Ticket #16282: both.16282.diff

wp-includes/taxonomy.php

@@ -879 +879 @@
 
         if ( 'slug' == $field ) {
                 $field = 't.slug';
-                $value = sanitize_title($value);
+                $value = sanitize_title_for_query($value);
                 if ( empty($value) )
                         return false;
         } else if ( 'name' == $field ) {
@@ -2825 +2825 @@
                         $term = &get_term($term, $taxonomy);
                 } else {
                         $term = &get_term_by('slug', $term, $taxonomy);
+                        if ( !is_object($term) )
+                                $term = &get_term_by('name', $term, $taxonomy);
                 }
         }