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GitHub Repository: sagemathinc/cocalc
 Path: blob/master/src/packages/frontend/codemirror/mode/mediawiki/README.salvus
Views: 687
This is from https://github.com/wikimedia/mediawiki-extensions-CodeMirror

1. However, note I fixed a bug in their code:

@@ -684,7 +684,7 @@ CodeMirror.defineMode( 'mediawiki', function( config/*, parserConfig */ ) {
                                        var tagname = stream.match( /[^>\/\s\u00a0\.\*\,\[\]\{\}\$\^\+\?\|\/\\'`~<=!@#%&\(\)-]+/ );
                                        if ( tagname ) {
                                                tagname = tagname[0].toLowerCase();
-                                               if ( tagname in config.mwextTags ) { // Parser function
+                                               if ( config.mwextTags && tagname in config.mwextTags ) { // Parser function
                                                        if ( isCloseTag === true ) {
                                                                // @todo message
                                                                return 'error';


2. Note the comment about "evil BS" in the css file.