[glibmm] gmmproc, DocsParser.pm: Improve the handling of gi-docgen syntax, part 3

[Kjell Ahlstedt <kjellahl src gnome org>]

commit cd2612904a7566c3886b93fff61c30c934a49c17
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Thu Jul 7 14:46:51 2022 +0200

    gmmproc, DocsParser.pm: Improve the handling of gi-docgen syntax, part 3

 tools/pm/DocsParser.pm | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/tools/pm/DocsParser.pm b/tools/pm/DocsParser.pm
index 7c14a2b5..f65c369e 100644
--- a/tools/pm/DocsParser.pm
+++ b/tools/pm/DocsParser.pm
@@ -655,6 +655,9 @@ sub remove_c_memory_handling_info($)
   # Don't modify the text, if $mem_funcs is part of example code.
   # remove_c_memory_handling_info() is called before remove_example_code().
   return if ($$text =~ 
m"(?:<informalexample>|<programlisting>|\|\[).*?$mem_funcs.*?(?:</informalexample>|</programlisting>|]\|)"s);
+  # gi-docgen syntax.
+  # remove_c_memory_handling_info() is called before add_m4_quotes().
+  return if ($$text =~ m"\`\`\`[cC].*?$mem_funcs.*?\`\`\`"s);
 
   # First try to remove the sentence containing $mem_funcs.
   # For simplicity, assume that a sentence is any string ending with a period.