Why was this question (not mine, although I answered) deleted? It's currently at net +4 (with one favorite), and several constructive answers, but it was deleted by Shog9. Per the FAQ,
Generally we only delete closed, low scoring posts with no answers or poor answers. Closed posts are all "candidates for deletion" but generally only irrecoverably off topic/poor questions without useful information in answers should be deleted.
but this doesn't seem to me to meet that standard.
The asker's account seems to have been deleted as well, but since the question was deleted by a mod I figured that was separate.