From f5040263b6a50961e12e64aa2e19fde049dd48c2 Mon Sep 17 00:00:00 2001
From: Simon Howard
Date: Sun, 30 Dec 2007 04:51:56 +0000
Subject: Add environment variable section to manpage.

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 996
---
 man/environment | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 man/environment

(limited to 'man/environment')

diff --git a/man/environment b/man/environment
new file mode 100644
index 00000000..47e3d8ed
--- /dev/null
+++ b/man/environment
@@ -0,0 +1,17 @@
+.SH ENVIRONMENT
+This section describes environment variables that control Chocolate Doom's
+behavior.
+.TP 
+\fBDOOMWADDIR\fR, \fBDOOMWADPATH\fR
+These environment variables provide paths to search for Doom .WAD files when
+looking for a game IWAD file or a PWAD file specified with the '-file' option.
+\fBDOOMWADDIR\fR specifies a single path in which to look for WAD files,
+while \fBDOOMWWADDIR\fR specifies a colon-separated list of paths to search.
+.TP
+\fBPCSOUND_DRIVER\fR
+When running in PC speaker sound effect mode, this environment variable 
+specifies a PC speaker driver to use for sound effect playback.  Valid
+options are "Linux" for the Linux console mode driver, "BSD" for the
+NetBSD/OpenBSD PC speaker driver, and "SDL" for SDL-based emulated PC speaker 
+playback (using the digital output).
+
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