anybody wrote
It is something I found in a htaccess file for MODx. TRUSTAbyss' AWS:MRT ignored it during the translation so I assume it was safe to ignore.
I don't really know what to do about RewriteRules that show up like that. I can force the script to ignore RewriteRule's that have just a "-" for the redirect. I don't think this will cause problems for the rest of the script, since it's invalid anyway. Basically, if it has a "-" from the beginning of the script, it will ignore the RewriteRule and proceed to the next. Do you like the idea?