libwww-perl/WWW-Mechanize — pull request #21 by Corion (2013-12-16 19:09:59+00:00)
Title: Add a somewhat more descriptive error message when ->request is called w...

...ithout a parameter

This replaces the error message

"Can't call method ->header on an undefined value"

somewhere deep in WWW::Mechanize with the error message

'->request was called without a request parameter'

from the perspective of the caller instead.