Date:	Tue, 4 Nov 1997 13:24:51 +0200 (IST)
From:	Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
To:	"Alan M. Doerhoefer" <aland AT seanet DOT com>
cc:	djgpp AT delorie DOT com
Subject:	Re: emacs under dos with cwsdpmi -- problem
In-Reply-To:	<345E20AD.3508@seanet.com>
Message-ID:	<Pine.SUN.3.91.971104132432.19533D-100000@is>
MIME-Version:	1.0

On Mon, 3 Nov 1997, Alan M. Doerhoefer wrote:

> I cannot get emacs to run at all. I am using an unknown version 
> of cwsdpmi which I am guessing is at least 6 months old. Specifically,
> when I type 'emacs', there is some virtually undectable screen activity,
> and then I am returned to the dos prompt in a couple of milliseconds.

The reason for this is described in the file PROBLEMS which comes with
the Emacs distribution.  Look for the word "flashing" (without the
quotes).  That file describes the opposite situation, when the above
happens in Windows 95.

In your case, the problem most probably is that when you unzipped
Emacs, you didn't turn off those pesky numeric tails that Windows
creates when it generates the 8+3 short aliases for long file names.
Emacs looks for a file named lisp/case-table.elc on startup, but
because of the numeric tails, what it sees is lisp/case-t~1.elc, which
is not the same as the truncated case-tab.elc.

If you want a dual DOS/Windows Emacs installation, you need to delete
the entire Emacs installation tree, set NameNumericTail property in
the Windows registry to zero (the DJGPP FAQ explains how, in section
8.2), restart Windows, and unzip the Emacs distribution again with an
unzip program which supports long file name (if that unzip program was
compiled with DJGPP, make sure you set LFN=y before you unzip).

I have such an Emacs installation, and it works in both DOS and
Windows.  I have NameNumericTail set permanently to zero, since I want
to be sure that other DJGPP packages I install from Windows will also
work in plain DOS.

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