Fix highlighter selection of MESSAGE_PUBLIC_HIGHLIGHTERS is empty

see #2752

diff --git a/com.woltlab.wcf/templates/wysiwyg.tpl b/com.woltlab.wcf/templates/wysiwyg.tpl
index e71298456b9ea22fa5c426807c37858d1d1cf7c4..c944243280e9075623da294ab928e480abda8d9c 100644 (file)
--- a/com.woltlab.wcf/templates/wysiwyg.tpl
+++ b/com.woltlab.wcf/templates/wysiwyg.tpl
@@ -120,7 +120,7 @@
                        var allowedInlineStyles = [], buttons = [], buttonMobile = [], buttonOptions = [], customButtons = [];
                        {include file='wysiwygToolbar'}
                        
-                       var highlighters = '{@MESSAGE_PUBLIC_HIGHLIGHTERS|encodeJS}'.split(/\n/);
+                       var highlighters = '{@MESSAGE_PUBLIC_HIGHLIGHTERS|encodeJS}'.split(/\n/).filter(function (item) { return item != ''; });
                        
                        {include file='mediaJavaScript'}