da25c0c4..c7418b31 100644
--- a/t/data/engine/parse_json_keyvalue/00/reference-output/po/test/strings.json.po
+++ b/t/data/engine/parse_json_keyvalue/00/reference-output/po/test/strings.json.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.json
diff --git a/t/data/engine/parse_keyvalue/00/reference-output/database/properties b/t/data/engine/parse_keyvalue/00/reference-output/database/properties
index e7cd1dd2..1412d9e9 100644
--- a/t/data/engine/parse_keyvalue/00/reference-output/database/properties
+++ b/t/data/engine/parse_keyvalue/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5
     4     5 ts:1:test:count 5
     5     6 usn:1:test 16
-    6     7 ts:1:test 439118577fe431f637c91bfc1a6d6e7e
+    6     7 ts:1:test 403936cfcb077ae986335a02c1baf7c1
     7     8 target:1:test_job:test 02819e7d838cb0a094d020443d699c5f
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 6ff380c6a14d0e16908940b564b0fdd9
     10    11 source:ts:1:test_job:test
-          439118577fe431f637c91bfc1a6d6e7e
+          403936cfcb077ae986335a02c1baf7c1
     11    12 job-hash:test_namespace:test_job
           5ffbd6cd6a218a8fe7126f6381903b01
     12    13 job-plugin:test_namespace:test_job parse_keyvalue.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_keyvalue/00/reference-output/po/test/strings.txt.po b/t/data/engine/parse_keyvalue/00/reference-output/po/test/strings.txt.po
index b8349f19..2f73c567 100644
--- a/t/data/engine/parse_keyvalue/00/reference-output/po/test/strings.txt.po
+++ b/t/data/engine/parse_keyvalue/00/reference-output/po/test/strings.txt.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.txt
diff --git a/t/data/engine/parse_master/00/reference-output/database/properties b/t/data/engine/parse_master/00/reference-output/database/properties
index cf056e66..cd1ed8d0 100644
--- a/t/data/engine/parse_master/00/reference-output/database/properties
+++ b/t/data/engine/parse_master/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4
     4     5 ts:1:test:count 4
     5     6 usn:1:test 13
-    6     7 ts:1:test 52f60235178f458a640ef9f513502bce
+    6     7 ts:1:test 371a661bbb7d80dc27749c9374f33acc
     7     8 target:1:test_job:test 396877305cb37d3b0730e2b79100c084
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 95909a5ceaab59cd06cadd4bcee58813
     10    11 source:ts:1:test_job:test
-          52f60235178f458a640ef9f513502bce
+          371a661bbb7d80dc27749c9374f33acc
     11    12 job-hash:test_namespace:test_job
           3b6e2c0df5a9eaa27cbf7b83dfdcd45e
     12    13 job-plugin:test_namespace:test_job parse_master.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_master/00/reference-output/po/test/email_template.xml.master.po b/t/data/engine/parse_master/00/reference-output/po/test/email_template.xml.master.po
index e8daedb4..9423c1c1 100644
--- a/t/data/engine/parse_master/00/reference-output/po/test/email_template.xml.master.po
+++ b/t/data/engine/parse_master/00/reference-output/po/test/email_template.xml.master.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. Email subject
 #: File: email_template.xml.master
diff --git a/t/data/engine/parse_master/01/reference-output/database/properties b/t/data/engine/parse_master/01/reference-output/database/properties
index cacbc5bf..4eaab818 100644
--- a/t/data/engine/parse_master/01/reference-output/database/properties
+++ b/t/data/engine/parse_master/01/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4
     4     5 ts:1:test:count 4
     5     6 usn:1:test 13
-    6     7 ts:1:test 52f60235178f458a640ef9f513502bce
+    6     7 ts:1:test 371a661bbb7d80dc27749c9374f33acc
     7     8 target:1:test_job:test 396877305cb37d3b0730e2b79100c084
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 7ec3e4e77db0e5e8950fa73b490ec3f9
     10    11 source:ts:1:test_job:test
-          52f60235178f458a640ef9f513502bce
+          371a661bbb7d80dc27749c9374f33acc
     11    12 job-hash:test_namespace:test_job
           8d57e121083606cda40dcb8ef9defff4
     12    13 job-plugin:test_namespace:test_job parse_master.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_master/01/reference-output/po/test/email_template.xml.master.po b/t/data/engine/parse_master/01/reference-output/po/test/email_template.xml.master.po
index e8daedb4..9423c1c1 100644
--- a/t/data/engine/parse_master/01/reference-output/po/test/email_template.xml.master.po
+++ b/t/data/engine/parse_master/01/reference-output/po/test/email_template.xml.master.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. Email subject
 #: File: email_template.xml.master
diff --git a/t/data/engine/parse_php_xhtml/00/reference-output/database/properties b/t/data/engine/parse_php_xhtml/00/reference-output/database/properties
index c91466d0..e7b1fb48 100644
--- a/t/data/engine/parse_php_xhtml/00/reference-output/database/properties
+++ b/t/data/engine/parse_php_xhtml/00/reference-output/database/properties
@@ -7,16 +7,16 @@ properties
           1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21
     4     5 ts:4:test:count 21
     5     6 usn:4:test 67
-    6     7 ts:4:test f1803c097a3450de3360f6ee8fcb29fd
+    6     7 ts:4:test 678e4d62956bb39ec92b058f85833a3b
     7     8 target:4:test_job:test 83ee5768900a2bfa7312cbd8bbb08b89
     8     9 target:mtime:4:test_job:test 12345678
     9     10 source:4:test_job:test 7b5e59f8bb7ad3023335abd269b539b1
     10    11 source:ts:4:test_job:test
-          f1803c097a3450de3360f6ee8fcb29fd
+          678e4d62956bb39ec92b058f85833a3b
     11    12 job-hash:test_namespace:test_job
           80c52c3ab8cfc898775493c6842093a7
     12    13 job-plugin:test_namespace:test_job parse_php_xhtml.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_php_xhtml/00/reference-output/po/test/index.php.po b/t/data/engine/parse_php_xhtml/00/reference-output/po/test/index.php.po
index 872b5e6b..1acb3e7c 100644
--- a/t/data/engine/parse_php_xhtml/00/reference-output/po/test/index.php.po
+++ b/t/data/engine/parse_php_xhtml/00/reference-output/po/test/index.php.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. Page title
 #: File: index.php
diff --git a/t/data/engine/parse_php_xhtml/01/reference-output/database/properties b/t/data/engine/parse_php_xhtml/01/reference-output/database/properties
index 1ba8174b..a0378f4a 100644
--- a/t/data/engine/parse_php_xhtml/01/reference-output/database/properties
+++ b/t/data/engine/parse_php_xhtml/01/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1
     4     5 ts:1:test:count 1
     5     6 usn:1:test 4
-    6     7 ts:1:test 32d29fc4b64989d01dcf557748dada35
+    6     7 ts:1:test 4bdd59132099ba2f0ae0e26313faf875
     7     8 target:1:test_job:test 5ce93baff9a6a7b9113f7147262289d7
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 20edd73cb39332553acd5b8b980af8f5
     10    11 source:ts:1:test_job:test
-          32d29fc4b64989d01dcf557748dada35
+          4bdd59132099ba2f0ae0e26313faf875
     11    12 job-hash:test_namespace:test_job
           663f6b340b5db79b57386aa66a4a7fa8
     12    13 job-plugin:test_namespace:test_job parse_php_xhtml.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_php_xhtml/01/reference-output/po/test/strings.php.po b/t/data/engine/parse_php_xhtml/01/reference-output/po/test/strings.php.po
index 67633914..50abb9c2 100644
--- a/t/data/engine/parse_php_xhtml/01/reference-output/po/test/strings.php.po
+++ b/t/data/engine/parse_php_xhtml/01/reference-output/po/test/strings.php.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #: File: strings.php
 #: ID: 05c382b374518cc317f4ec0f98409fa0
diff --git a/t/data/engine/parse_php_xhtml/02/reference-output/database/properties b/t/data/engine/parse_php_xhtml/02/reference-output/database/properties
index 38d06751..df2037d6 100644
--- a/t/data/engine/parse_php_xhtml/02/reference-output/database/properties
+++ b/t/data/engine/parse_php_xhtml/02/reference-output/database/properties
@@ -6,11 +6,11 @@ properties
     3     4 items:1 1
     4     5 ts:1:test:count 1
     5     6 usn:1:test 4
-    6     7 ts:1:test 32d29fc4b64989d01dcf557748dada35
+    6     7 ts:1:test 4bdd59132099ba2f0ae0e26313faf875
     7     8 job-hash:test_namespace:test_job
           4d3316eef7b85c4225ec16cb6dde2181
     8     9 job-plugin:test_namespace:test_job parse_php_xhtml.
     9     10 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    10    11 job-engine:test_namespace:test_job 1.3.2
+    10    11 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_php_xhtml/02/reference-output/po/test/strings.php.po b/t/data/engine/parse_php_xhtml/02/reference-output/po/test/strings.php.po
index 67633914..50abb9c2 100644
--- a/t/data/engine/parse_php_xhtml/02/reference-output/po/test/strings.php.po
+++ b/t/data/engine/parse_php_xhtml/02/reference-output/po/test/strings.php.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #: File: strings.php
 #: ID: 05c382b374518cc317f4ec0f98409fa0
diff --git a/t/data/engine/parse_php_xhtml/03/reference-output/database/properties b/t/data/engine/parse_php_xhtml/03/reference-output/database/properties
index 93348779..842b7e80 100644
--- a/t/data/engine/parse_php_xhtml/03/reference-output/database/properties
+++ b/t/data/engine/parse_php_xhtml/03/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 ``
     4     5 ts:1:test:count 0
     5     6 usn:1:test 0
-    6     7 ts:1:test 327466c64e1d1e202c7ecd20ce02bd60
+    6     7 ts:1:test bbb1fb87506106a98e7d21e72d871ecd
     7     8 target:1:test_job:test f188d3fca9f7dc6235054d28047ee84e
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test dd96036cb9b6c9331f8c5f1f81e16492
     10    11 source:ts:1:test_job:test
-          327466c64e1d1e202c7ecd20ce02bd60
+          bbb1fb87506106a98e7d21e72d871ecd
     11    12 job-hash:test_namespace:test_job
           c14ff3d9b9248dfa2c59b41642712492
     12    13 job-plugin:test_namespace:test_job parse_php_xhtml.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_php_xhtml/03/reference-output/po/test/strings.php.po b/t/data/engine/parse_php_xhtml/03/reference-output/po/test/strings.php.po
index 0e158100..3c2943a9 100644
--- a/t/data/engine/parse_php_xhtml/03/reference-output/po/test/strings.php.po
+++ b/t/data/engine/parse_php_xhtml/03/reference-output/po/test/strings.php.po
@@ -3,4 +3,4 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
diff --git a/t/data/engine/parse_php_xhtml/04/reference-output/database/properties b/t/data/engine/parse_php_xhtml/04/reference-output/database/properties
index 239d7595..21662a6f 100644
--- a/t/data/engine/parse_php_xhtml/04/reference-output/database/properties
+++ b/t/data/engine/parse_php_xhtml/04/reference-output/database/properties
@@ -10,24 +10,24 @@ properties
     7     8 items:2 2
     8     9 ts:1:test:count 1
     9     10 usn:1:test 7
-    10    11 ts:1:test 3b985e5d4c0efa8d46eb60910040885d
+    10    11 ts:1:test 0b3427180ad7741230c0b98de303c2ad
     11    12 ts:2:test:count 1
     12    13 usn:2:test 8
-    13    14 ts:2:test 16acd2938bf4d1555c304939c48910eb
+    13    14 ts:2:test 0eb724fdb0e94d99f34cf9e1e1894531
     14    15 target:1:test_job:test be71be7fb3d559f422ec4fb5abf50825
     15    16 target:mtime:1:test_job:test 12345678
     16    17 source:1:test_job:test 250f377d0ac6679d5d33da7fc4e8d56f
     17    18 source:ts:1:test_job:test
-          3b985e5d4c0efa8d46eb60910040885d
+          0b3427180ad7741230c0b98de303c2ad
     18    19 target:2:test_job:test 119f90182f98c7b72a05056faae4ea4b
     19    20 target:mtime:2:test_job:test 12345678
     20    21 source:2:test_job:test 96b69c397e7f70af0e907c38bb5aea1b
     21    22 source:ts:2:test_job:test
-          16acd2938bf4d1555c304939c48910eb
+          0eb724fdb0e94d99f34cf9e1e1894531
     22    23 job-hash:test_namespace:test_job
           13f5cf7eb76c85b819d63eb53bb11505
     23    24 job-plugin:test_namespace:test_job parse_php_xhtml.
     24    25 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    25    26 job-engine:test_namespace:test_job 1.3.2
+    25    26 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_php_xhtml/04/reference-output/po/test/1.html.po b/t/data/engine/parse_php_xhtml/04/reference-output/po/test/1.html.po
index 6b7fb9f9..1bc776bf 100644
--- a/t/data/engine/parse_php_xhtml/04/reference-output/po/test/1.html.po
+++ b/t/data/engine/parse_php_xhtml/04/reference-output/po/test/1.html.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #: File: 1.html
 #: ID: 6ae1e455d80c7982b4e81a1da104ef8b
diff --git a/t/data/engine/parse_php_xhtml/04/reference-output/po/test/2.html.po b/t/data/engine/parse_php_xhtml/04/reference-output/po/test/2.html.po
index 233b0515..f2685fd7 100644
--- a/t/data/engine/parse_php_xhtml/04/reference-output/po/test/2.html.po
+++ b/t/data/engine/parse_php_xhtml/04/reference-output/po/test/2.html.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #: File: 2.html
 #: ID: 5e120ef2867f51f8230f4fb667f6dfd5
diff --git a/t/data/engine/parse_php_xhtml/05/reference-output/database/properties b/t/data/engine/parse_php_xhtml/05/reference-output/database/properties
index 25af92cc..86e709c1 100644
--- a/t/data/engine/parse_php_xhtml/05/reference-output/database/properties
+++ b/t/data/engine/parse_php_xhtml/05/reference-output/database/properties
@@ -22,48 +22,48 @@ properties
     19    20 items:5 ``
     20    21 ts:1:test:count 0
     21    22 usn:1:test 0
-    22    23 ts:1:test 327466c64e1d1e202c7ecd20ce02bd60
+    22    23 ts:1:test bbb1fb87506106a98e7d21e72d871ecd
     23    24 ts:2:test:count 0
     24    25 usn:2:test 0
-    25    26 ts:2:test 327466c64e1d1e202c7ecd20ce02bd60
+    25    26 ts:2:test bbb1fb87506106a98e7d21e72d871ecd
     26    27 ts:3:test:count 3
     27    28 usn:3:test 16
-    28    29 ts:3:test 762fe1afea86e5f1a5f945113603fdc7
+    28    29 ts:3:test 7b9e2928c7252eae7794930829ca7742
     29    30 ts:4:test:count 1
     30    31 usn:4:test 17
-    31    32 ts:4:test 5d79b9f09ebad4221306a182f7b6b802
+    31    32 ts:4:test 6ce091d740a682b169f4b6d999625fa5
     32    33 ts:5:test:count 0
     33    34 usn:5:test 0
-    34    35 ts:5:test 327466c64e1d1e202c7ecd20ce02bd60
+    34    35 ts:5:test bbb1fb87506106a98e7d21e72d871ecd
     35    36 target:1:test_job:test f309d694485da86750abf1a1d7d426d5
     36    37 target:mtime:1:test_job:test 12345678
     37    38 source:1:test_job:test f309d694485da86750abf1a1d7d426d5
     38    39 source:ts:1:test_job:test
-          327466c64e1d1e202c7ecd20ce02bd60
+          bbb1fb87506106a98e7d21e72d871ecd
     39    40 target:2:test_job:test c8977cd77c23d4edfa98019ab8499c16
     40    41 target:mtime:2:test_job:test 12345678
     41    42 source:2:test_job:test c8977cd77c23d4edfa98019ab8499c16
     42    43 source:ts:2:test_job:test
-          327466c64e1d1e202c7ecd20ce02bd60
+          bbb1fb87506106a98e7d21e72d871ecd
     43    44 target:3:test_job:test 919d20bd545c553e1e9c4f0429f08aa4
     44    45 target:mtime:3:test_job:test 12345678
     45    46 source:3:test_job:test 74954867c409640e6453459d89a6cc1a
     46    47 source:ts:3:test_job:test
-          762fe1afea86e5f1a5f945113603fdc7
+          7b9e2928c7252eae7794930829ca7742
     47    48 target:4:test_job:test 2cf6d768798a162978ffe7861f4fe502
     48    49 target:mtime:4:test_job:test 12345678
     49    50 source:4:test_job:test 66ecaebad6deb45a19d91db04bc8352e
     50    51 source:ts:4:test_job:test
-          5d79b9f09ebad4221306a182f7b6b802
+          6ce091d740a682b169f4b6d999625fa5
     51    52 target:5:test_job:test 0dd79d9401bbb2846d384b8801af34e2
     52    53 target:mtime:5:test_job:test 12345678
     53    54 source:5:test_job:test 0dd79d9401bbb2846d384b8801af34e2
     54    55 source:ts:5:test_job:test
-          327466c64e1d1e202c7ecd20ce02bd60
+          bbb1fb87506106a98e7d21e72d871ecd
     55    56 job-hash:test_namespace:test_job
           c14ff3d9b9248dfa2c59b41642712492
     56    57 job-plugin:test_namespace:test_job parse_php_xhtml.
     57    58 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    58    59 job-engine:test_namespace:test_job 1.3.2
+    58    59 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_php_xhtml/05/reference-output/po/test/1.php.po b/t/data/engine/parse_php_xhtml/05/reference-output/po/test/1.php.po
index 0e158100..3c2943a9 100644
--- a/t/data/engine/parse_php_xhtml/05/reference-output/po/test/1.php.po
+++ b/t/data/engine/parse_php_xhtml/05/reference-output/po/test/1.php.po
@@ -3,4 +3,4 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
diff --git a/t/data/engine/parse_php_xhtml/05/reference-output/po/test/2.php.po b/t/data/engine/parse_php_xhtml/05/reference-output/po/test/2.php.po
index 0e158100..3c2943a9 100644
--- a/t/data/engine/parse_php_xhtml/05/reference-output/po/test/2.php.po
+++ b/t/data/engine/parse_php_xhtml/05/reference-output/po/test/2.php.po
@@ -3,4 +3,4 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
diff --git a/t/data/engine/parse_php_xhtml/05/reference-output/po/test/3.php.po b/t/data/engine/parse_php_xhtml/05/reference-output/po/test/3.php.po
index c98ac38c..8210019b 100644
--- a/t/data/engine/parse_php_xhtml/05/reference-output/po/test/3.php.po
+++ b/t/data/engine/parse_php_xhtml/05/reference-output/po/test/3.php.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #: File: 3.php
 #: ID: 34be7f81fb2ddce22af7c8534533a78a
diff --git a/t/data/engine/parse_php_xhtml/05/reference-output/po/test/4.php.po b/t/data/engine/parse_php_xhtml/05/reference-output/po/test/4.php.po
index c7d2ed53..aaa0f832 100644
--- a/t/data/engine/parse_php_xhtml/05/reference-output/po/test/4.php.po
+++ b/t/data/engine/parse_php_xhtml/05/reference-output/po/test/4.php.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #: File: 4.php
 #: ID: a9772ba4db6dc3a288fcfa366867f2f8
diff --git a/t/data/engine/parse_php_xhtml/05/reference-output/po/test/5.php.po b/t/data/engine/parse_php_xhtml/05/reference-output/po/test/5.php.po
index 0e158100..3c2943a9 100644
--- a/t/data/engine/parse_php_xhtml/05/reference-output/po/test/5.php.po
+++ b/t/data/engine/parse_php_xhtml/05/reference-output/po/test/5.php.po
@@ -3,4 +3,4 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
diff --git a/t/data/engine/parse_plist/00/reference-output/database/properties b/t/data/engine/parse_plist/00/reference-output/database/properties
index f535a230..605d7ee3 100644
--- a/t/data/engine/parse_plist/00/reference-output/database/properties
+++ b/t/data/engine/parse_plist/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5
     4     5 ts:1:test:count 5
     5     6 usn:1:test 16
-    6     7 ts:1:test 8bd97ff2b8c2b5fde8cd9ec63fc67509
+    6     7 ts:1:test d9d338589c35b2a478d3d4943f97e15c
     7     8 target:1:test_job:test 9a7e4d1e87c57b3d46ba59620dc2488d
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test fef631aeb57c6cc0b4706ca666475972
     10    11 source:ts:1:test_job:test
-          8bd97ff2b8c2b5fde8cd9ec63fc67509
+          d9d338589c35b2a478d3d4943f97e15c
     11    12 job-hash:test_namespace:test_job
           ba4bfe9007da3091098f1c476ffc69dc
     12    13 job-plugin:test_namespace:test_job parse_plist.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_plist/00/reference-output/po/test/strings.plist.po b/t/data/engine/parse_plist/00/reference-output/po/test/strings.plist.po
index 66a3ab54..896e6c7d 100644
--- a/t/data/engine/parse_plist/00/reference-output/po/test/strings.plist.po
+++ b/t/data/engine/parse_plist/00/reference-output/po/test/strings.plist.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string_key1
 #: File: strings.plist
diff --git a/t/data/engine/parse_pot/00/reference-output/database/properties b/t/data/engine/parse_pot/00/reference-output/database/properties
index f6766d32..c244df8f 100644
--- a/t/data/engine/parse_pot/00/reference-output/database/properties
+++ b/t/data/engine/parse_pot/00/reference-output/database/properties
@@ -14,32 +14,32 @@ properties
     11    12 items:3 9,10,11,12,13
     12    13 ts:1:test:count 1
     13    14 usn:1:test 26
-    14    15 ts:1:test e09056b588e6e17c09ef0a765b21a4af
+    14    15 ts:1:test 59c4f4f559e5f94d255cd9c16cb58fb5
     15    16 ts:2:test:count 7
     16    17 usn:2:test 33
-    17    18 ts:2:test 48fe20ea562df9c2b85f32fdf169bcf7
+    17    18 ts:2:test cb3e9d8b687fdc3c03b0a1f13605b75f
     18    19 ts:3:test:count 5
     19    20 usn:3:test 38
-    20    21 ts:3:test 4666641bf7d73519b3422cec262c23bf
+    20    21 ts:3:test cdb74cf37d707ea747c1dc46deb5ad71
     21    22 target:1:test_job:test 8bb03b0b5b61bc8fdb87930a40e8fe87
     22    23 target:mtime:1:test_job:test 12345678
     23    24 source:1:test_job:test 2c52cb87d1b1401e713fe9c38a73eff5
     24    25 source:ts:1:test_job:test
-          e09056b588e6e17c09ef0a765b21a4af
+          59c4f4f559e5f94d255cd9c16cb58fb5
     25    26 target:2:test_job:test 3daa2699c50626d46f50b5251ed54c35
     26    27 target:mtime:2:test_job:test 12345678
     27    28 source:2:test_job:test a513a59948cafc3a7a5bf924ca0f3cde
     28    29 source:ts:2:test_job:test
-          48fe20ea562df9c2b85f32fdf169bcf7
+          cb3e9d8b687fdc3c03b0a1f13605b75f
     29    30 target:3:test_job:test b1e12029f404d864524459529a47240a
     30    31 target:mtime:3:test_job:test 12345678
     31    32 source:3:test_job:test 91375f70ba74beac5f744935d1caeb12
     32    33 source:ts:3:test_job:test
-          4666641bf7d73519b3422cec262c23bf
+          cdb74cf37d707ea747c1dc46deb5ad71
     33    34 job-hash:test_namespace:test_job
           831060d0350c0cd2672bf309a05a4d2e
     34    35 job-plugin:test_namespace:test_job parse_pot.
     35    36 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    36    37 job-engine:test_namespace:test_job 1.3.2
+    36    37 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_pot/00/reference-output/po/test/non-standard.pot.po b/t/data/engine/parse_pot/00/reference-output/po/test/non-standard.pot.po
index d7e7572c..5f35227e 100644
--- a/t/data/engine/parse_pot/00/reference-output/po/test/non-standard.pot.po
+++ b/t/data/engine/parse_pot/00/reference-output/po/test/non-standard.pot.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. translator-comments
 #. automatic-comments
diff --git a/t/data/engine/parse_pot/00/reference-output/po/test/template.pot.po b/t/data/engine/parse_pot/00/reference-output/po/test/template.pot.po
index d6190037..4df34c1c 100644
--- a/t/data/engine/parse_pot/00/reference-output/po/test/template.pot.po
+++ b/t/data/engine/parse_pot/00/reference-output/po/test/template.pot.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. /file/path/filename0.php:106
 #: File: template.pot
diff --git a/t/data/engine/parse_pot/00/reference-output/po/test/translated.po.po b/t/data/engine/parse_pot/00/reference-output/po/test/translated.po.po
index 74dc83dc..84f18426 100644
--- a/t/data/engine/parse_pot/00/reference-output/po/test/translated.po.po
+++ b/t/data/engine/parse_pot/00/reference-output/po/test/translated.po.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. /file/path/filename0.php:106
 #: File: translated.po
diff --git a/t/data/engine/parse_pot/01/reference-output/database/properties b/t/data/engine/parse_pot/01/reference-output/database/properties
index 32891e64..e34f67f9 100644
--- a/t/data/engine/parse_pot/01/reference-output/database/properties
+++ b/t/data/engine/parse_pot/01/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3
     4     5 ts:1:test:count 3
     5     6 usn:1:test 10
-    6     7 ts:1:test 7165c3c3598bba62c58b13211e1f2e51
+    6     7 ts:1:test 211a4023beffd1eee3e9d019d5a48b45
     7     8 target:1:test_job:test cb3e1f587e5e8ae33ec30191a66fac9f
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test daa3cef94a28cef916ed6d792e75d3ea
     10    11 source:ts:1:test_job:test
-          7165c3c3598bba62c58b13211e1f2e51
+          211a4023beffd1eee3e9d019d5a48b45
     11    12 job-hash:test_namespace:test_job
           e2bc6cc3f35a7102a9537ce0652fece9
     12    13 job-plugin:test_namespace:test_job parse_pot.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_pot/01/reference-output/po/test/template.pot.po b/t/data/engine/parse_pot/01/reference-output/po/test/template.pot.po
index 9b8180c9..3066f5b6 100644
--- a/t/data/engine/parse_pot/01/reference-output/po/test/template.pot.po
+++ b/t/data/engine/parse_pot/01/reference-output/po/test/template.pot.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #: File: template.pot
 #: ID: 52b8425aa485a7e3b7a02e1b586f9cef
diff --git a/t/data/engine/parse_properties/00/reference-output/database/properties b/t/data/engine/parse_properties/00/reference-output/database/properties
index 04526aa5..65a3df09 100644
--- a/t/data/engine/parse_properties/00/reference-output/database/properties
+++ b/t/data/engine/parse_properties/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5
     4     5 ts:1:test:count 5
     5     6 usn:1:test 16
-    6     7 ts:1:test f3718580f2dd365aafcc0035dd375fa0
+    6     7 ts:1:test 3253d9d0d048d55aff629f43d97c2157
     7     8 target:1:test_job:test 1014ad811e98702a5e8ac91a61eda3a3
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 38cb5e9ec4f5de9050d8a9825e79f8d2
     10    11 source:ts:1:test_job:test
-          f3718580f2dd365aafcc0035dd375fa0
+          3253d9d0d048d55aff629f43d97c2157
     11    12 job-hash:test_namespace:test_job
           a5091f2119476cf73d70128c222ffc91
     12    13 job-plugin:test_namespace:test_job parse_properties.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_properties/00/reference-output/po/test/StripesResources.properties.po b/t/data/engine/parse_properties/00/reference-output/po/test/StripesResources.properties.po
index c9472c7e..c7a0ea8c 100644
--- a/t/data/engine/parse_properties/00/reference-output/po/test/StripesResources.properties.po
+++ b/t/data/engine/parse_properties/00/reference-output/po/test/StripesResources.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. foo
 #. this is a comment for foo
diff --git a/t/data/engine/parse_properties/01/reference-output/database/properties b/t/data/engine/parse_properties/01/reference-output/database/properties
index 85bdccb5..c6df6ccc 100644
--- a/t/data/engine/parse_properties/01/reference-output/database/properties
+++ b/t/data/engine/parse_properties/01/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5
     4     5 ts:1:test:count 5
     5     6 usn:1:test 11
-    6     7 ts:1:test a07faa2ef11564a4fe568809c58c1d5d
+    6     7 ts:1:test ab312399c5509d390ade08e5104b8f62
     7     8 target:1:test_job:test 93ce1cb8aed0eef9378a7534c0f40138
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 38cb5e9ec4f5de9050d8a9825e79f8d2
     10    11 source:ts:1:test_job:test
-          a07faa2ef11564a4fe568809c58c1d5d
+          ab312399c5509d390ade08e5104b8f62
     11    12 job-hash:test_namespace:test_job
           fd926f2cac6a2ef1c68f8aaeedcd45ad
     12    13 job-plugin:test_namespace:test_job parse_properties.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_properties/01/reference-output/po/test/StripesResources.properties.po b/t/data/engine/parse_properties/01/reference-output/po/test/StripesResources.properties.po
index 0c787ac8..771fc17d 100644
--- a/t/data/engine/parse_properties/01/reference-output/po/test/StripesResources.properties.po
+++ b/t/data/engine/parse_properties/01/reference-output/po/test/StripesResources.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. foo
 #. this is a comment for foo
diff --git a/t/data/engine/parse_rc/00/reference-output/database/properties b/t/data/engine/parse_rc/00/reference-output/database/properties
index 6d8f3559..9248ae1f 100644
--- a/t/data/engine/parse_rc/00/reference-output/database/properties
+++ b/t/data/engine/parse_rc/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5
     4     5 ts:1:test:count 5
     5     6 usn:1:test 16
-    6     7 ts:1:test a535701a4bf40dfd3e41ccd666298f16
+    6     7 ts:1:test 075e069c9630dedd9add150161abd8ad
     7     8 target:1:test_job:test 402d4b321ffe9876cb697d5122b5569a
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test b88e2e32e7cd852f7d4b76ba913a78a1
     10    11 source:ts:1:test_job:test
-          a535701a4bf40dfd3e41ccd666298f16
+          075e069c9630dedd9add150161abd8ad
     11    12 job-hash:test_namespace:test_job
           13b98de1726dbf76b84d3c04553c69a6
     12    13 job-plugin:test_namespace:test_job parse_rc.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_rc/00/reference-output/po/test/application.rc.po b/t/data/engine/parse_rc/00/reference-output/po/test/application.rc.po
index e41fa333..48cebef6 100644
--- a/t/data/engine/parse_rc/00/reference-output/po/test/application.rc.po
+++ b/t/data/engine/parse_rc/00/reference-output/po/test/application.rc.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. IDS_TEST_1
 #: File: application.rc
diff --git a/t/data/engine/parse_resx/00/reference-output/database/properties b/t/data/engine/parse_resx/00/reference-output/database/properties
index 3968d564..0bb8c2a4 100644
--- a/t/data/engine/parse_resx/00/reference-output/database/properties
+++ b/t/data/engine/parse_resx/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6
     4     5 ts:1:test:count 6
     5     6 usn:1:test 19
-    6     7 ts:1:test 01ec0f1ad9eda2ec8335a40db6290930
+    6     7 ts:1:test ba4b3b22e640959913ef523c44bd52a9
     7     8 target:1:test_job:test 113889a4272517462cafa6c004416eee
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test ad85b64562255c209ab8e828853bb8da
     10    11 source:ts:1:test_job:test
-          01ec0f1ad9eda2ec8335a40db6290930
+          ba4b3b22e640959913ef523c44bd52a9
     11    12 job-hash:test_namespace:test_job
           a335961cf382017eb1694b806842d0cc
     12    13 job-plugin:test_namespace:test_job parse_resx.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_resx/00/reference-output/po/test/Resources.resx.po b/t/data/engine/parse_resx/00/reference-output/po/test/Resources.resx.po
index f4c8a439..243a20d9 100644
--- a/t/data/engine/parse_resx/00/reference-output/po/test/Resources.resx.po
+++ b/t/data/engine/parse_resx/00/reference-output/po/test/Resources.resx.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. Name1
 #: File: Resources.resx
diff --git a/t/data/engine/parse_rrc/00/reference-output/database/properties b/t/data/engine/parse_rrc/00/reference-output/database/properties
index 9211ca0f..7df856f8 100644
--- a/t/data/engine/parse_rrc/00/reference-output/database/properties
+++ b/t/data/engine/parse_rrc/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5
     4     5 ts:1:test:count 5
     5     6 usn:1:test 16
-    6     7 ts:1:test ea3dc3f39279e17eed93dfdf0f1db855
+    6     7 ts:1:test facf7bab088245d6581478f64be635bc
     7     8 target:1:test_job:test ce1c24a52ec3333eb6567a312ce51c93
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test f1ff4bcbfc5eb2dc80e5ec1389b83d92
     10    11 source:ts:1:test_job:test
-          ea3dc3f39279e17eed93dfdf0f1db855
+          facf7bab088245d6581478f64be635bc
     11    12 job-hash:test_namespace:test_job
           eb44b74168ec26c803a56a722d74979f
     12    13 job-plugin:test_namespace:test_job parse_rrc.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_rrc/00/reference-output/po/test/strings.rrc.po b/t/data/engine/parse_rrc/00/reference-output/po/test/strings.rrc.po
index 8d321555..64c5180b 100644
--- a/t/data/engine/parse_rrc/00/reference-output/po/test/strings.rrc.po
+++ b/t/data/engine/parse_rrc/00/reference-output/po/test/strings.rrc.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. TITLE
 #: File: strings.rrc
diff --git a/t/data/engine/parse_strings/00/reference-output/database/properties b/t/data/engine/parse_strings/00/reference-output/database/properties
index 604e3408..2ec781ba 100644
--- a/t/data/engine/parse_strings/00/reference-output/database/properties
+++ b/t/data/engine/parse_strings/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7,8,9
     4     5 ts:1:test:count 9
     5     6 usn:1:test 28
-    6     7 ts:1:test 92d57d37f4dbb177a6d376a9ad7ea5b5
+    6     7 ts:1:test 1ee023277442ed55b1e51bb94ec788d2
     7     8 target:1:test_job:test 13cdf6c7828c5b6cf64832d0e7474074
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 8e50afd27b37e7c7d9af2c66d735a214
     10    11 source:ts:1:test_job:test
-          92d57d37f4dbb177a6d376a9ad7ea5b5
+          1ee023277442ed55b1e51bb94ec788d2
     11    12 job-hash:test_namespace:test_job
           601edd82697d02da6807320ffd39b32f
     12    13 job-plugin:test_namespace:test_job parse_strings.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_strings/00/reference-output/po/test/Localizable.strings.po b/t/data/engine/parse_strings/00/reference-output/po/test/Localizable.strings.po
index 6eeaf6d1..b623fcca 100644
--- a/t/data/engine/parse_strings/00/reference-output/po/test/Localizable.strings.po
+++ b/t/data/engine/parse_strings/00/reference-output/po/test/Localizable.strings.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. String_with_no_quotes1
 #: File: Localizable.strings
diff --git a/t/data/engine/parse_ts/00/reference-output/database/properties b/t/data/engine/parse_ts/00/reference-output/database/properties
index edbcc5ce..cd10b664 100644
--- a/t/data/engine/parse_ts/00/reference-output/database/properties
+++ b/t/data/engine/parse_ts/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4
     4     5 ts:1:test:count 4
     5     6 usn:1:test 13
-    6     7 ts:1:test 4aea60714563f678d01047c170a5d9fd
+    6     7 ts:1:test 288cdaf1039d7e6408e3ff133edbfabf
     7     8 target:1:test_job:test 6455a0febda50667dd893f76804d77f0
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 6d5d732a7b8c70b1e99bfa89cdcdadf0
     10    11 source:ts:1:test_job:test
-          4aea60714563f678d01047c170a5d9fd
+          288cdaf1039d7e6408e3ff133edbfabf
     11    12 job-hash:test_namespace:test_job
           16a16b020f0ffcd7c048ece70fb54d3a
     12    13 job-plugin:test_namespace:test_job parse_ts.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_ts/00/reference-output/po/test/strings.ts.po b/t/data/engine/parse_ts/00/reference-output/po/test/strings.ts.po
index 2d3d4db4..2b8007dc 100644
--- a/t/data/engine/parse_ts/00/reference-output/po/test/strings.ts.po
+++ b/t/data/engine/parse_ts/00/reference-output/po/test/strings.ts.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. This is a comment for Value 1
 #: File: strings.ts
diff --git a/t/data/engine/parse_wxl/00/reference-output/database/properties b/t/data/engine/parse_wxl/00/reference-output/database/properties
index c75d602e..6948d1a9 100644
--- a/t/data/engine/parse_wxl/00/reference-output/database/properties
+++ b/t/data/engine/parse_wxl/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1
     4     5 ts:1:test:count 1
     5     6 usn:1:test 4
-    6     7 ts:1:test 1fcbcba5c85e97a0fe9faede1be4f6a5
+    6     7 ts:1:test b84b6b68a1f3c4b0e6f980397974b408
     7     8 target:1:test_job:test d451096dbfd4e0f131b809f0381b9224
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test b2938b3e5df54380c9704ab016c3fc16
     10    11 source:ts:1:test_job:test
-          1fcbcba5c85e97a0fe9faede1be4f6a5
+          b84b6b68a1f3c4b0e6f980397974b408
     11    12 job-hash:test_namespace:test_job
           94a489d913e74864f69394bc808762e9
     12    13 job-plugin:test_namespace:test_job parse_wxl.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_wxl/00/reference-output/po/test/strings_en-us.wxl.po b/t/data/engine/parse_wxl/00/reference-output/po/test/strings_en-us.wxl.po
index 5f6a7e8c..1e591244 100644
--- a/t/data/engine/parse_wxl/00/reference-output/po/test/strings_en-us.wxl.po
+++ b/t/data/engine/parse_wxl/00/reference-output/po/test/strings_en-us.wxl.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. Custom_Welcome
 #: File: strings_en-us.wxl
diff --git a/t/data/engine/parse_xliff/00/reference-output/database/properties b/t/data/engine/parse_xliff/00/reference-output/database/properties
index 8bb0d1e6..29befd5a 100644
--- a/t/data/engine/parse_xliff/00/reference-output/database/properties
+++ b/t/data/engine/parse_xliff/00/reference-output/database/properties
@@ -18,40 +18,40 @@ properties
     15    16 items:4 14,15,16,17,18
     16    17 ts:1:test:count 4
     17    18 usn:1:test 32
-    18    19 ts:1:test b8dc7a00d4a4bbd21f69d2fa9337b293
+    18    19 ts:1:test dc0569909a4094638742d4ba2a0332f5
     19    20 ts:2:test:count 4
     20    21 usn:2:test 36
-    21    22 ts:2:test 7c467e5d0dfdb02bddf42fea8ff2ae40
+    21    22 ts:2:test 1e68a05c294cb7c7de23146a26eec740
     22    23 ts:3:test:count 5
     23    24 usn:3:test 41
-    24    25 ts:3:test c1bb372a4a8eea9cadedfa0a84b243a1
+    24    25 ts:3:test c8b98ecba466a8932079b8f0c0c9f716
     25    26 ts:4:test:count 5
     26    27 usn:4:test 46
-    27    28 ts:4:test 918c8263ebc9f4c58eece3ecf105a55f
+    27    28 ts:4:test 7ded1adaeceee75bc57b4dd103734eef
     28    29 target:1:test_job:test 29dfbda9ad26587f7e316832e6c135be
     29    30 target:mtime:1:test_job:test 12345678
     30    31 source:1:test_job:test 7ea0ddacd9ee88f25904d8f53525e4db
     31    32 source:ts:1:test_job:test
-          b8dc7a00d4a4bbd21f69d2fa9337b293
+          dc0569909a4094638742d4ba2a0332f5
     32    33 target:2:test_job:test 29dfbda9ad26587f7e316832e6c135be
     33    34 target:mtime:2:test_job:test 12345678
     34    35 source:2:test_job:test 84a14d751348ded0eca6134ab478af28
     35    36 source:ts:2:test_job:test
-          7c467e5d0dfdb02bddf42fea8ff2ae40
+          1e68a05c294cb7c7de23146a26eec740
     36    37 target:3:test_job:test c34a10f141793dfa5dd70887191602c2
     37    38 target:mtime:3:test_job:test 12345678
     38    39 source:3:test_job:test 6149ef1e52270667f63f4007a4485cfc
     39    40 source:ts:3:test_job:test
-          c1bb372a4a8eea9cadedfa0a84b243a1
+          c8b98ecba466a8932079b8f0c0c9f716
     40    41 target:4:test_job:test c34a10f141793dfa5dd70887191602c2
     41    42 target:mtime:4:test_job:test 12345678
     42    43 source:4:test_job:test eb9dfe99b03862bd0b4b249458547903
     43    44 source:ts:4:test_job:test
-          918c8263ebc9f4c58eece3ecf105a55f
+          7ded1adaeceee75bc57b4dd103734eef
     44    45 job-hash:test_namespace:test_job
           ea488ef7fef16678428e146f0a1e0dc2
     45    46 job-plugin:test_namespace:test_job parse_xliff.
     46    47 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    47    48 job-engine:test_namespace:test_job 1.3.2
+    47    48 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_xliff/00/reference-output/po/test/sample_1.x.xliff.po b/t/data/engine/parse_xliff/00/reference-output/po/test/sample_1.x.xliff.po
index a1bcb05d..ddb9c0ac 100644
--- a/t/data/engine/parse_xliff/00/reference-output/po/test/sample_1.x.xliff.po
+++ b/t/data/engine/parse_xliff/00/reference-output/po/test/sample_1.x.xliff.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. file-original:sample1.txt unit-id:foo
 #: File: sample_1.x.xliff
diff --git a/t/data/engine/parse_xliff/00/reference-output/po/test/sample_1.x_tr.xliff.po b/t/data/engine/parse_xliff/00/reference-output/po/test/sample_1.x_tr.xliff.po
index e7436733..ef4486b6 100644
--- a/t/data/engine/parse_xliff/00/reference-output/po/test/sample_1.x_tr.xliff.po
+++ b/t/data/engine/parse_xliff/00/reference-output/po/test/sample_1.x_tr.xliff.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. file-original:sample1.txt unit-id:foo
 #: File: sample_1.x_tr.xliff
diff --git a/t/data/engine/parse_xliff/00/reference-output/po/test/sample_2.x.xliff.po b/t/data/engine/parse_xliff/00/reference-output/po/test/sample_2.x.xliff.po
index 326d5718..4c4157fa 100644
--- a/t/data/engine/parse_xliff/00/reference-output/po/test/sample_2.x.xliff.po
+++ b/t/data/engine/parse_xliff/00/reference-output/po/test/sample_2.x.xliff.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. file-original:sample1.txt unit-id:foo
 #: File: sample_2.x.xliff
diff --git a/t/data/engine/parse_xliff/00/reference-output/po/test/sample_2.x_tr.xliff.po b/t/data/engine/parse_xliff/00/reference-output/po/test/sample_2.x_tr.xliff.po
index 40d1a496..ddcdf297 100644
--- a/t/data/engine/parse_xliff/00/reference-output/po/test/sample_2.x_tr.xliff.po
+++ b/t/data/engine/parse_xliff/00/reference-output/po/test/sample_2.x_tr.xliff.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. file-original:sample1.txt unit-id:foo
 #: File: sample_2.x_tr.xliff
diff --git a/t/data/engine/parse_xml/00/reference-output/database/properties b/t/data/engine/parse_xml/00/reference-output/database/properties
index 6e68ac6b..5b0a1076 100644
--- a/t/data/engine/parse_xml/00/reference-output/database/properties
+++ b/t/data/engine/parse_xml/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7
     4     5 ts:1:test:count 7
     5     6 usn:1:test 22
-    6     7 ts:1:test 388b49042648ca5e60c157c212d1ebc1
+    6     7 ts:1:test 80a404d2a0a65c5c61ebae70bc566388
     7     8 target:1:test_job:test c8973dad3c1513367f770a6139a8e827
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test d78df5ac8ac06c4c034722f2bc3742a5
     10    11 source:ts:1:test_job:test
-          388b49042648ca5e60c157c212d1ebc1
+          80a404d2a0a65c5c61ebae70bc566388
     11    12 job-hash:test_namespace:test_job
           8c1f1fb82885c34113189dcd711a5362
     12    13 job-plugin:test_namespace:test_job parse_xml.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_xml/00/reference-output/po/test/strings.xml.po b/t/data/engine/parse_xml/00/reference-output/po/test/strings.xml.po
index 837c690e..8bdf1e44 100644
--- a/t/data/engine/parse_xml/00/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/parse_xml/00/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. /item/name
 #: File: strings.xml
diff --git a/t/data/engine/parse_yaml/00/reference-output/database/properties b/t/data/engine/parse_yaml/00/reference-output/database/properties
index 2b869b76..531dc044 100644
--- a/t/data/engine/parse_yaml/00/reference-output/database/properties
+++ b/t/data/engine/parse_yaml/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4
     4     5 ts:1:test:count 4
     5     6 usn:1:test 13
-    6     7 ts:1:test 9dc702e7a4e2ff68474addc25e921bec
+    6     7 ts:1:test c028bf0c515aaa148e9d2c81c55570e9
     7     8 target:1:test_job:test 6c11ff4063c36de7c89d21fd7e4feceb
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 9cc74248d8061fa6f550c68594c2abbf
     10    11 source:ts:1:test_job:test
-          9dc702e7a4e2ff68474addc25e921bec
+          c028bf0c515aaa148e9d2c81c55570e9
     11    12 job-hash:test_namespace:test_job
           2a1fab1dc8d932faec6aad21f15d75e8
     12    13 job-plugin:test_namespace:test_job parse_yaml.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_yaml/00/reference-output/po/test/strings.yml.po b/t/data/engine/parse_yaml/00/reference-output/po/test/strings.yml.po
index d18debd9..1d326bd2 100644
--- a/t/data/engine/parse_yaml/00/reference-output/po/test/strings.yml.po
+++ b/t/data/engine/parse_yaml/00/reference-output/po/test/strings.yml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. /baz__PRESERVE_ANCHOR__baz_anchor
 #: File: strings.yml
diff --git a/t/data/engine/parse_yaml/01/reference-output/database/properties b/t/data/engine/parse_yaml/01/reference-output/database/properties
index 3d928596..b4baa393 100644
--- a/t/data/engine/parse_yaml/01/reference-output/database/properties
+++ b/t/data/engine/parse_yaml/01/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6
     4     5 ts:1:test:count 6
     5     6 usn:1:test 19
-    6     7 ts:1:test e80ba7ea04a5ad7cecc59399ef00c730
+    6     7 ts:1:test 4e142c640b9cbe3e3f1fec3f11241efc
     7     8 target:1:test_job:test d6300d865d6b3ead5d0fff503c5da8f6
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 9cc74248d8061fa6f550c68594c2abbf
     10    11 source:ts:1:test_job:test
-          e80ba7ea04a5ad7cecc59399ef00c730
+          4e142c640b9cbe3e3f1fec3f11241efc
     11    12 job-hash:test_namespace:test_job
           5d294bd2d4e458a8f98ac0d3ebaec1ff
     12    13 job-plugin:test_namespace:test_job parse_yaml.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_yaml/01/reference-output/po/test/strings.yml.po b/t/data/engine/parse_yaml/01/reference-output/po/test/strings.yml.po
index 04617693..ef597930 100644
--- a/t/data/engine/parse_yaml/01/reference-output/po/test/strings.yml.po
+++ b/t/data/engine/parse_yaml/01/reference-output/po/test/strings.yml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. /baz
 #: File: strings.yml
diff --git a/t/data/engine/parse_yaml/02/reference-output/database/properties b/t/data/engine/parse_yaml/02/reference-output/database/properties
index 83ea44fa..b483a4fe 100644
--- a/t/data/engine/parse_yaml/02/reference-output/database/properties
+++ b/t/data/engine/parse_yaml/02/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4
     4     5 ts:1:test:count 4
     5     6 usn:1:test 13
-    6     7 ts:1:test a3d6d8b5d1deb343773a92f868faf4c7
+    6     7 ts:1:test f439c4b898d2c5e26065bed229189dea
     7     8 target:1:test_job:test a34ea2a7ab5b90067203f0ea6313247f
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 9931e2731aec2b1d56f564b338cd1c59
     10    11 source:ts:1:test_job:test
-          a3d6d8b5d1deb343773a92f868faf4c7
+          f439c4b898d2c5e26065bed229189dea
     11    12 job-hash:test_namespace:test_job
           bb49f386f1365b2d0eb0acddcc8e3fca
     12    13 job-plugin:test_namespace:test_job parse_yaml.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/parse_yaml/02/reference-output/po/test/strings.yml.po b/t/data/engine/parse_yaml/02/reference-output/po/test/strings.yml.po
index ef083e9a..f80013d0 100644
--- a/t/data/engine/parse_yaml/02/reference-output/po/test/strings.yml.po
+++ b/t/data/engine/parse_yaml/02/reference-output/po/test/strings.yml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. /messages/baz
 #: File: strings.yml
diff --git a/t/data/engine/process_if/00/reference-output/database/properties b/t/data/engine/process_if/00/reference-output/database/properties
index fbe9ac6d..344f390c 100644
--- a/t/data/engine/process_if/00/reference-output/database/properties
+++ b/t/data/engine/process_if/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1
     4     5 ts:1:test:count 1
     5     6 usn:1:test 4
-    6     7 ts:1:test 43daf383aca04fdb489be08b6f2874ee
+    6     7 ts:1:test 3bcafc18ce6c295d34d12e54c19d5502
     7     8 target:1:test_job:test e15c7494d4ebe63eaa9ff964a3231398
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test d030501b7df107a2a9b9e879edfaef02
     10    11 source:ts:1:test_job:test
-          43daf383aca04fdb489be08b6f2874ee
+          3bcafc18ce6c295d34d12e54c19d5502
     11    12 job-hash:test_namespace:test_job
           9a46fc56716467a025edd7b340bacb00
     12    13 job-plugin:test_namespace:test_job parse_android.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/process_if/00/reference-output/po/test/strings.xml.po b/t/data/engine/process_if/00/reference-output/po/test/strings.xml.po
index aa30f733..ceb2bc9d 100644
--- a/t/data/engine/process_if/00/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/process_if/00/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string2
 #: File: strings.xml
diff --git a/t/data/engine/process_if/01/reference-output/database/properties b/t/data/engine/process_if/01/reference-output/database/properties
index 3ec4a5d6..a354cbf7 100644
--- a/t/data/engine/process_if/01/reference-output/database/properties
+++ b/t/data/engine/process_if/01/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2
     4     5 ts:1:test:count 2
     5     6 usn:1:test 7
-    6     7 ts:1:test 3619976d9ad700402f10fea84bde82f7
+    6     7 ts:1:test 99cafbb4104fc8011bb4244c85de6d9f
     7     8 target:1:test_job:test a8d42b1bf61bce766aee0fbee7105b35
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 2fbf1473c41aec85069a0812a6139207
     10    11 source:ts:1:test_job:test
-          3619976d9ad700402f10fea84bde82f7
+          99cafbb4104fc8011bb4244c85de6d9f
     11    12 job-hash:test_namespace:test_job
           0f02858047329ce757132de74cf55a8b
     12    13 job-plugin:test_namespace:test_job metaparser.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/process_if/01/reference-output/po/test/sample.ini.po b/t/data/engine/process_if/01/reference-output/po/test/sample.ini.po
index 31d894cc..fc0249ac 100644
--- a/t/data/engine/process_if/01/reference-output/po/test/sample.ini.po
+++ b/t/data/engine/process_if/01/reference-output/po/test/sample.ini.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. foo
 #: File: sample.ini
diff --git a/t/data/engine/replace_strings/00/reference-output/database/properties b/t/data/engine/replace_strings/00/reference-output/database/properties
index b6e3b32d..982407af 100644
--- a/t/data/engine/replace_strings/00/reference-output/database/properties
+++ b/t/data/engine/replace_strings/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7
     4     5 ts:1:test:count 7
     5     6 usn:1:test 18
-    6     7 ts:1:test 6ff0e36699a3eb1ae0971b7765d7ac92
+    6     7 ts:1:test cf39fd7eea73c23885c380f321f1a09b
     7     8 target:1:test_job:test 857f20e116767d68a74bd912a1cd92bc
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test d030501b7df107a2a9b9e879edfaef02
     10    11 source:ts:1:test_job:test
-          6ff0e36699a3eb1ae0971b7765d7ac92
+          cf39fd7eea73c23885c380f321f1a09b
     11    12 job-hash:test_namespace:test_job
           bae11f8a9a9ac25bea650030717492b0
     12    13 job-plugin:test_namespace:test_job parse_android.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/replace_strings/00/reference-output/po/test/strings.xml.po b/t/data/engine/replace_strings/00/reference-output/po/test/strings.xml.po
index f0d1df42..40c2658d 100644
--- a/t/data/engine/replace_strings/00/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/replace_strings/00/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/replace_strings/01/reference-output/database/properties b/t/data/engine/replace_strings/01/reference-output/database/properties
index 909ec10d..8675055c 100644
--- a/t/data/engine/replace_strings/01/reference-output/database/properties
+++ b/t/data/engine/replace_strings/01/reference-output/database/properties
@@ -10,24 +10,24 @@ properties
     7     8 items:2 2
     8     9 ts:1:test:count 1
     9     10 usn:1:test 7
-    10    11 ts:1:test c9c7edafc89308f5f89b53b648ef57ad
+    10    11 ts:1:test 0293a4fc089c2044ecf700b9390f783b
     11    12 ts:2:test:count 1
     12    13 usn:2:test 8
-    13    14 ts:2:test 0a9791f1b838926da56be82418241b6c
+    13    14 ts:2:test 3ff44d4b041d05b97b174d094d3fb5fa
     14    15 target:1:test_job:test 9d51d0ad35137ce875848e396ded0582
     15    16 target:mtime:1:test_job:test 12345678
     16    17 source:1:test_job:test 74655bbb90690672e4fb609578094e49
     17    18 source:ts:1:test_job:test
-          c9c7edafc89308f5f89b53b648ef57ad
+          0293a4fc089c2044ecf700b9390f783b
     18    19 target:2:test_job:test e8de3fe01fc8b610e715c94d6821538f
     19    20 target:mtime:2:test_job:test 12345678
     20    21 source:2:test_job:test 8e54bc64616f7040bfe7084fbaf95639
     21    22 source:ts:2:test_job:test
-          0a9791f1b838926da56be82418241b6c
+          3ff44d4b041d05b97b174d094d3fb5fa
     22    23 job-hash:test_namespace:test_job
           344cb6e3b253f9777e4335e58e54f16f
     23    24 job-plugin:test_namespace:test_job parse_android.
     24    25 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    25    26 job-engine:test_namespace:test_job 1.3.2
+    25    26 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/replace_strings/01/reference-output/po/test/strings1.xml.po b/t/data/engine/replace_strings/01/reference-output/po/test/strings1.xml.po
index 18809248..f8571c03 100644
--- a/t/data/engine/replace_strings/01/reference-output/po/test/strings1.xml.po
+++ b/t/data/engine/replace_strings/01/reference-output/po/test/strings1.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings1.xml
diff --git a/t/data/engine/replace_strings/01/reference-output/po/test/strings2.xml.po b/t/data/engine/replace_strings/01/reference-output/po/test/strings2.xml.po
index 76b6ed30..4c37fe3d 100644
--- a/t/data/engine/replace_strings/01/reference-output/po/test/strings2.xml.po
+++ b/t/data/engine/replace_strings/01/reference-output/po/test/strings2.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string2
 #: File: strings2.xml
diff --git a/t/data/engine/replace_strings/02/reference-output/database/properties b/t/data/engine/replace_strings/02/reference-output/database/properties
index a40c63dd..0ee32b5f 100644
--- a/t/data/engine/replace_strings/02/reference-output/database/properties
+++ b/t/data/engine/replace_strings/02/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7
     4     5 ts:1:test:count 7
     5     6 usn:1:test 18
-    6     7 ts:1:test 1037f131bd58cfef6d42cc72cea80ec3
+    6     7 ts:1:test 8f68afc461eb11c08491b96d5eaf8c6c
     7     8 target:1:test_job:test 43c7d6564d1970bcdbb6341de26135c5
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test d030501b7df107a2a9b9e879edfaef02
     10    11 source:ts:1:test_job:test
-          1037f131bd58cfef6d42cc72cea80ec3
+          8f68afc461eb11c08491b96d5eaf8c6c
     11    12 job-hash:test_namespace:test_job
           7552fe625a66c00186f0adf0cdddc48a
     12    13 job-plugin:test_namespace:test_job parse_android.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/replace_strings/02/reference-output/po/test/strings.xml.po b/t/data/engine/replace_strings/02/reference-output/po/test/strings.xml.po
index fa17d9b0..a914cd81 100644
--- a/t/data/engine/replace_strings/02/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/replace_strings/02/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/replace_strings/03/reference-output/database/properties b/t/data/engine/replace_strings/03/reference-output/database/properties
index c8fb4c4d..c44b44e4 100644
--- a/t/data/engine/replace_strings/03/reference-output/database/properties
+++ b/t/data/engine/replace_strings/03/reference-output/database/properties
@@ -10,24 +10,24 @@ properties
     7     8 items:2 2
     8     9 ts:1:test:count 1
     9     10 usn:1:test 7
-    10    11 ts:1:test c9c7edafc89308f5f89b53b648ef57ad
+    10    11 ts:1:test 0293a4fc089c2044ecf700b9390f783b
     11    12 ts:2:test:count 1
     12    13 usn:2:test 8
-    13    14 ts:2:test 0a9791f1b838926da56be82418241b6c
+    13    14 ts:2:test 3ff44d4b041d05b97b174d094d3fb5fa
     14    15 target:1:test_job:test 9d51d0ad35137ce875848e396ded0582
     15    16 target:mtime:1:test_job:test 12345678
     16    17 source:1:test_job:test 74655bbb90690672e4fb609578094e49
     17    18 source:ts:1:test_job:test
-          c9c7edafc89308f5f89b53b648ef57ad
+          0293a4fc089c2044ecf700b9390f783b
     18    19 target:2:test_job:test e8de3fe01fc8b610e715c94d6821538f
     19    20 target:mtime:2:test_job:test 12345678
     20    21 source:2:test_job:test 8e54bc64616f7040bfe7084fbaf95639
     21    22 source:ts:2:test_job:test
-          0a9791f1b838926da56be82418241b6c
+          3ff44d4b041d05b97b174d094d3fb5fa
     22    23 job-hash:test_namespace:test_job
           87f2049510118bdc01979e1fda3f0417
     23    24 job-plugin:test_namespace:test_job parse_android.
     24    25 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    25    26 job-engine:test_namespace:test_job 1.3.2
+    25    26 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/replace_strings/03/reference-output/po/test/ts1.po b/t/data/engine/replace_strings/03/reference-output/po/test/ts1.po
index 18809248..f8571c03 100644
--- a/t/data/engine/replace_strings/03/reference-output/po/test/ts1.po
+++ b/t/data/engine/replace_strings/03/reference-output/po/test/ts1.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings1.xml
diff --git a/t/data/engine/replace_strings/03/reference-output/po/test/ts2.po b/t/data/engine/replace_strings/03/reference-output/po/test/ts2.po
index 76b6ed30..4c37fe3d 100644
--- a/t/data/engine/replace_strings/03/reference-output/po/test/ts2.po
+++ b/t/data/engine/replace_strings/03/reference-output/po/test/ts2.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string2
 #: File: strings2.xml
diff --git a/t/data/engine/replace_strings/04/reference-output/database/properties b/t/data/engine/replace_strings/04/reference-output/database/properties
index ff8dfab7..d1b77a10 100644
--- a/t/data/engine/replace_strings/04/reference-output/database/properties
+++ b/t/data/engine/replace_strings/04/reference-output/database/properties
@@ -6,15 +6,15 @@ properties
     3     4 items:1 1,2
     4     5 ts:1:de:count 2
     5     6 usn:1:de 7
-    6     7 ts:1:de 0e7d99e2d2cacb38655e2c7a05406ba0
+    6     7 ts:1:de 144e6ce7b11670a49b771770f847515a
     7     8 target:1:test_job:de b276e029e63b9c9a78a4f7fec2217c47
     8     9 target:mtime:1:test_job:de 12345678
     9     10 source:1:test_job:de 96c50d7922c51cd36f0132fdd83cb174
-    10    11 source:ts:1:test_job:de 0e7d99e2d2cacb38655e2c7a05406ba0
+    10    11 source:ts:1:test_job:de 144e6ce7b11670a49b771770f847515a
     11    12 job-hash:test_namespace:test_job
           e2511fa70af4b67a38d1fdaef68acee6
     12    13 job-plugin:test_namespace:test_job parse_keyvalue.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/replace_strings/04/reference-output/po/de/strings.txt.po b/t/data/engine/replace_strings/04/reference-output/po/de/strings.txt.po
index f71c6625..407ae263 100644
--- a/t/data/engine/replace_strings/04/reference-output/po/de/strings.txt.po
+++ b/t/data/engine/replace_strings/04/reference-output/po/de/strings.txt.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: de\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. first
 #: File: strings.txt
diff --git a/t/data/engine/replace_strings/05/reference-output/database/properties b/t/data/engine/replace_strings/05/reference-output/database/properties
index 1233210a..084a335d 100644
--- a/t/data/engine/replace_strings/05/reference-output/database/properties
+++ b/t/data/engine/replace_strings/05/reference-output/database/properties
@@ -6,15 +6,15 @@ properties
     3     4 items:1 1,2
     4     5 ts:1:de:count 2
     5     6 usn:1:de 5
-    6     7 ts:1:de 8f6bd9c724885f937fdaf5aa2228a12c
+    6     7 ts:1:de 6f68039d98f8b88d2ae0871275ee2f37
     7     8 target:1:test_job:de 96c50d7922c51cd36f0132fdd83cb174
     8     9 target:mtime:1:test_job:de 12345678
     9     10 source:1:test_job:de 96c50d7922c51cd36f0132fdd83cb174
-    10    11 source:ts:1:test_job:de 8f6bd9c724885f937fdaf5aa2228a12c
+    10    11 source:ts:1:test_job:de 6f68039d98f8b88d2ae0871275ee2f37
     11    12 job-hash:test_namespace:test_job
           3a5ee0053dd176d1ac085aa50ed5c74a
     12    13 job-plugin:test_namespace:test_job parse_keyvalue.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/replace_strings/05/reference-output/po/de/strings.txt.po b/t/data/engine/replace_strings/05/reference-output/po/de/strings.txt.po
index 2c3cf116..ff9558de 100644
--- a/t/data/engine/replace_strings/05/reference-output/po/de/strings.txt.po
+++ b/t/data/engine/replace_strings/05/reference-output/po/de/strings.txt.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: de\n"
-"Generated-By: Serge\n"
+"Generated-By: Serge 1.4\n"
 
 #. first
 #: File: strings.txt
diff --git a/t/data/engine/replace_strings/06/reference-output/database/properties b/t/data/engine/replace_strings/06/reference-output/database/properties
index 03651811..51cf69cb 100644
--- a/t/data/engine/replace_strings/06/reference-output/database/properties
+++ b/t/data/engine/replace_strings/06/reference-output/database/properties
@@ -6,23 +6,23 @@ properties
     3     4 items:1 1,2
     4     5 ts:1:pt:count 2
     5     6 usn:1:pt 5
-    6     7 ts:1:pt 721c91c35f2ee62152b5c695fd097034
+    6     7 ts:1:pt df7bebfcc38bc1b208f00c8c37713904
     7     8 ts:1:pt-br:count 2
     8     9 usn:1:pt-br 5
-    9     10 ts:1:pt-br b70ee6687e2c57fe05d53cae2cb20ff0
+    9     10 ts:1:pt-br 1d7370f69097de92d9f51dc759cd4831
     10    11 target:1:test_job:pt f823c1507bbcc34d780a73e1a28b3670
     11    12 target:mtime:1:test_job:pt 12345678
     12    13 source:1:test_job:pt d4a91dffc601bf971c81d3c22fefbf3d
-    13    14 source:ts:1:test_job:pt 721c91c35f2ee62152b5c695fd097034
+    13    14 source:ts:1:test_job:pt df7bebfcc38bc1b208f00c8c37713904
     14    15 target:1:test_job:pt-br d5f1e9029e561f2c4d8cf6c169f13a8c
     15    16 target:mtime:1:test_job:pt-br 12345678
     16    17 source:1:test_job:pt-br d4a91dffc601bf971c81d3c22fefbf3d
     17    18 source:ts:1:test_job:pt-br
-          b70ee6687e2c57fe05d53cae2cb20ff0
+          1d7370f69097de92d9f51dc759cd4831
     18    19 job-hash:test_namespace:test_job
           bff84e167a8d7007c3621ce7966620fd
     19    20 job-plugin:test_namespace:test_job parse_keyvalue.
     20    21 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    21    22 job-engine:test_namespace:test_job 1.3.2
+    21    22 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/replace_strings/06/reference-output/po/pt/strings.txt.po b/t/data/engine/replace_strings/06/reference-output/po/pt/strings.txt.po
index db90b2c5..04a0f452 100644
--- a/t/data/engine/replace_strings/06/reference-output/po/pt/strings.txt.po
+++ b/t/data/engine/replace_strings/06/reference-output/po/pt/strings.txt.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: pt\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. first
 #: File: strings.txt
diff --git a/t/data/engine/replace_strings/06/reference-output/po/pt_BR/strings.txt.po b/t/data/engine/replace_strings/06/reference-output/po/pt_BR/strings.txt.po
index 3547a013..88278950 100644
--- a/t/data/engine/replace_strings/06/reference-output/po/pt_BR/strings.txt.po
+++ b/t/data/engine/replace_strings/06/reference-output/po/pt_BR/strings.txt.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: pt_BR\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. first
 #: File: strings.txt
diff --git a/t/data/engine/reuse_options/00/reference-output/database/properties b/t/data/engine/reuse_options/00/reference-output/database/properties
index c4d006ec..91cd984e 100644
--- a/t/data/engine/reuse_options/00/reference-output/database/properties
+++ b/t/data/engine/reuse_options/00/reference-output/database/properties
@@ -6,30 +6,30 @@ properties
     3     4 items:1 1
     4     5 ts:1:test:count 1
     5     6 usn:1:test 4
-    6     7 ts:1:test 3a12287c55aae9717eefabbf036ec71d
+    6     7 ts:1:test 73811e5040db8ba224d692dcb706d56a
     7     8 target:1:step1:test 8b4d890d31531459c67e0d4ec801c2fd
     8     9 target:mtime:1:step1:test 12345678
     9     10 source:1:step1:test 13dfe84a1b6cd1c924a6045fce891ac8
-    10    11 source:ts:1:step1:test 3a12287c55aae9717eefabbf036ec71d
+    10    11 source:ts:1:step1:test 73811e5040db8ba224d692dcb706d56a
     11    12 job-hash:test_namespace:step1
           12f246c8c73b2532c6578d03c76c37dd
     12    13 job-plugin:test_namespace:step1 parse_properties.
     13    14 job-serializer-plugin:test_namespace:step1 serialize_po.
-    14    15 job-engine:test_namespace:step1 1.3.2
+    14    15 job-engine:test_namespace:step1 1.4
     15    16 source:2 13dfe84a1b6cd1c924a6045fce891ac8
     16    17 hash:2 13dfe84a1b6cd1c924a6045fce891ac8
     17    18 size:2 22
     18    19 items:2 2
     19    20 ts:2:test:count 1
     20    21 usn:2:test 7
-    21    22 ts:2:test 0be3f84970e5badb66d27f48e2e41a90
+    21    22 ts:2:test 5cf692ce6352c391646facc9e42dd51e
     22    23 target:2:step2:test 8b4d890d31531459c67e0d4ec801c2fd
     23    24 target:mtime:2:step2:test 12345678
     24    25 source:2:step2:test 13dfe84a1b6cd1c924a6045fce891ac8
-    25    26 source:ts:2:step2:test 0be3f84970e5badb66d27f48e2e41a90
+    25    26 source:ts:2:step2:test 5cf692ce6352c391646facc9e42dd51e
     26    27 job-hash:test_namespace:step2
           0b463b678e038baba77502cf5b21bfdd
     27    28 job-plugin:test_namespace:step2 parse_properties.
     28    29 job-serializer-plugin:test_namespace:step2 serialize_po.
-    29    30 job-engine:test_namespace:step2 1.3.2
+    29    30 job-engine:test_namespace:step2 1.4
 }
diff --git a/t/data/engine/reuse_options/00/reference-output/po/test/1.properties.po b/t/data/engine/reuse_options/00/reference-output/po/test/1.properties.po
index 67e25ae0..0777171c 100644
--- a/t/data/engine/reuse_options/00/reference-output/po/test/1.properties.po
+++ b/t/data/engine/reuse_options/00/reference-output/po/test/1.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 1.properties
diff --git a/t/data/engine/reuse_options/00/reference-output/po/test/2.properties.po b/t/data/engine/reuse_options/00/reference-output/po/test/2.properties.po
index c7c2b7cb..df3eda7e 100644
--- a/t/data/engine/reuse_options/00/reference-output/po/test/2.properties.po
+++ b/t/data/engine/reuse_options/00/reference-output/po/test/2.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 2.properties
diff --git a/t/data/engine/reuse_options/01/reference-output/database/properties b/t/data/engine/reuse_options/01/reference-output/database/properties
index de405738..2bb78465 100644
--- a/t/data/engine/reuse_options/01/reference-output/database/properties
+++ b/t/data/engine/reuse_options/01/reference-output/database/properties
@@ -6,30 +6,30 @@ properties
     3     4 items:1 1
     4     5 ts:1:test:count 1
     5     6 usn:1:test 4
-    6     7 ts:1:test 3a12287c55aae9717eefabbf036ec71d
+    6     7 ts:1:test 73811e5040db8ba224d692dcb706d56a
     7     8 target:1:step1:test 8b4d890d31531459c67e0d4ec801c2fd
     8     9 target:mtime:1:step1:test 12345678
     9     10 source:1:step1:test 13dfe84a1b6cd1c924a6045fce891ac8
-    10    11 source:ts:1:step1:test 3a12287c55aae9717eefabbf036ec71d
+    10    11 source:ts:1:step1:test 73811e5040db8ba224d692dcb706d56a
     11    12 job-hash:test_namespace:step1
           12f246c8c73b2532c6578d03c76c37dd
     12    13 job-plugin:test_namespace:step1 parse_properties.
     13    14 job-serializer-plugin:test_namespace:step1 serialize_po.
-    14    15 job-engine:test_namespace:step1 1.3.2
+    14    15 job-engine:test_namespace:step1 1.4
     15    16 source:2 13dfe84a1b6cd1c924a6045fce891ac8
     16    17 hash:2 13dfe84a1b6cd1c924a6045fce891ac8
     17    18 size:2 22
     18    19 items:2 2
     19    20 ts:2:test:count 1
     20    21 usn:2:test 6
-    21    22 ts:2:test fe7a79c3f0d149eecfac3fb183943ba9
+    21    22 ts:2:test 9810cb1956e208863c7289a1cae9136c
     22    23 target:2:step2:test 13dfe84a1b6cd1c924a6045fce891ac8
     23    24 target:mtime:2:step2:test 12345678
     24    25 source:2:step2:test 13dfe84a1b6cd1c924a6045fce891ac8
-    25    26 source:ts:2:step2:test fe7a79c3f0d149eecfac3fb183943ba9
+    25    26 source:ts:2:step2:test 9810cb1956e208863c7289a1cae9136c
     26    27 job-hash:test_namespace:step2
           d972ad66489c0d219868ee7f0c1d452b
     27    28 job-plugin:test_namespace:step2 parse_properties.
     28    29 job-serializer-plugin:test_namespace:step2 serialize_po.
-    29    30 job-engine:test_namespace:step2 1.3.2
+    29    30 job-engine:test_namespace:step2 1.4
 }
diff --git a/t/data/engine/reuse_options/01/reference-output/po/test/1.properties.po b/t/data/engine/reuse_options/01/reference-output/po/test/1.properties.po
index 67e25ae0..0777171c 100644
--- a/t/data/engine/reuse_options/01/reference-output/po/test/1.properties.po
+++ b/t/data/engine/reuse_options/01/reference-output/po/test/1.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 1.properties
diff --git a/t/data/engine/reuse_options/01/reference-output/po/test/2.properties.po b/t/data/engine/reuse_options/01/reference-output/po/test/2.properties.po
index 7ebf5755..878b53e7 100644
--- a/t/data/engine/reuse_options/01/reference-output/po/test/2.properties.po
+++ b/t/data/engine/reuse_options/01/reference-output/po/test/2.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 2.properties
diff --git a/t/data/engine/reuse_options/02/reference-output/database/properties b/t/data/engine/reuse_options/02/reference-output/database/properties
index da039864..2cd7a86c 100644
--- a/t/data/engine/reuse_options/02/reference-output/database/properties
+++ b/t/data/engine/reuse_options/02/reference-output/database/properties
@@ -6,30 +6,30 @@ properties
     3     4 items:1 1
     4     5 ts:1:test:count 1
     5     6 usn:1:test 4
-    6     7 ts:1:test 3a12287c55aae9717eefabbf036ec71d
+    6     7 ts:1:test 73811e5040db8ba224d692dcb706d56a
     7     8 target:1:step1:test 8b4d890d31531459c67e0d4ec801c2fd
     8     9 target:mtime:1:step1:test 12345678
     9     10 source:1:step1:test 13dfe84a1b6cd1c924a6045fce891ac8
-    10    11 source:ts:1:step1:test 3a12287c55aae9717eefabbf036ec71d
+    10    11 source:ts:1:step1:test 73811e5040db8ba224d692dcb706d56a
     11    12 job-hash:test_namespace:step1
           12f246c8c73b2532c6578d03c76c37dd
     12    13 job-plugin:test_namespace:step1 parse_properties.
     13    14 job-serializer-plugin:test_namespace:step1 serialize_po.
-    14    15 job-engine:test_namespace:step1 1.3.2
+    14    15 job-engine:test_namespace:step1 1.4
     15    16 source:2 13dfe84a1b6cd1c924a6045fce891ac8
     16    17 hash:2 13dfe84a1b6cd1c924a6045fce891ac8
     17    18 size:2 22
     18    19 items:2 2
     19    20 ts:2:test:count 1
     20    21 usn:2:test 7
-    21    22 ts:2:test a79270af97242b3a1a9b0d4fb8f91413
+    21    22 ts:2:test 7855e8249f132fa3d71579033eabd1d0
     22    23 target:2:step2:test 8b4d890d31531459c67e0d4ec801c2fd
     23    24 target:mtime:2:step2:test 12345678
     24    25 source:2:step2:test 13dfe84a1b6cd1c924a6045fce891ac8
-    25    26 source:ts:2:step2:test a79270af97242b3a1a9b0d4fb8f91413
+    25    26 source:ts:2:step2:test 7855e8249f132fa3d71579033eabd1d0
     26    27 job-hash:test_namespace:step2
           dd89c4efee517e3c581e606bd8b61d48
     27    28 job-plugin:test_namespace:step2 parse_properties.
     28    29 job-serializer-plugin:test_namespace:step2 serialize_po.
-    29    30 job-engine:test_namespace:step2 1.3.2
+    29    30 job-engine:test_namespace:step2 1.4
 }
diff --git a/t/data/engine/reuse_options/02/reference-output/po/test/1.properties.po b/t/data/engine/reuse_options/02/reference-output/po/test/1.properties.po
index 67e25ae0..0777171c 100644
--- a/t/data/engine/reuse_options/02/reference-output/po/test/1.properties.po
+++ b/t/data/engine/reuse_options/02/reference-output/po/test/1.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 1.properties
diff --git a/t/data/engine/reuse_options/02/reference-output/po/test/2.properties.po b/t/data/engine/reuse_options/02/reference-output/po/test/2.properties.po
index 2d64c8bf..3d1557da 100644
--- a/t/data/engine/reuse_options/02/reference-output/po/test/2.properties.po
+++ b/t/data/engine/reuse_options/02/reference-output/po/test/2.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 2.properties
diff --git a/t/data/engine/reuse_options/03/reference-output/database/properties b/t/data/engine/reuse_options/03/reference-output/database/properties
index 693f9d4d..fd3da4e6 100644
--- a/t/data/engine/reuse_options/03/reference-output/database/properties
+++ b/t/data/engine/reuse_options/03/reference-output/database/properties
@@ -6,46 +6,46 @@ properties
     3     4 items:1 1
     4     5 ts:1:test:count 1
     5     6 usn:1:test 4
-    6     7 ts:1:test b3d1eea4c0c1e1ae7471829cca91fbb8
+    6     7 ts:1:test 92acd610ee8d990395fe2d545fdebf74
     7     8 target:1:step1:test 27218705037113f31fd9b29e7164057d
     8     9 target:mtime:1:step1:test 12345678
     9     10 source:1:step1:test 13dfe84a1b6cd1c924a6045fce891ac8
-    10    11 source:ts:1:step1:test b3d1eea4c0c1e1ae7471829cca91fbb8
+    10    11 source:ts:1:step1:test 92acd610ee8d990395fe2d545fdebf74
     11    12 job-hash:test_namespace:step1
           64384c4bbefcff303dc8b347d0944de3
     12    13 job-plugin:test_namespace:step1 parse_properties.
     13    14 job-serializer-plugin:test_namespace:step1 serialize_po.
-    14    15 job-engine:test_namespace:step1 1.3.2
+    14    15 job-engine:test_namespace:step1 1.4
     15    16 source:2 13dfe84a1b6cd1c924a6045fce891ac8
     16    17 hash:2 13dfe84a1b6cd1c924a6045fce891ac8
     17    18 size:2 22
     18    19 items:2 2
     19    20 ts:2:test:count 1
     20    21 usn:2:test 7
-    21    22 ts:2:test e7a912d404f07279c035a317589fbde7
+    21    22 ts:2:test 984f80e031091055bf2d120ae162c7ec
     22    23 target:2:step2:test b364e01f7202dc7fa7d0f1aed6cf600d
     23    24 target:mtime:2:step2:test 12345678
     24    25 source:2:step2:test 13dfe84a1b6cd1c924a6045fce891ac8
-    25    26 source:ts:2:step2:test e7a912d404f07279c035a317589fbde7
+    25    26 source:ts:2:step2:test 984f80e031091055bf2d120ae162c7ec
     26    27 job-hash:test_namespace:step2
           ec86ffdf820e4291b1b83562fa1c1b2f
     27    28 job-plugin:test_namespace:step2 parse_properties.
     28    29 job-serializer-plugin:test_namespace:step2 serialize_po.
-    29    30 job-engine:test_namespace:step2 1.3.2
+    29    30 job-engine:test_namespace:step2 1.4
     30    31 source:3 13dfe84a1b6cd1c924a6045fce891ac8
     31    32 hash:3 13dfe84a1b6cd1c924a6045fce891ac8
     32    33 size:3 22
     33    34 items:3 3
     34    35 ts:3:test:count 1
     35    36 usn:3:test 9
-    36    37 ts:3:test a8c427fc480be822a9cf5cb707160c3c
+    36    37 ts:3:test 9ac09b0bb83f99ab7bda5eb2897b02cb
     37    38 target:3:step3:test 13dfe84a1b6cd1c924a6045fce891ac8
     38    39 target:mtime:3:step3:test 12345678
     39    40 source:3:step3:test 13dfe84a1b6cd1c924a6045fce891ac8
-    40    41 source:ts:3:step3:test a8c427fc480be822a9cf5cb707160c3c
+    40    41 source:ts:3:step3:test 9ac09b0bb83f99ab7bda5eb2897b02cb
     41    42 job-hash:test_namespace:step3
           8ba0095e8ea2ebcf9c520f69521498ed
     42    43 job-plugin:test_namespace:step3 parse_properties.
     43    44 job-serializer-plugin:test_namespace:step3 serialize_po.
-    44    45 job-engine:test_namespace:step3 1.3.2
+    44    45 job-engine:test_namespace:step3 1.4
 }
diff --git a/t/data/engine/reuse_options/03/reference-output/po/test/1.properties.po b/t/data/engine/reuse_options/03/reference-output/po/test/1.properties.po
index a934d6c5..da17d243 100644
--- a/t/data/engine/reuse_options/03/reference-output/po/test/1.properties.po
+++ b/t/data/engine/reuse_options/03/reference-output/po/test/1.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 1.properties
diff --git a/t/data/engine/reuse_options/03/reference-output/po/test/2.properties.po b/t/data/engine/reuse_options/03/reference-output/po/test/2.properties.po
index 237f8b5a..cbd11918 100644
--- a/t/data/engine/reuse_options/03/reference-output/po/test/2.properties.po
+++ b/t/data/engine/reuse_options/03/reference-output/po/test/2.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 2.properties
diff --git a/t/data/engine/reuse_options/03/reference-output/po/test/3.properties.po b/t/data/engine/reuse_options/03/reference-output/po/test/3.properties.po
index d43a040e..7f0dca18 100644
--- a/t/data/engine/reuse_options/03/reference-output/po/test/3.properties.po
+++ b/t/data/engine/reuse_options/03/reference-output/po/test/3.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 3.properties
diff --git a/t/data/engine/reuse_options/04/reference-output/database/properties b/t/data/engine/reuse_options/04/reference-output/database/properties
index 31d776a3..31487d25 100644
--- a/t/data/engine/reuse_options/04/reference-output/database/properties
+++ b/t/data/engine/reuse_options/04/reference-output/database/properties
@@ -6,46 +6,46 @@ properties
     3     4 items:1 1
     4     5 ts:1:test:count 1
     5     6 usn:1:test 4
-    6     7 ts:1:test b3d1eea4c0c1e1ae7471829cca91fbb8
+    6     7 ts:1:test 92acd610ee8d990395fe2d545fdebf74
     7     8 target:1:step1:test 27218705037113f31fd9b29e7164057d
     8     9 target:mtime:1:step1:test 12345678
     9     10 source:1:step1:test 13dfe84a1b6cd1c924a6045fce891ac8
-    10    11 source:ts:1:step1:test b3d1eea4c0c1e1ae7471829cca91fbb8
+    10    11 source:ts:1:step1:test 92acd610ee8d990395fe2d545fdebf74
     11    12 job-hash:test_namespace:step1
           64384c4bbefcff303dc8b347d0944de3
     12    13 job-plugin:test_namespace:step1 parse_properties.
     13    14 job-serializer-plugin:test_namespace:step1 serialize_po.
-    14    15 job-engine:test_namespace:step1 1.3.2
+    14    15 job-engine:test_namespace:step1 1.4
     15    16 source:2 13dfe84a1b6cd1c924a6045fce891ac8
     16    17 hash:2 13dfe84a1b6cd1c924a6045fce891ac8
     17    18 size:2 22
     18    19 items:2 2
     19    20 ts:2:test:count 1
     20    21 usn:2:test 7
-    21    22 ts:2:test e7a912d404f07279c035a317589fbde7
+    21    22 ts:2:test 984f80e031091055bf2d120ae162c7ec
     22    23 target:2:step2:test b364e01f7202dc7fa7d0f1aed6cf600d
     23    24 target:mtime:2:step2:test 12345678
     24    25 source:2:step2:test 13dfe84a1b6cd1c924a6045fce891ac8
-    25    26 source:ts:2:step2:test e7a912d404f07279c035a317589fbde7
+    25    26 source:ts:2:step2:test 984f80e031091055bf2d120ae162c7ec
     26    27 job-hash:test_namespace:step2
           ec86ffdf820e4291b1b83562fa1c1b2f
     27    28 job-plugin:test_namespace:step2 parse_properties.
     28    29 job-serializer-plugin:test_namespace:step2 serialize_po.
-    29    30 job-engine:test_namespace:step2 1.3.2
+    29    30 job-engine:test_namespace:step2 1.4
     30    31 source:3 13dfe84a1b6cd1c924a6045fce891ac8
     31    32 hash:3 13dfe84a1b6cd1c924a6045fce891ac8
     32    33 size:3 22
     33    34 items:3 3
     34    35 ts:3:test:count 1
     35    36 usn:3:test 10
-    36    37 ts:3:test 7f5f22312280e7f9c330eb74327cbcc4
+    36    37 ts:3:test 93a9e7e01b6098cd4ed0b38f8df1cb81
     37    38 target:3:step3:test 27218705037113f31fd9b29e7164057d
     38    39 target:mtime:3:step3:test 12345678
     39    40 source:3:step3:test 13dfe84a1b6cd1c924a6045fce891ac8
-    40    41 source:ts:3:step3:test 7f5f22312280e7f9c330eb74327cbcc4
+    40    41 source:ts:3:step3:test 93a9e7e01b6098cd4ed0b38f8df1cb81
     41    42 job-hash:test_namespace:step3
           05c960a7816fe57b7ac52a2ed8270082
     42    43 job-plugin:test_namespace:step3 parse_properties.
     43    44 job-serializer-plugin:test_namespace:step3 serialize_po.
-    44    45 job-engine:test_namespace:step3 1.3.2
+    44    45 job-engine:test_namespace:step3 1.4
 }
diff --git a/t/data/engine/reuse_options/04/reference-output/po/test/1.properties.po b/t/data/engine/reuse_options/04/reference-output/po/test/1.properties.po
index a934d6c5..da17d243 100644
--- a/t/data/engine/reuse_options/04/reference-output/po/test/1.properties.po
+++ b/t/data/engine/reuse_options/04/reference-output/po/test/1.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 1.properties
diff --git a/t/data/engine/reuse_options/04/reference-output/po/test/2.properties.po b/t/data/engine/reuse_options/04/reference-output/po/test/2.properties.po
index 237f8b5a..cbd11918 100644
--- a/t/data/engine/reuse_options/04/reference-output/po/test/2.properties.po
+++ b/t/data/engine/reuse_options/04/reference-output/po/test/2.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 2.properties
diff --git a/t/data/engine/reuse_options/04/reference-output/po/test/3.properties.po b/t/data/engine/reuse_options/04/reference-output/po/test/3.properties.po
index c3f3539e..b49ac007 100644
--- a/t/data/engine/reuse_options/04/reference-output/po/test/3.properties.po
+++ b/t/data/engine/reuse_options/04/reference-output/po/test/3.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 3.properties
diff --git a/t/data/engine/reuse_options/05/reference-output/database/properties b/t/data/engine/reuse_options/05/reference-output/database/properties
index f54fbd4d..ddf280f8 100644
--- a/t/data/engine/reuse_options/05/reference-output/database/properties
+++ b/t/data/engine/reuse_options/05/reference-output/database/properties
@@ -6,46 +6,46 @@ properties
     3     4 items:1 1
     4     5 ts:1:test:count 1
     5     6 usn:1:test 4
-    6     7 ts:1:test b3d1eea4c0c1e1ae7471829cca91fbb8
+    6     7 ts:1:test 92acd610ee8d990395fe2d545fdebf74
     7     8 target:1:step1:test 27218705037113f31fd9b29e7164057d
     8     9 target:mtime:1:step1:test 12345678
     9     10 source:1:step1:test 13dfe84a1b6cd1c924a6045fce891ac8
-    10    11 source:ts:1:step1:test b3d1eea4c0c1e1ae7471829cca91fbb8
+    10    11 source:ts:1:step1:test 92acd610ee8d990395fe2d545fdebf74
     11    12 job-hash:test_namespace:step1
           64384c4bbefcff303dc8b347d0944de3
     12    13 job-plugin:test_namespace:step1 parse_properties.
     13    14 job-serializer-plugin:test_namespace:step1 serialize_po.
-    14    15 job-engine:test_namespace:step1 1.3.2
+    14    15 job-engine:test_namespace:step1 1.4
     15    16 source:2 13dfe84a1b6cd1c924a6045fce891ac8
     16    17 hash:2 13dfe84a1b6cd1c924a6045fce891ac8
     17    18 size:2 22
     18    19 items:2 2
     19    20 ts:2:test:count 1
     20    21 usn:2:test 7
-    21    22 ts:2:test e7a912d404f07279c035a317589fbde7
+    21    22 ts:2:test 984f80e031091055bf2d120ae162c7ec
     22    23 target:2:step2:test b364e01f7202dc7fa7d0f1aed6cf600d
     23    24 target:mtime:2:step2:test 12345678
     24    25 source:2:step2:test 13dfe84a1b6cd1c924a6045fce891ac8
-    25    26 source:ts:2:step2:test e7a912d404f07279c035a317589fbde7
+    25    26 source:ts:2:step2:test 984f80e031091055bf2d120ae162c7ec
     26    27 job-hash:test_namespace:step2
           ec86ffdf820e4291b1b83562fa1c1b2f
     27    28 job-plugin:test_namespace:step2 parse_properties.
     28    29 job-serializer-plugin:test_namespace:step2 serialize_po.
-    29    30 job-engine:test_namespace:step2 1.3.2
+    29    30 job-engine:test_namespace:step2 1.4
     30    31 source:3 13dfe84a1b6cd1c924a6045fce891ac8
     31    32 hash:3 13dfe84a1b6cd1c924a6045fce891ac8
     32    33 size:3 22
     33    34 items:3 3
     34    35 ts:3:test:count 1
     35    36 usn:3:test 10
-    36    37 ts:3:test 595200d368c52f3608cb338cbc9908c3
+    36    37 ts:3:test 876c0ac1de416eaf1195581f9a19368c
     37    38 target:3:step3:test 27218705037113f31fd9b29e7164057d
     38    39 target:mtime:3:step3:test 12345678
     39    40 source:3:step3:test 13dfe84a1b6cd1c924a6045fce891ac8
-    40    41 source:ts:3:step3:test 595200d368c52f3608cb338cbc9908c3
+    40    41 source:ts:3:step3:test 876c0ac1de416eaf1195581f9a19368c
     41    42 job-hash:test_namespace:step3
           6a8deda98aa776d22c386675075a3d30
     42    43 job-plugin:test_namespace:step3 parse_properties.
     43    44 job-serializer-plugin:test_namespace:step3 serialize_po.
-    44    45 job-engine:test_namespace:step3 1.3.2
+    44    45 job-engine:test_namespace:step3 1.4
 }
diff --git a/t/data/engine/reuse_options/05/reference-output/po/test/1.properties.po b/t/data/engine/reuse_options/05/reference-output/po/test/1.properties.po
index a934d6c5..da17d243 100644
--- a/t/data/engine/reuse_options/05/reference-output/po/test/1.properties.po
+++ b/t/data/engine/reuse_options/05/reference-output/po/test/1.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 1.properties
diff --git a/t/data/engine/reuse_options/05/reference-output/po/test/2.properties.po b/t/data/engine/reuse_options/05/reference-output/po/test/2.properties.po
index 237f8b5a..cbd11918 100644
--- a/t/data/engine/reuse_options/05/reference-output/po/test/2.properties.po
+++ b/t/data/engine/reuse_options/05/reference-output/po/test/2.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 2.properties
diff --git a/t/data/engine/reuse_options/05/reference-output/po/test/3.properties.po b/t/data/engine/reuse_options/05/reference-output/po/test/3.properties.po
index f05fe64e..ca0a05d8 100644
--- a/t/data/engine/reuse_options/05/reference-output/po/test/3.properties.po
+++ b/t/data/engine/reuse_options/05/reference-output/po/test/3.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 3.properties
diff --git a/t/data/engine/reuse_options/06/reference-output/database/properties b/t/data/engine/reuse_options/06/reference-output/database/properties
index 98c8a15a..2b750ca8 100644
--- a/t/data/engine/reuse_options/06/reference-output/database/properties
+++ b/t/data/engine/reuse_options/06/reference-output/database/properties
@@ -6,46 +6,46 @@ properties
     3     4 items:1 1
     4     5 ts:1:test:count 1
     5     6 usn:1:test 3
-    6     7 ts:1:test 2a833ccad3785d5ce0fbd5ebe132062b
+    6     7 ts:1:test ba72a992b5b1f7d183a59b0ecd604051
     7     8 target:1:step1:test 27218705037113f31fd9b29e7164057d
     8     9 target:mtime:1:step1:test 12345678
     9     10 source:1:step1:test 13dfe84a1b6cd1c924a6045fce891ac8
-    10    11 source:ts:1:step1:test 2a833ccad3785d5ce0fbd5ebe132062b
+    10    11 source:ts:1:step1:test ba72a992b5b1f7d183a59b0ecd604051
     11    12 job-hash:test_namespace:step1
           293dd8c68f043bafb974c9efe5e29d8e
     12    13 job-plugin:test_namespace:step1 parse_properties.
     13    14 job-serializer-plugin:test_namespace:step1 serialize_po.
-    14    15 job-engine:test_namespace:step1 1.3.2
+    14    15 job-engine:test_namespace:step1 1.4
     15    16 source:2 13dfe84a1b6cd1c924a6045fce891ac8
     16    17 hash:2 13dfe84a1b6cd1c924a6045fce891ac8
     17    18 size:2 22
     18    19 items:2 2
     19    20 ts:2:test:count 1
     20    21 usn:2:test 6
-    21    22 ts:2:test e7a912d404f07279c035a317589fbde7
+    21    22 ts:2:test 984f80e031091055bf2d120ae162c7ec
     22    23 target:2:step2:test b364e01f7202dc7fa7d0f1aed6cf600d
     23    24 target:mtime:2:step2:test 12345678
     24    25 source:2:step2:test 13dfe84a1b6cd1c924a6045fce891ac8
-    25    26 source:ts:2:step2:test e7a912d404f07279c035a317589fbde7
+    25    26 source:ts:2:step2:test 984f80e031091055bf2d120ae162c7ec
     26    27 job-hash:test_namespace:step2
           ec86ffdf820e4291b1b83562fa1c1b2f
     27    28 job-plugin:test_namespace:step2 parse_properties.
     28    29 job-serializer-plugin:test_namespace:step2 serialize_po.
-    29    30 job-engine:test_namespace:step2 1.3.2
+    29    30 job-engine:test_namespace:step2 1.4
     30    31 source:3 13dfe84a1b6cd1c924a6045fce891ac8
     31    32 hash:3 13dfe84a1b6cd1c924a6045fce891ac8
     32    33 size:3 22
     33    34 items:3 3
     34    35 ts:3:test:count 1
     35    36 usn:3:test 9
-    36    37 ts:3:test af2789badd3f78ff03075ac068b4d5dc
+    36    37 ts:3:test 3d0d2f81cdb54dd2fde0ed165c9cf276
     37    38 target:3:step3:test b364e01f7202dc7fa7d0f1aed6cf600d
     38    39 target:mtime:3:step3:test 12345678
     39    40 source:3:step3:test 13dfe84a1b6cd1c924a6045fce891ac8
-    40    41 source:ts:3:step3:test af2789badd3f78ff03075ac068b4d5dc
+    40    41 source:ts:3:step3:test 3d0d2f81cdb54dd2fde0ed165c9cf276
     41    42 job-hash:test_namespace:step3
           a7ee1523fe2e4e6b4a077c92caec8697
     42    43 job-plugin:test_namespace:step3 parse_properties.
     43    44 job-serializer-plugin:test_namespace:step3 serialize_po.
-    44    45 job-engine:test_namespace:step3 1.3.2
+    44    45 job-engine:test_namespace:step3 1.4
 }
diff --git a/t/data/engine/reuse_options/06/reference-output/po/test/1.properties.po b/t/data/engine/reuse_options/06/reference-output/po/test/1.properties.po
index dbb8a057..b3415619 100644
--- a/t/data/engine/reuse_options/06/reference-output/po/test/1.properties.po
+++ b/t/data/engine/reuse_options/06/reference-output/po/test/1.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 1.properties
diff --git a/t/data/engine/reuse_options/06/reference-output/po/test/2.properties.po b/t/data/engine/reuse_options/06/reference-output/po/test/2.properties.po
index 237f8b5a..cbd11918 100644
--- a/t/data/engine/reuse_options/06/reference-output/po/test/2.properties.po
+++ b/t/data/engine/reuse_options/06/reference-output/po/test/2.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 2.properties
diff --git a/t/data/engine/reuse_options/06/reference-output/po/test/3.properties.po b/t/data/engine/reuse_options/06/reference-output/po/test/3.properties.po
index e7fc87cc..debf3fed 100644
--- a/t/data/engine/reuse_options/06/reference-output/po/test/3.properties.po
+++ b/t/data/engine/reuse_options/06/reference-output/po/test/3.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 3.properties
diff --git a/t/data/engine/reuse_options/07/reference-output/database/properties b/t/data/engine/reuse_options/07/reference-output/database/properties
index 13a7bd92..632c626f 100644
--- a/t/data/engine/reuse_options/07/reference-output/database/properties
+++ b/t/data/engine/reuse_options/07/reference-output/database/properties
@@ -6,30 +6,30 @@ properties
     3     4 items:1 1
     4     5 ts:1:test:count 1
     5     6 usn:1:test 3
-    6     7 ts:1:test 2a833ccad3785d5ce0fbd5ebe132062b
+    6     7 ts:1:test ba72a992b5b1f7d183a59b0ecd604051
     7     8 target:1:step1:test 27218705037113f31fd9b29e7164057d
     8     9 target:mtime:1:step1:test 12345678
     9     10 source:1:step1:test 13dfe84a1b6cd1c924a6045fce891ac8
-    10    11 source:ts:1:step1:test 2a833ccad3785d5ce0fbd5ebe132062b
+    10    11 source:ts:1:step1:test ba72a992b5b1f7d183a59b0ecd604051
     11    12 job-hash:test_namespace:step1
           293dd8c68f043bafb974c9efe5e29d8e
     12    13 job-plugin:test_namespace:step1 parse_properties.
     13    14 job-serializer-plugin:test_namespace:step1 serialize_po.
-    14    15 job-engine:test_namespace:step1 1.3.2
+    14    15 job-engine:test_namespace:step1 1.4
     15    16 source:2 13dfe84a1b6cd1c924a6045fce891ac8
     16    17 hash:2 13dfe84a1b6cd1c924a6045fce891ac8
     17    18 size:2 22
     18    19 items:2 2
     19    20 ts:2:test:count 1
     20    21 usn:2:test 5
-    21    22 ts:2:test fe7a79c3f0d149eecfac3fb183943ba9
+    21    22 ts:2:test 9810cb1956e208863c7289a1cae9136c
     22    23 target:2:step2:test 13dfe84a1b6cd1c924a6045fce891ac8
     23    24 target:mtime:2:step2:test 12345678
     24    25 source:2:step2:test 13dfe84a1b6cd1c924a6045fce891ac8
-    25    26 source:ts:2:step2:test fe7a79c3f0d149eecfac3fb183943ba9
+    25    26 source:ts:2:step2:test 9810cb1956e208863c7289a1cae9136c
     26    27 job-hash:test_namespace:step2
           4f14df650080dc3532e3ccc4c455aa34
     27    28 job-plugin:test_namespace:step2 parse_properties.
     28    29 job-serializer-plugin:test_namespace:step2 serialize_po.
-    29    30 job-engine:test_namespace:step2 1.3.2
+    29    30 job-engine:test_namespace:step2 1.4
 }
diff --git a/t/data/engine/reuse_options/07/reference-output/po/test/1.properties.po b/t/data/engine/reuse_options/07/reference-output/po/test/1.properties.po
index dbb8a057..b3415619 100644
--- a/t/data/engine/reuse_options/07/reference-output/po/test/1.properties.po
+++ b/t/data/engine/reuse_options/07/reference-output/po/test/1.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 1.properties
diff --git a/t/data/engine/reuse_options/07/reference-output/po/test/2.properties.po b/t/data/engine/reuse_options/07/reference-output/po/test/2.properties.po
index 7ebf5755..878b53e7 100644
--- a/t/data/engine/reuse_options/07/reference-output/po/test/2.properties.po
+++ b/t/data/engine/reuse_options/07/reference-output/po/test/2.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: 2.properties
diff --git a/t/data/engine/run_command/00/reference-output/database/properties b/t/data/engine/run_command/00/reference-output/database/properties
index 342797ed..14e6a409 100644
--- a/t/data/engine/run_command/00/reference-output/database/properties
+++ b/t/data/engine/run_command/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7
     4     5 ts:1:test:count 7
     5     6 usn:1:test 22
-    6     7 ts:1:test 64b5871fdaa46b7ba6e62694eb4dd340
+    6     7 ts:1:test dc8dcdb2e8edb5d83568f721771dd2cd
     7     8 target:1:test_job:test e229a1b45afb237ab67796acc7b3b477
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test d030501b7df107a2a9b9e879edfaef02
     10    11 source:ts:1:test_job:test
-          64b5871fdaa46b7ba6e62694eb4dd340
+          dc8dcdb2e8edb5d83568f721771dd2cd
     11    12 job-hash:test_namespace:test_job
           2281187b3e5ab3838cc6802854b59e8d
     12    13 job-plugin:test_namespace:test_job parse_android.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/run_command/00/reference-output/po/test/strings.xml.po b/t/data/engine/run_command/00/reference-output/po/test/strings.xml.po
index a3950329..1f9b593f 100644
--- a/t/data/engine/run_command/00/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/run_command/00/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/run_command/01/reference-output/database/properties b/t/data/engine/run_command/01/reference-output/database/properties
index 08cdf1be..9526c0c5 100644
--- a/t/data/engine/run_command/01/reference-output/database/properties
+++ b/t/data/engine/run_command/01/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7
     4     5 ts:1:test:count 7
     5     6 usn:1:test 22
-    6     7 ts:1:test 64b5871fdaa46b7ba6e62694eb4dd340
+    6     7 ts:1:test dc8dcdb2e8edb5d83568f721771dd2cd
     7     8 target:1:test_job:test e229a1b45afb237ab67796acc7b3b477
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test d030501b7df107a2a9b9e879edfaef02
     10    11 source:ts:1:test_job:test
-          64b5871fdaa46b7ba6e62694eb4dd340
+          dc8dcdb2e8edb5d83568f721771dd2cd
     11    12 job-hash:test_namespace:test_job
           d9ff762ca4b2235c4f448d746d44e1d6
     12    13 job-plugin:test_namespace:test_job parse_android.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/run_command/01/reference-output/po/test/strings.xml.po b/t/data/engine/run_command/01/reference-output/po/test/strings.xml.po
index a3950329..1f9b593f 100644
--- a/t/data/engine/run_command/01/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/run_command/01/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/run_command/02/reference-output/database/properties b/t/data/engine/run_command/02/reference-output/database/properties
index 4885a9eb..0972145a 100644
--- a/t/data/engine/run_command/02/reference-output/database/properties
+++ b/t/data/engine/run_command/02/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6,7
     4     5 ts:1:test:count 7
     5     6 usn:1:test 22
-    6     7 ts:1:test 64b5871fdaa46b7ba6e62694eb4dd340
+    6     7 ts:1:test dc8dcdb2e8edb5d83568f721771dd2cd
     7     8 target:1:test_job:test e229a1b45afb237ab67796acc7b3b477
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test d030501b7df107a2a9b9e879edfaef02
     10    11 source:ts:1:test_job:test
-          64b5871fdaa46b7ba6e62694eb4dd340
+          dc8dcdb2e8edb5d83568f721771dd2cd
     11    12 job-hash:test_namespace:test_job
           0b4861aea799e2f557e20948e7fed627
     12    13 job-plugin:test_namespace:test_job parse_android.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/run_command/02/reference-output/po/test/strings.xml.po b/t/data/engine/run_command/02/reference-output/po/test/strings.xml.po
index a3950329..1f9b593f 100644
--- a/t/data/engine/run_command/02/reference-output/po/test/strings.xml.po
+++ b/t/data/engine/run_command/02/reference-output/po/test/strings.xml.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.xml
diff --git a/t/data/engine/serialize_csv/00/reference-output/database/properties b/t/data/engine/serialize_csv/00/reference-output/database/properties
index 020615ec..e62a294e 100644
--- a/t/data/engine/serialize_csv/00/reference-output/database/properties
+++ b/t/data/engine/serialize_csv/00/reference-output/database/properties
@@ -17,5 +17,5 @@ properties
     12    13 job-plugin:test_namespace:test_job parse_master.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_csv.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/serialize_csv/01-deserialize/reference-output/database/properties b/t/data/engine/serialize_csv/01-deserialize/reference-output/database/properties
index 8a4bcc40..b4178e49 100644
--- a/t/data/engine/serialize_csv/01-deserialize/reference-output/database/properties
+++ b/t/data/engine/serialize_csv/01-deserialize/reference-output/database/properties
@@ -16,5 +16,5 @@ properties
     12    13 job-plugin:test_namespace:test_job parse_master.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_csv.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/serialize_po/00-deserialize/reference-output/database/properties b/t/data/engine/serialize_po/00-deserialize/reference-output/database/properties
index 5983e316..52ce928c 100644
--- a/t/data/engine/serialize_po/00-deserialize/reference-output/database/properties
+++ b/t/data/engine/serialize_po/00-deserialize/reference-output/database/properties
@@ -6,15 +6,15 @@ properties
     3     4 items:1 1,2,3
     4     5 ts:1:de:count 3
     5     6 usn:1:de 10
-    6     7 ts:1:de 2ab9ea67e041454f952a3920de33d503
+    6     7 ts:1:de 86ef3bffbd4f92a3b8d3673e43087657
     7     8 target:1:test_job:de bbbd8700c73e083d59f8e74ba659d308
     8     9 target:mtime:1:test_job:de 12345678
     9     10 source:1:test_job:de 9661066d730466dd061071069339f222
-    10    11 source:ts:1:test_job:de 2ab9ea67e041454f952a3920de33d503
+    10    11 source:ts:1:test_job:de 86ef3bffbd4f92a3b8d3673e43087657
     11    12 job-hash:test_namespace:test_job
           20a801c8af7a297a17d91c24b4fcb591
     12    13 job-plugin:test_namespace:test_job parse_properties.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/serialize_po/00-deserialize/reference-output/po/de/StripesResources.properties.po b/t/data/engine/serialize_po/00-deserialize/reference-output/po/de/StripesResources.properties.po
index 3f443895..206e9f85 100644
--- a/t/data/engine/serialize_po/00-deserialize/reference-output/po/de/StripesResources.properties.po
+++ b/t/data/engine/serialize_po/00-deserialize/reference-output/po/de/StripesResources.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: de\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. foo
 #. 1st
diff --git a/t/data/engine/serialize_xliff/00/reference-output/database/properties b/t/data/engine/serialize_xliff/00/reference-output/database/properties
index 1598e5aa..6dbf5a04 100644
--- a/t/data/engine/serialize_xliff/00/reference-output/database/properties
+++ b/t/data/engine/serialize_xliff/00/reference-output/database/properties
@@ -25,5 +25,5 @@ properties
     19    20 job-plugin:test_namespace:test_job parse_chrome_json.
     20    21 job-serializer-plugin:test_namespace:test_job
           serialize_xliff.
-    21    22 job-engine:test_namespace:test_job 1.3.2
+    21    22 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/serialize_xliff/01/reference-output/database/properties b/t/data/engine/serialize_xliff/01/reference-output/database/properties
index b8ce30be..ee083056 100644
--- a/t/data/engine/serialize_xliff/01/reference-output/database/properties
+++ b/t/data/engine/serialize_xliff/01/reference-output/database/properties
@@ -17,5 +17,5 @@ properties
     12    13 job-plugin:test_namespace:test_job parse_properties.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_xliff.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/serialize_xliff/02-deserialize-comment/reference-output/database/properties b/t/data/engine/serialize_xliff/02-deserialize-comment/reference-output/database/properties
index e8c6774e..9b240a8e 100644
--- a/t/data/engine/serialize_xliff/02-deserialize-comment/reference-output/database/properties
+++ b/t/data/engine/serialize_xliff/02-deserialize-comment/reference-output/database/properties
@@ -16,5 +16,5 @@ properties
     12    13 job-plugin:test_namespace:test_job parse_properties.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_xliff.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/serialize_xliff/03-deserialize-context/reference-output/database/properties b/t/data/engine/serialize_xliff/03-deserialize-context/reference-output/database/properties
index d3055974..0978268f 100644
--- a/t/data/engine/serialize_xliff/03-deserialize-context/reference-output/database/properties
+++ b/t/data/engine/serialize_xliff/03-deserialize-context/reference-output/database/properties
@@ -16,5 +16,5 @@ properties
     12    13 job-plugin:test_namespace:test_job parse_properties.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_xliff.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/similar_languages/00/reference-output/database/properties b/t/data/engine/similar_languages/00/reference-output/database/properties
index 2ea9469e..945746ef 100644
--- a/t/data/engine/similar_languages/00/reference-output/database/properties
+++ b/t/data/engine/similar_languages/00/reference-output/database/properties
@@ -6,23 +6,23 @@ properties
     3     4 items:1 1
     4     5 ts:1:es:count 1
     5     6 usn:1:es 4
-    6     7 ts:1:es c42b81943e433260a49610bd0f60f4f7
+    6     7 ts:1:es eb901b81034a08af3286fab5e836161e
     7     8 ts:1:es-419:count 1
     8     9 usn:1:es-419 5
-    9     10 ts:1:es-419 426bcafb4dc4274e64d6eded2b0da255
+    9     10 ts:1:es-419 68f4296f9df8a5b909df1e2e9dfb6717
     10    11 target:1:test_job:es 30d874365857faf579bf14791af42136
     11    12 target:mtime:1:test_job:es 12345678
     12    13 source:1:test_job:es 5071ecc77b32ce11e85370bf3909ec01
-    13    14 source:ts:1:test_job:es c42b81943e433260a49610bd0f60f4f7
+    13    14 source:ts:1:test_job:es eb901b81034a08af3286fab5e836161e
     14    15 target:1:test_job:es-419 30d874365857faf579bf14791af42136
     15    16 target:mtime:1:test_job:es-419 12345678
     16    17 source:1:test_job:es-419 5071ecc77b32ce11e85370bf3909ec01
     17    18 source:ts:1:test_job:es-419
-          426bcafb4dc4274e64d6eded2b0da255
+          68f4296f9df8a5b909df1e2e9dfb6717
     18    19 job-hash:test_namespace:test_job
           a089c7ec7e86b31b24ef6ec0d8cd5f3a
     19    20 job-plugin:test_namespace:test_job parse_master.
     20    21 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    21    22 job-engine:test_namespace:test_job 1.3.2
+    21    22 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/similar_languages/00/reference-output/po/es/test.txt.master.po b/t/data/engine/similar_languages/00/reference-output/po/es/test.txt.master.po
index 5ffce3d2..143eadeb 100644
--- a/t/data/engine/similar_languages/00/reference-output/po/es/test.txt.master.po
+++ b/t/data/engine/similar_languages/00/reference-output/po/es/test.txt.master.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: es\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #: File: test.txt.master
 #: ID: b9654bb58db28f9c09099c29f2897d78
diff --git a/t/data/engine/similar_languages/00/reference-output/po/es_419/test.txt.master.po b/t/data/engine/similar_languages/00/reference-output/po/es_419/test.txt.master.po
index 73664d47..e0012701 100644
--- a/t/data/engine/similar_languages/00/reference-output/po/es_419/test.txt.master.po
+++ b/t/data/engine/similar_languages/00/reference-output/po/es_419/test.txt.master.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: es_419\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #: File: test.txt.master
 #: ID: b9654bb58db28f9c09099c29f2897d78
diff --git a/t/data/engine/test_language/00/reference-output/database/properties b/t/data/engine/test_language/00/reference-output/database/properties
index b1d2bb81..0fa8870e 100644
--- a/t/data/engine/test_language/00/reference-output/database/properties
+++ b/t/data/engine/test_language/00/reference-output/database/properties
@@ -7,16 +7,16 @@ properties
           1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39
     4     5 ts:1:test:count 39
     5     6 usn:1:test 118
-    6     7 ts:1:test f5effe6790ac08b3131e873e91ed33f5
+    6     7 ts:1:test 3943890af7a724d75c99e3a75f5a7df5
     7     8 target:1:test_job:test 7f99a925cecfeaf1504462661dc5f187
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test a09ba3aede9befde52bde45385c9c433
     10    11 source:ts:1:test_job:test
-          f5effe6790ac08b3131e873e91ed33f5
+          3943890af7a724d75c99e3a75f5a7df5
     11    12 job-hash:test_namespace:test_job
           3833b06b27436b6a94e74522f6168482
     12    13 job-plugin:test_namespace:test_job parse_keyvalue.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/test_language/00/reference-output/po/test/strings.ini.po b/t/data/engine/test_language/00/reference-output/po/test/strings.ini.po
index 6c6afd1a..a715fa60 100644
--- a/t/data/engine/test_language/00/reference-output/po/test/strings.ini.po
+++ b/t/data/engine/test_language/00/reference-output/po/test/strings.ini.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.ini
diff --git a/t/data/engine/trademarks/00/reference-output/database/properties b/t/data/engine/trademarks/00/reference-output/database/properties
index 7f363f37..2b1a9199 100644
--- a/t/data/engine/trademarks/00/reference-output/database/properties
+++ b/t/data/engine/trademarks/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5
     4     5 ts:1:test:count 5
     5     6 usn:1:test 16
-    6     7 ts:1:test c0af36135fea71b0a6c515107b6f5ad5
+    6     7 ts:1:test 4e20b3b338229bb488ec43713f71eb89
     7     8 target:1:test_job:test 7e53bc91c1bf363fef197e6241c15f30
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test 5142379e4be5eddbd653db0750513457
     10    11 source:ts:1:test_job:test
-          c0af36135fea71b0a6c515107b6f5ad5
+          4e20b3b338229bb488ec43713f71eb89
     11    12 job-hash:test_namespace:test_job
           cefb52c56291b3acd29ed99f37544225
     12    13 job-plugin:test_namespace:test_job parse_keyvalue.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/trademarks/00/reference-output/po/test/strings.ini.po b/t/data/engine/trademarks/00/reference-output/po/test/strings.ini.po
index 4e33078d..f187e8cc 100644
--- a/t/data/engine/trademarks/00/reference-output/po/test/strings.ini.po
+++ b/t/data/engine/trademarks/00/reference-output/po/test/strings.ini.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #. Please do not alter trademarks (FooTM)
diff --git a/t/data/engine/transform/00/reference-output/database/properties b/t/data/engine/transform/00/reference-output/database/properties
index 0349f39f..13d7c50a 100644
--- a/t/data/engine/transform/00/reference-output/database/properties
+++ b/t/data/engine/transform/00/reference-output/database/properties
@@ -6,16 +6,16 @@ properties
     3     4 items:1 1,2,3,4,5,6
     4     5 ts:1:test:count 6
     5     6 usn:1:test 19
-    6     7 ts:1:test 8af3d95d4ae4ce174b89def8958bdaaf
+    6     7 ts:1:test e373acfefd6a56063296e5008fe1be36
     7     8 target:1:test_job:test 912de7edc8e94540efc4115834664a86
     8     9 target:mtime:1:test_job:test 12345678
     9     10 source:1:test_job:test f6ec9366f85bdd7dfae457b3c17ee3d6
     10    11 source:ts:1:test_job:test
-          8af3d95d4ae4ce174b89def8958bdaaf
+          e373acfefd6a56063296e5008fe1be36
     11    12 job-hash:test_namespace:test_job
           377ab499b2faf900d268777f7decad0a
     12    13 job-plugin:test_namespace:test_job parse_properties.
     13    14 job-serializer-plugin:test_namespace:test_job
           serialize_po.
-    14    15 job-engine:test_namespace:test_job 1.3.2
+    14    15 job-engine:test_namespace:test_job 1.4
 }
diff --git a/t/data/engine/transform/00/reference-output/po/test/strings.properties.po b/t/data/engine/transform/00/reference-output/po/test/strings.properties.po
index eae6d917..4724df1b 100644
--- a/t/data/engine/transform/00/reference-output/po/test/strings.properties.po
+++ b/t/data/engine/transform/00/reference-output/po/test/strings.properties.po
@@ -3,7 +3,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: test\n"
-"Generated-By: Serge 1.3\n"
+"Generated-By: Serge 1.4\n"
 
 #. string1
 #: File: strings.properties