[gtk-doc] Put examples in CDATA

[William Jon McCann <mccann src gnome org>]

commit c4d09c7c95c45a1226e83f5ddd7d0f4ce2b1a1a9
Author: William Jon McCann <william jon mccann gmail com>
Date:   Mon Jan 27 13:42:42 2014 -0500

    Put examples in CDATA
    
    https://bugzilla.gnome.org/show_bug.cgi?id=723118

 gtkdoc-mkdb.in |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtkdoc-mkdb.in b/gtkdoc-mkdb.in
index 67e8c37..a08234e 100755
--- a/gtkdoc-mkdb.in
+++ b/gtkdoc-mkdb.in
@@ -2761,8 +2761,8 @@ sub ExpandAbbreviations {
 
   # Convert "|[" and "]|" into the start and end of program listing examples.
   # FIXME: we like to have a way to specify parameters e.g. language="c"
-  $text =~ s%\|\[%<informalexample><programlisting>%g;
-  $text =~ s%\]\|%</programlisting></informalexample>%g;
+  $text =~ s%\|\[%<informalexample><programlisting><![CDATA[%g;
+  $text =~ s%\]\|%]]></programlisting></informalexample>%g;
   # TODO: check for a xml comment after |[ and pick the language attribute from
   # that