Ticket #19854: 19854.3.diff

wp-includes/functions.php

@@ -3430 +3430 @@
                 $all_headers = $default_headers;
         }
 
+        $file_data = str_replace( array( "\r\n", "\r" ), "\n", $file_data );    // Line endings can be just \r on Mac
+        
         foreach ( $all_headers as $field => $regex ) {
                 preg_match( '/^[ \t\/*#@]*' . preg_quote( $regex, '/' ) . ':(.*)$/mi', $file_data, ${$field});
                 if ( !empty( ${$field} ) )