A bit of random cleaning.

4chan_x.user.js

@@ -2756,8 +2756,8 @@
   quoteBacklink = {
     init: function() {
       var format;
-      format = conf['backlink'].replace(/%id/, "' + id + '");
+      format = conf['backlink'].replace(/%id/g, "' + id + '");
-      quoteBacklink.funk = Function('id', "return'" + format + "'");
+      quoteBacklink.funk = Function('id', "return '" + format + "'");
       return g.callbacks.push(function(root) {
         var a, container, el, id, link, qid, quote, quotes, _i, _len, _ref, _results;
         if (/\binline\b/.test(root.className)) return;
@@ -2765,7 +2765,7 @@
         _ref = $$('.quotelink', root);
         for (_i = 0, _len = _ref.length; _i < _len; _i++) {
           quote = _ref[_i];
-          if (qid = quote.hash.slice(1)) quotes[qid] = quote;
+          if (qid = quote.hash.slice(1)) quotes[qid] = true;
         }
         id = $('input', root).name;
         a = $.el('a', {
@@ -2775,8 +2775,9 @@
         });
         _results = [];
         for (qid in quotes) {
-          if (!(el = $.id(qid))) continue;
+          if (!(el = $.id(qid)) || el.className === 'op' && !conf['OP Backlinks']) {
-          if (el.className === 'op' && !conf['OP Backlinks']) continue;
+            continue;
+          }
           link = a.cloneNode(true);
           if (conf['Quote Preview']) {
             $.on(link, 'mouseover', quotePreview.mouseover);
@@ -3178,15 +3179,11 @@
     empty: 'data:image/gif;base64,R0lGODlhEAAQAJEAAAAAAP///9vb2////yH5BAEAAAMALAAAAAAQABAAAAIvnI+pq+D9DBAUoFkPFnbs7lFZKIJOJJ3MyraoB14jFpOcVMpzrnF3OKlZYsMWowAAOw==',
     dead: 'data:image/gif;base64,R0lGODlhEAAQAKECAAAAAP8AAP///////yH5BAEKAAIALAAAAAAQABAAAAIvlI+pq+D9DAgUoFkPDlbs7lFZKIJOJJ3MyraoB14jFpOcVMpzrnF3OKlZYsMWowAAOw==',
     update: function() {
-      var clone, favicon, l;
+      var favicon, l;
       l = unread.replies.length;
       favicon = $('link[rel="shortcut icon"]', d.head);
       favicon.href = g.dead ? l ? this.unreadDead : this.dead : l ? this.unread : this["default"];
-      if (engine !== 'webkit') {
+      if (engine !== 'webkit') return $.add(d.head, $.rm(favicon));
-        clone = favicon.cloneNode(true);
-        favicon.href = null;
-        return $.replace(favicon, clone);
-      }
     }
   };
 

script.coffee

@@ -2157,26 +2157,25 @@ titlePost =
 
 quoteBacklink =
   init: ->
-    format = conf['backlink'].replace /%id/, "' + id + '"
+    format = conf['backlink'].replace /%id/g, "' + id + '"
-    quoteBacklink.funk = Function 'id', "return'#{format}'"
+    quoteBacklink.funk = Function 'id', "return '#{format}'"
     g.callbacks.push (root) ->
       return if /\binline\b/.test root.className
       quotes = {}
       for quote in $$ '.quotelink', root
-        #don't process >>>/b/
+        # Don't process >>>/b/.
         if qid = quote.hash[1..]
-          #duplicate quotes get overwritten
+          # Duplicate quotes get overwritten.
-          quotes[qid] = quote
+          quotes[qid] = true
-      # op or reply
+      # OP or reply id.
       id = $('input', root).name
       a = $.el 'a',
         href: "##{id}"
         className: if root.hidden then 'filtered backlink' else 'backlink'
         textContent: quoteBacklink.funk id
       for qid of quotes
-        continue unless el = $.id qid
+        # Don't backlink the OP.
-        #don't backlink the op
+        continue if !(el = $.id qid) or el.className is 'op' and !conf['OP Backlinks']
-        continue if el.className is 'op' and !conf['OP Backlinks']
         link = a.cloneNode true
         if conf['Quote Preview']
           $.on link, 'mouseover', quotePreview.mouseover
@@ -2472,9 +2471,7 @@ Favicon =
     #`favicon.href = href` isn't enough on Opera
     #Opera won't always update the favicon if the href do not change
     if engine isnt 'webkit'
-      clone = favicon.cloneNode true
+      $.add d.head, $.rm favicon
-      favicon.href = null
-      $.replace favicon, clone
 
 redirect =
   init: ->