From 83b7c779b1ecf965056ceaffe13f06141e119212 Mon Sep 17 00:00:00 2001
From: Bo <bo@bowild.com>
Date: Sun, 10 Nov 2024 16:50:44 +0700
Subject: [PATCH] fix frozen string literals

---
 lib/combine_pdf/page_methods.rb | 2 +-
 lib/combine_pdf/pdf_public.rb   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/combine_pdf/page_methods.rb b/lib/combine_pdf/page_methods.rb
index e9a8d20..7e5d884 100644
--- a/lib/combine_pdf/page_methods.rb
+++ b/lib/combine_pdf/page_methods.rb
@@ -789,7 +789,7 @@ def encode_text(text, fonts)
           # add to array
           if out.last.nil? || out.last[0] != fonts[i]
             out.last[1] << '>' unless out.last.nil?
-            out << [fonts[i], '<', 0, 0]
+            out << [fonts[i], (+'<'), 0, 0]
           end
           out.last[1] << (fonts_array[i].cmap.nil? ? (c.unpack('H*')[0]) : fonts_array[i].cmap[c])
           if fonts_array[i].metrics[c]
diff --git a/lib/combine_pdf/pdf_public.rb b/lib/combine_pdf/pdf_public.rb
index 5fe665f..abe1257 100644
--- a/lib/combine_pdf/pdf_public.rb
+++ b/lib/combine_pdf/pdf_public.rb
@@ -217,7 +217,7 @@ def to_pdf(options = {})
       # when finished, remove the numbering system and keep only pointers
       remove_old_ids
       # output the pdf stream
-      out.join("\n").force_encoding(Encoding::ASCII_8BIT)
+      out.join("\n".b).force_encoding(Encoding::ASCII_8BIT)
     end
 
     # this method returns all the pages cataloged in the catalog.