[xml mode] Fix null-dereference

Closes #502
codemirror · Apr 18, 2012 · 1068a7f · 1068a7f
1 parent 4365e34
commit 1068a7f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/mode/xml/xml.js b/mode/xml/xml.js
@@ -198,7 +198,7 @@ CodeMirror.defineMode("xml", function(config, parserConfig) {
           if (Kludges.implicitlyClosed.hasOwnProperty(curState.context.tagName.toLowerCase())) {
             popContext();
           }
-          err = curState.context.tagName != tagName;
+          err = !curState.context || curState.context.tagName != tagName;
         }
       } else {
         err = true;