Octo 10927 skip duplicated extended characters

docs/changelog.rst

@@ -1,9 +1,12 @@
 Changelog
 ---------
+2.2.4
+^^^^^
+- Skip duplicated extended characters.
+
 2.2.3
 ^^^^^
-- Add new substitute character to ignore before extended character
-    in SCC input files
+- Add new substitute character to ignore before extended character in SCC input files
 
 2.2.2
 ^^^^^

docs/conf.py

@@ -53,9 +53,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '2.2.3'
+version = '2.2.4'
 # The full version, including alpha/beta/rc tags.
-release = '2.2.3'
+release = '2.2.4'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

pycaption/scc/__init__.py

@@ -339,7 +339,7 @@ def _handle_double_command(self, word):
         # same as the first.
         # Also like codes, Special Characters are always doubled up,
         # with only one member of each pair being displayed.
-        if word in COMMANDS or _is_pac_command(word) or word in SPECIAL_CHARS:
+        if word in COMMANDS or _is_pac_command(word) or word in SPECIAL_CHARS or word in EXTENDED_CHARS:
             if word == self.last_command:
                 self.last_command = ''
                 return True

setup.py

@@ -24,7 +24,7 @@
 
 setup(
     name='pycaption',
-    version='2.2.3',
+    version='2.2.4.dev',
     description='Closed caption converter',
     long_description=open(README_PATH).read(),
     author='Joe Norton',

tests/test_scc.py

@@ -279,7 +279,7 @@ def test_freeze_rollup_captions_contents(self, sample_scc_roll_up_ru2):
             'WE SERVE.',
             '®°½',
             'ABû',
-            'ÁÁÉÓ¡',
+            'ÁÉÓ¡',
             "WHERE YOU'RE STANDING NOW,",
             "LOOKING OUT THERE, THAT'S AL",
             'THE CROWD.',