[enh] Add OPTIMIZE: and HACK: to comment doctags

Author: joshgoebel

CHANGES.md

@@ -14,6 +14,7 @@ Deprecations:
 
 Language Improvements:
 
+- [enh] Add `OPTIMIZE:` and `HACK:` to the labels highlighted inside comments [Josh Goebel][]
 - enh(typescript/javascript/coffeescript/livescript) derive ECMAscript keywords from a common foudation (#2518) [Josh Goebel][]
 - enh(typescript) add setInterval, setTimeout, clearInterval, clearTimeout (#2514) [Josh Goebel][]
 - enh(javascript) add setInterval, setTimeout, clearInterval, clearTimeout (#2514) [Vania Kucher][]

src/lib/modes.js

@@ -63,7 +63,7 @@ export const COMMENT = function(begin, end, inherits) {
   mode.contains.push(PHRASAL_WORDS_MODE);
   mode.contains.push({
     className: 'doctag',
-    begin: '(?:TODO|FIXME|NOTE|BUG|XXX):',
+    begin: '(?:TODO|FIXME|NOTE|BUG|OPTIMIZE|HACK|XXX):',
     relevance: 0
   });
   return mode;