Pylons/pyramid — pull request #1370 by timka (2014-07-01 18:24:29+00:00)
Title: Query string arg names starting with equal sign

I use %3D (URL encoded equal sign) prefix in argument name for filter parametrization:

GET /users?%3Dphone_number=1234567

Since request_param supports matching specific values with equal sign syntax, this doesn't work when route registered with explicit filter args names in request_param.