CleverRaven/Cataclysm-DDA — pull request #3174 by ianestrachan (2013-09-22 03:31:28+00:00)
Title: Hallucinatory trail-leaving monsters leave no trails

Fixes #3169.

Also replaces that one weird statement in monmove that put down 3 1-intensity acid fields in a row with a single 3-intensity field. Since they're cumulative, the end result will be the same.