Ticket #23756: 23756.patch

wp-includes/formatting.php

@@ -1601 +1601 @@
         $r = '';
         $textarr = preg_split( '/(<[^<>]+>)/', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); // split out HTML tags
         foreach ( $textarr as $piece ) {
-                if ( empty( $piece ) || ( $piece[0] == '<' && ! preg_match('|^<\s*[\w]{1,20}+://|', $piece) ) ) {
+
+                switch ( $piece ) {
+                        case '<code>' :
+                        case '<pre>'  :
+                                $in_code = true;
+                                break;
+                        case '</code>' :
+                        case '</pre>'  :
+                                $in_code = false;
+                                break;
+                }
+
+                if ( $in_code || empty( $piece ) || ( $piece[0] == '<' && ! preg_match('|^<\s*[\w]{1,20}+://|', $piece) ) ) {
                         $r .= $piece;
                         continue;
                 }