Changes to detect unresolved references (REF NOT FOUND) during HTML conversion

Filenames with underscores are no longer reported as errant uses of '_' character
Minor GUI display tweeks.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10326 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

utils/tex2rtf/src/rtfutils.cpp

@@ -3375,7 +3375,7 @@ bool RTFOnArgument(int macroId, int arg_no, bool start)
                   else
                   {
                     TexOutput("??");
-                    sprintf(buf, "Warning: unresolved reference %s.", refName);
+                    sprintf(buf, "Warning: unresolved reference '%s'", refName);
                     OnInform(buf);
                   }
                 }