pypa/pip — pull request #1247 by qwcode (2013-10-23 02:33:51+00:00)
Title: improved cookbook entry for "Requirements Files"

came out of discussion in #1238

readable version is here: https://github.com/qwcode/pip/blob/0e7f1ab0bea27e4928a3af5981d35c8d387cfb98/docs/cookbook.rst