+1 seen it so many times, often times from some cut and paste heavy refactor, one is more or less going on autopilot just moving substrings around and then bam.

+1 seen it so many times, often times from some cut and paste heavy refactor, one is more or less going on autopilot just moving substrings around and then bam. Review process hopefully catches it, when it is a bug, and potentially when the semantics are unclear...