Make sure the repository names don't have slashes at the at or else in some cases env[path_info] will not find an defined repository. REQUEST_URI can contain a query_string appending the repository name would lead to corrupt urls.

\.elc$
\.orig$
\.rej$
~$
\.so$
\.pyc$
\.swp$
\.prof$
^tests/.*\.err$
^build/
^dist/
^doc/.*\.[0-9](\.(x|ht)ml)?$
^MANIFEST$
^\.pc/
^patches/
^mercurial/__version__.py$