elm-lang/core — pull request #19 by jwmerrill (2014-11-24 21:44:23+00:00)
Title: Fix undefined node in collage update.

Fixes issue mentioned in https://github.com/elm-lang/core/commit/f465e1107309c5e363535ddd57437106a55b34fc#diff-0e98d55e294053b5203b3ad344c14056R398.