Ticket #19666: 19666.patch

class-wp-editor.php

@@ -314 +314 @@
                                         'extended_valid_elements' => 'article[*],aside[*],audio[*],canvas[*],command[*],datalist[*],details[*],embed[*],figcaption[*],figure[*],footer[*],header[*],hgroup[*],keygen[*],mark[*],meter[*],nav[*],output[*],progress[*],section[*],source[*],summary,time[*],video[*],wbr',
                                         'wpeditimage_disable_captions' => $no_captions,
                                         'wp_fullscreen_content_css' => self::$baseurl . '/plugins/wpfullscreen/css/wp-fullscreen.css',
-                                        'plugins' => implode( ',', $plugins )
+                                        'plugins' => implode( ',', $plugins ),
+                                        
+                                        // work around http://www.tinymce.com/develop/bugtracker_view.php?id=4918
+                                        'setup' => "function(ed) {
+                                                ed.onBeforeSetContent.add(function(ed, o) {
+                                                        if ( o.content.indexOf('<pre') != -1) {
+                                                                o.content = o.content.replace(/<pre[^>]*>[\\s\\S]+?<\\/pre>/g, function(a) {
+                                                                        return a.replace(/(\\r\\n|\\n)/g, '<br />');
+                                                                });
+                                                        }
+                                                });
+                                        }",
                                 );
 
                                 // load editor_style.css if the current theme supports it