Ticket #23756: 23756.2.diff

wp-includes/formatting.php

@@ -1600 +1600 @@
 function make_clickable( $text ) {
         $r = '';
         $textarr = preg_split( '/(<[^<>]+>)/', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); // split out HTML tags
+        $nested_level_count = 0; // Keep track of how many levels link is nested
         foreach ( $textarr as $piece ) {
-                if ( empty( $piece ) || ( $piece[0] == '<' && ! preg_match('|^<\s*[\w]{1,20}+://|', $piece) ) ) {
+
+                switch ( $piece ) {
+                        case '<code>' :
+                        case '<pre>'  :
+                                $nested_level_count = $nested_level_count + 1;
+                                break;
+                        case '</code>' :
+                        case '</pre>'  :
+                                $nested_level_count = 0 < $nested_level_count ? $nested_level_count - 1 : $nested_level_count;
+                                break;
+                }
+
+                if ( ( 0 !== $nested_level_count ) || empty( $piece ) || ( $piece[0] == '<' && ! preg_match('|^<\s*[\w]{1,20}+://|', $piece) ) ) {
                         $r .= $piece;
                         continue;
                 }