Simplified replacer

lib/rules_core/replacements.js

@@ -27,22 +27,17 @@ var SCOPED_ABBR = {
   'tm': '™'
 };
 
-function replaceScopedAbbr(str) {
+function replaceFn(match, name) {
-  if (str.indexOf('(') < 0) { return str; }
-
-  return str.replace(SCOPED_ABBR_RE, function(match, name) {
   return SCOPED_ABBR[name.toLowerCase()];
-  });
 }
 
-
 function replace_scoped(inlineTokens) {
   var i, token;
 
   for (i = inlineTokens.length - 1; i >= 0; i--) {
     token = inlineTokens[i];
     if (token.type === 'text') {
-      token.content = replaceScopedAbbr(token.content);
+      token.content = token.content.replace(SCOPED_ABBR_RE, replaceFn);
     }
   }
 }