(No, game, you can't allocate a map header for the credits, why were you doing that before and how did it not break anything??)
(cherry picked from commit e1f9a01229)
Use whatever names you want for your music. So long as you prefix the lumps with O_ or D_, it doesn't matter anymore.
DISCLAIMER: Linedef type 413 (change music) and Lua scripting is not tested.
(cherry picked from commit 025ca413a2)
# Conflicts:
# src/p_user.c
g_game.c: In function 'G_CheckDemoStatus':
g_game.c:5588:22: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses]
if (!modeattacking == ATTACKING_RECORD)
^