[AD] MSVC build instructions

[Evert Glebbeek <eglebbk@xxxxxxxxxx>]

Apparently, there's a problem with the MSVC build instructions in the sense 
that you need to use the short names for the directories, and apparenly 
not everyone knows how ti find those.
Phil Shenk posted the attached documentation patch on Allegro.cc. I think 
the wording can be tweaked somewhat, but on the whole I think we can apply 
it.

Evert

--- allegro/docs/build/msvc.txt	2004-12-05 10:01:50.000000000 +0100
+++ msvc.txt.to_diff	2005-01-05 23:06:35.000000000 +0100
@@ -92,6 +92,17 @@
    Windows 2000, you will have to run this file every time you open a DOS box
    or configure the environment variables in Control Panel/System/Environment.
 
+   The make process needs all the path variables to be in DOS 8.3 format, and 
+   since MSVC is usually installed in something like: 
+   "c:\Program Files\Microsoft\Microsoft Visual Studio .NET 2003", this will
+   cause a problem. Note that if you are using vcvars32.bat, you will have to 
+   edit it so that it sets the 8.3 paths, not the long versions.
+   
+   To get 8.3 path names, you can use the command prompt ( cmd.exe ). 
+   Type in "dir /x" to get a listing of the 8.3 file and directory names 
+   alongside of their full names. You can also use the DOS prompt 
+   ( command.exe ) and "dir", but this will only show you the 8.3 names.
+
    If you are using Cygwin as the GNU environment, start the Cygwin bash shell
    from the command prompt (if you used the command prompt to run vcvars32.bat
    then you must start Cygwin in the same command-prompt window you used to