silverstripe/silverstripe-framework — pull request #2708 by chillu (2013-12-07 10:17:05+00:00)
Title: Merge query strings in $.path rather than duplicating

Fixes common duplications like ?locale=en_US&locale=en_US, triggered e.g. by
gridfield's showDetailView().

See https://github.com/silverstripe/silverstripe-translatable/issues/154