* Redirect the show_or_new action to either the show page or the new page. Don't use show_or_new to render nonexistent wikis; do that in the regular show action instead. * Make the show action return 404 for nonexistent wikis.
* Redirect the show_or_new action to either the show page or the new page. Don't use show_or_new to render nonexistent wikis; do that in the regular show action instead. * Make the show action return 404 for nonexistent wikis.