Ticket #6697: bug6697.4.patch

wp-includes/default-filters.php

@@ -270 +270 @@
 add_action( 'admin_init', 'register_admin_color_schemes', 1);
 add_action( 'admin_color_scheme_picker', 'admin_color_scheme_picker' );
 
+// Permalink
+function percent_encode_capital_letter($uri) {
+        static $toupper;
+        if (!isset($toupper))
+                $toupper = create_function('$m', 'return strtoupper($m[0]);');
+        $uri = preg_replace_callback('/(%[0-9a-f]{2}?)+/', $toupper, $uri);
+        return $uri;
+}
+add_filter('post_link', 'percent_encode_capital_letter');
+add_filter('page_link', 'percent_encode_capital_letter');
+add_filter('tag_link', 'percent_encode_capital_letter');
+add_filter('category_link', 'percent_encode_capital_letter');
+add_filter('preview_post_link', 'percent_encode_capital_letter');
+add_filter('get_the_guid', 'percent_encode_capital_letter');
+
 unset($filter, $action);
 
 ?>