add nomatch option

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@8190 626c5289-ae23-0410-ae9c-e8d60b6d4f22

CHANGES.current

@@ -141,8 +141,8 @@ Version 1.3.28 (unreleased).
 	      Use "swig -dump_tree" to see the attributes names you can use to
 	      match an specific case.
 	
-            - Sometimes you need to process the 'source' name before
-              comparing, for example
+            - 'sourcefmt' and 'targetfmt': sometimes you need to
+              process the 'source' name before comparing, for example
 
 	        %namewarn("314: empty is a keyword",sourcefmt="%(lower)s") "empty";
 
@@ -152,10 +152,17 @@ Version 1.3.28 (unreleased).
 		
 	      you will get the keyword warning since 'Empty' will be
 	      lower cased, via the sourcefmt="%(lower)s" option,
-	      before comparing to the 'target' "empty".
+	      before been compared to the 'target' "empty".
 
 	      There is an additional 'targetfmt' option to process the
 	      'target' before comparing.
+
+	    - complementing 'match': you can use 'notmatch', for example
+	      
+	        %namewarn("314: empty is a keyword",sourcefmt="%(lower)s",notmatch="namespace") "empty";
+
+	      here, the name warning will be applied to all the symbols except namespaces.
+	    
       	
 12/30/2005: mmatus