zopefoundation/z3c.form — pull request #3 by eleddy (2013-05-09 06:24:28+00:00)
Title: check to see if item is in ignore list from popping

This is from integration, which likely won't affect most people but its a harmless check either way. Just make sure we don't throw a key error wet set(self.value) parses a string instead of whatever it actually expected for that