Item1468: Topics with regex quantifier + in their names prevents othe…

…r topics from being moved

Topic names with a + are silly but none the less possible to make.
I once studied a bug related to this which is why I had a MyC++ topic.
This little fix should do no harm and fixes this particular problem


git-svn-id: http://svn.foswiki.org/branches/Release01x00@3558 0b4bb1d4-4e5a-0410-9cc4-b2b747904278

core/lib/Foswiki/Render.pm

@@ -2049,6 +2049,9 @@ sub getReferenceRE {
 
     # Convert . and / to [./] (subweb separators)
     $matchWeb =~ s#[./]#[./]#go;
+
+    # Item1468 - Convert '+'  to '\+' as '+' can be used in topic names
+    $topic =~ s/[+]/\\+/go;
 
     # Note use of \< and \> to match the empty string at the
     # edges of a word.