Ticket #6297: balanceTags_quicktags-trunk.patch

wp-includes/formatting.php

@@ -1062 +1062 @@
 function balanceTags( $text, $force = false ) {
         if ( !$force && get_option('use_balanceTags') == 0 )
                 return $text;
-        return force_balance_tags( $text );
+        $quicktags = apply_filters( 'balancetags_quicktags', array( 'more.*?', 'nextpage' ) );
+        // Outer capture lets PREG_SPLIT_DELIM_CAPTURE return the quicktags
+        // Inner noncapturing group matches any of the defined quicktags
+        $quicktag_regex = '/(<!--(?:' . implode('|', $quicktags) . ')-->)/';
+        $parts = preg_split($quicktag_regex, $text, -1, PREG_SPLIT_DELIM_CAPTURE);
+        return implode('', array_map('force_balance_tags', $parts));
 }
 
 /**