mattt/TTTAttributedLabel — pull request #60 by adamjernst (2012-02-22 21:29:41+00:00)
Title: Be careful not to crash in characterIndexAtPoint:

If you don't have any lines in the framesetter at all, `characterIndexAtPoint:` would crash by attempting to read from index 0. Work around this neatly by returning `NSNotFound` in this case.