[bugfix] oopsie external links

msgFormatter.js

@@ -439,7 +439,7 @@ var formatText = (function() {
             if (this._parent.isLink && (link = opts.linkFilter(this.text))) {
                 tagName = 'a';
                 params = ' href="' +link.link +'"';
-                if (link.isExternal) {
+                if (!link.isInternal) {
                     params += ' target="_blank"';
                 }
                 innerHTML = opts.textFilter(link.text);