From 376524e3adb8fb1f1e6112704151dd9682abc3c6 Mon Sep 17 00:00:00 2001
From: Alexander Ebert <ebert@woltlab.com>
Date: Thu, 10 Aug 2017 14:00:55 +0200
Subject: [PATCH] Fixed removal of block element attributes

Fixes #2370
---
 .../redactor2/plugins/WoltLabBlock.js         | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/wcfsetup/install/files/js/3rdParty/redactor2/plugins/WoltLabBlock.js b/wcfsetup/install/files/js/3rdParty/redactor2/plugins/WoltLabBlock.js
index 38be62bd54..302749db4c 100644
--- a/wcfsetup/install/files/js/3rdParty/redactor2/plugins/WoltLabBlock.js
+++ b/wcfsetup/install/files/js/3rdParty/redactor2/plugins/WoltLabBlock.js
@@ -106,6 +106,28 @@ $.Redactor.prototype.WoltLabBlock = function() {
 				
 				return $(firstBlock);
 			}).bind(this);
+			
+			this.block.removeAllAttr = (function(block) {
+				block = this.block.getBlocks(block);
+				
+				var returned = [];
+				$.each(block, function(i,s)
+				{
+					if (typeof s.attributes === 'undefined')
+					{
+						returned.push(s);
+					}
+					
+					// WoltLab fix: `attributes` is a live collection
+					while (s.attributes.length) {
+						s.removeAttribute(s.attributes[0].name);
+					}
+					
+					returned.push(s);
+				});
+				
+				return returned;
+			}).bind(this);
 		},
 		
 		register: function(tag, arrowKeySupport) {
-- 
2.20.1