From c9f67a04f5ffc8e633344a276c78dfe666071b7a Mon Sep 17 00:00:00 2001
From: Nicolas Stepien <stepien.nicolas@gmail.com>
Date: Tue, 3 Apr 2012 10:10:20 +0200
Subject: [PATCH] Use an empty string instead of null for
 document.implementation.createHTMLDocument, should fix Opera compatibility.

---
 4chan_x.user.js | 12 ++++++------
 script.coffee   | 12 ++++++------
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/4chan_x.user.js b/4chan_x.user.js
index c22cdf76b..ee9dc92d7 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -725,7 +725,7 @@
         a.textContent = "" + req.status + " " + req.statusText;
         return;
       }
-      doc = d.implementation.createHTMLDocument(null);
+      doc = d.implementation.createHTMLDocument('');
       doc.documentElement.innerHTML = req.response;
       Threading.op($('body > form', doc).firstChild);
       node = d.importNode(doc.getElementById(replyID));
@@ -830,7 +830,7 @@
         return;
       }
       a.textContent = a.textContent.replace('\u00d7 Loading...', '-');
-      doc = d.implementation.createHTMLDocument(null);
+      doc = d.implementation.createHTMLDocument('');
       doc.documentElement.innerHTML = req.response;
       nodes = [];
       _ref = $$('.reply', doc);
@@ -1873,7 +1873,7 @@
     },
     response: function(html) {
       var b, doc, err, node, persona, postNumber, reply, thread, _, _ref;
-      doc = d.implementation.createHTMLDocument(null);
+      doc = d.implementation.createHTMLDocument('');
       doc.documentElement.innerHTML = html;
       if (doc.title === '4chan - Banned') {
         QR.error('_', $.el('a', {
@@ -2421,7 +2421,7 @@
           return;
         }
         Updater.lastModified = this.getResponseHeader('Last-Modified');
-        doc = d.implementation.createHTMLDocument(null);
+        doc = d.implementation.createHTMLDocument('');
         doc.documentElement.innerHTML = this.response;
         id = $('input', Updater.br.previousElementSibling).name;
         nodes = [];
@@ -3024,7 +3024,7 @@
         inline.textContent = "" + req.status + " " + req.statusText;
         return;
       }
-      doc = d.implementation.createHTMLDocument(null);
+      doc = d.implementation.createHTMLDocument('');
       doc.documentElement.innerHTML = req.response;
       node = id === threadID ? Threading.op($('body > form', doc).firstChild) : doc.getElementById(id);
       newInline = QuoteInline.table(id, node.innerHTML);
@@ -3113,7 +3113,7 @@
         qp.textContent = "" + req.status + " " + req.statusText;
         return;
       }
-      doc = d.implementation.createHTMLDocument(null);
+      doc = d.implementation.createHTMLDocument('');
       doc.documentElement.innerHTML = req.response;
       node = id === threadID ? Threading.op($('body > form', doc).firstChild) : doc.getElementById(id);
       qp.innerHTML = node.innerHTML;
diff --git a/script.coffee b/script.coffee
index c38bbbbdf..49687df6d 100644
--- a/script.coffee
+++ b/script.coffee
@@ -625,7 +625,7 @@ ExpandComment =
       a.textContent = "#{req.status} #{req.statusText}"
       return
 
-    doc = d.implementation.createHTMLDocument null
+    doc = d.implementation.createHTMLDocument ''
     doc.documentElement.innerHTML = req.response
 
     Threading.op $('body > form', doc).firstChild
@@ -710,7 +710,7 @@ ExpandThread =
 
     a.textContent = a.textContent.replace '\u00d7 Loading...', '-'
 
-    doc = d.implementation.createHTMLDocument null
+    doc = d.implementation.createHTMLDocument ''
     doc.documentElement.innerHTML = req.response
 
     nodes = []
@@ -1566,7 +1566,7 @@ QR =
     QR.ajax = $.ajax $('form[name=post]').action, callbacks, opts
 
   response: (html) ->
-    doc = d.implementation.createHTMLDocument null
+    doc = d.implementation.createHTMLDocument ''
     doc.documentElement.innerHTML = html
     # Check for ban.
     if doc.title is '4chan - Banned'
@@ -2067,7 +2067,7 @@ Updater =
         return
       Updater.lastModified = @getResponseHeader 'Last-Modified'
 
-      doc = d.implementation.createHTMLDocument null
+      doc = d.implementation.createHTMLDocument ''
       doc.documentElement.innerHTML = @response
 
       id = $('input', Updater.br.previousElementSibling).name
@@ -2519,7 +2519,7 @@ QuoteInline =
       inline.textContent = "#{req.status} #{req.statusText}"
       return
 
-    doc = d.implementation.createHTMLDocument null
+    doc = d.implementation.createHTMLDocument ''
     doc.documentElement.innerHTML = req.response
 
     node =
@@ -2593,7 +2593,7 @@ QuotePreview =
       qp.textContent = "#{req.status} #{req.statusText}"
       return
 
-    doc = d.implementation.createHTMLDocument null
+    doc = d.implementation.createHTMLDocument ''
     doc.documentElement.innerHTML = req.response
 
     node =