the command line or in a project's ``install_requires``.  Previously, a
normalized form of the name was used, which could lead to unnecessary
full-index searches when a project's name had an underscore (``_``)
in it.

--HG--
branch : setuptools
extra : convert_revision : svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/sandbox/trunk/setuptools%4041942