Seems that code existed in Doom before this... although the I_PrintfE appears to be new? Part of the "Rage" framework perhaps? Can anyone comment on this?

prboom /prboom-2.5.0/src/v_video.c http://searchco.de/codesearch/view/22440692#975 and line 987

doomlegacy /legacy/trunk/engine/automap/am_map.cpp http://searchco.de/codesearch/view/11303592#1023 and line 1031

chocolate-doom /chocolate-doom-1.6.0/src/am_map.c http://searchco.de/codesearch/view/18457152#1038

The relevant searches http://searchco.de/?q=fuck%2B%2B and http://searchco.de/?q=static+int+fuck

Too bad all the commit history got squashed into one single commit. `git blame` can make it entertaining to see the history of where these types of lines come from :-)

What file is that from?