Ticket #16036: 16036.patch

wp-includes/formatting.php

@@ -818 +818 @@
 }
 
 /**
- * Sanitizes title, replacing whitespace with dashes.
+ * Sanitizes title, replacing whitespace and a few other characters with dashes.
  *
  * Limits the output to alphanumeric characters, underscore (_) and dash (-).
- * Whitespace becomes a dash.
  *
  * @since 1.2.0
  *
@@ -847 +846 @@
         $title = strtolower($title);
         $title = preg_replace('/&.+?;/', '', $title); // kill entities
         $title = str_replace('.', '-', $title);
+        $title = str_replace( array( '%e2%80%93', '%e2%80%94' ), '-', $title ); // ndash and mdash octets
         $title = preg_replace('/[^%a-z0-9 _-]/', '', $title);
         $title = preg_replace('/\s+/', '-', $title);
         $title = preg_replace('|-+|', '-', $title);