openwebwork/pg — pull request #5 by djun-kim (2012-07-25 00:17:39+00:00)
Title: "nullify" string filter to enable un-graded, free-form answer fields (Bug/Enhancement 2379)

I've added a "nullify" string filter to enable un-graded, free-form answer fields, to enable free-form answer fields . I opened an enhancement request for this (#2379) in Bugzilla.