Changelog:
- The code has been prepared to compile with GCC 10.1.
- Support for tall textures and sprites in DeePsea format has been added.
- Missing textures are now treated as non-fatal.
Woof! is a continuation of Lee Killough's Doom source port MBF targeted
at modern systems.
MBF stands for "Marine's Best Friend" and is regarded by many as the
successor of the Boom source port by TeamTNT.