Ticket #12491: 12491.diff

wp-includes/template-loader.php

@@ -20 +20 @@
 
 if ( defined('WP_USE_THEMES') && WP_USE_THEMES ) :
         $template = false;
-        if     ( is_404()            && $template = get_404_template()            ) :
+        if     ( $template = apply_filters('pre_template_include', $template)     ) :
+        elseif ( is_404()            && $template = get_404_template()            ) :
         elseif ( is_search()         && $template = get_search_template()         ) :
         elseif ( is_tax()            && $template = get_taxonomy_template()       ) :
         elseif ( is_home()           && $template = get_home_template()           ) :