fabiangreffrath/crispy-doom — pull request #47 by plumsinus (2014-09-09 15:45:46+00:00)
Title: Fix IDCLEV0x and IDCLEV00 to require 0s...

and not punctuation (IDCLEV,,) etc.

Checking (buf[1] - '0' == 0) seemed like the simplest solution that also prevents e.g. IDCLEV30 in Doom 1 from doing anything.