joyent/node — pull request #4052 by thewilli (2012-09-24 08:19:16+00:00)
Title: handle multiple values of 'proxy-authenticate'

Just as the 'WWW-Authenticate' HTTP header the 'Proxy-Authenticate' header might be received several times as well. Currently only one values is preserved. This change allows to receive multiple values concatenated by space and comma.