doc/texi2pod: fix @ref substitution rule, disallow "}" within the fields

Fix potential spurious substitution.

diff --git a/doc/texi2pod.pl b/doc/texi2pod.pl
index 5c3aba6..697576c 100755 (executable)
--- a/doc/texi2pod.pl
+++ b/doc/texi2pod.pl
@@ -377,7 +377,7 @@ sub postprocess
     s/\(?\@xref\{(?:[^\}]*)\}(?:[^.<]|(?:<[^<>]*>))*\.\)?//g;
     s/\s+\(\@pxref\{(?:[^\}]*)\}\)//g;
     s/;\s+\@pxref\{(?:[^\}]*)\}//g;
-    s/\@ref\{(?:[^,]*,)(?:[^,]*,)([^,\}]*).*\}/$1/g;
+    s/\@ref\{(?:[^,\}]*,)(?:[^,\}]*,)([^,\}]*).*\}/$1/g;
     s/\@ref\{([^\}]*)\}/$1/g;
     s/\@noindent\s*//g;
     s/\@refill//g;