The wordpress MU .htaccess contains the following rules. The highlighted rule is supposed to handle the URL for themes (as well as any other files in wp-content folder): RewriteEngine On RewriteBase BASE/ #uploaded file RewriteRule ^(.*/)?files/$ index.php [L] RewriteRule ^(.*/)?files/(.*) wp-content...

Instead of editing the source .htaccess file and re-importing it you can edit the original mod_rewrite rules inside of the rule importer UI. As you make the edits the converted rules will be updated on the fly. Regarding not preserving stopProcessing flag when importing the rules - there is a bug in...