PATCH DIRECTIONS
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This patch file upgrades DOOM 2 v1.666 REGISTERED to DOOM 2 v1.7a.

Unzip the PATCH.ZIP file into the DOOM 2 directory and 
type 'PATCH <ENTER>' at the command line to upgrade.

CHANGES MADE
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* Various level design bugs. (HOM, see thru walls, etc.).
* Sound code changes.

NOTES:
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Players using DOOM 2 version 1.7a should not try to play 
a net or modem game with players using version 1.666. 







