I documented this years ago. I release it now, as people seem to be interested. This document is about detailed changes from version to version of id's original executables as well as the resource WAD's.
id Software, without them this document wouldn't exist. The several FAQ authors, some bits are taken from.
Mostly based on my experiences. Some bits are taken from several FAQ's around.
Years. I started aproximately the time Doom 2 came out.
None. However, there might be errors in there. No warranties. No responsibilities.