diff --git a/www/common/treesome.js b/www/common/treesome.js
index 0bf912b5d..06201bf6d 100644
--- a/www/common/treesome.js
+++ b/www/common/treesome.js
@@ -199,17 +199,5 @@ define([], function () {
         } while (node && node !== parent);
     };
 
-    // FIXME remove
-    tree.flatten = function (el, ancestor, cursorContainer) {
-        var list = [];
-        for (var el = ancestor; el = tree.getNext(next, ancestor);) {
-            if (cf || el === cursorContainer) {
-                cf = true;
-                list.push(el.tagName);
-            }
-        }
-        return list;
-    };
-
     return tree;
 });
diff --git a/www/render/main.js b/www/render/main.js
index 0f7e3e7fd..c238d86fc 100644
--- a/www/render/main.js
+++ b/www/render/main.js
@@ -62,7 +62,7 @@ define([
 
     var $inner = $('#inner');
 
-    window.makeRainbow = false
+    window.makeRainbow = false;
     var makeRainbows = function () {
         $inner
             .find('*:not(.untouched)')
@@ -75,10 +75,10 @@ define([
 
     var redrawTimeout;
     var lazyDraw = function (md) {
-        redrawTimeout && clearTimeout(redrawTimeout);
+        if (redrawTimeout) { clearTimeout(redrawTimeout); }
         redrawTimeout = setTimeout(function () {
             draw(md);
-            makeRainbow && makeRainbows();
+            if (makeRainbow) { makeRainbows(); }
         }, 450);
     };
 
@@ -94,14 +94,14 @@ define([
                 },
                 // when your editor is ready
                 onReady: function (info) {
-                    info.userList && console.log("Userlist: [%s]", info.userList.join(','));
+                    if (info.userList) { console.log("Userlist: [%s]", info.userList.join(',')); }
                     console.log("Realtime is ready!");
                     $textarea.trigger('keyup');
                 }
             });
 
     $textarea.on('change keyup keydown', function () {
-        redrawTimeout && clearTimeout(redrawTimeout);
+        if (redrawTimeout) { clearTimeout(redrawTimeout); }
         redrawTimeout = setTimeout(function () {
             lazyDraw($textarea.val());
         }, 500);
diff --git a/www/style/main.js b/www/style/main.js
index e8b621cc1..c5308c017 100644
--- a/www/style/main.js
+++ b/www/style/main.js
@@ -6,6 +6,7 @@ define([
     '/bower_components/jquery/dist/jquery.min.js',
     '/customize/pad.js'
 ], function (Config, Realtime, Messages, Crypto) { 
+    // TODO consider adding support for less.js
     var $ = jQuery;
     $(window).on('hashchange', function() {
         window.location.reload();