TVX: Second set of changes

[Bruce Wampler]

This is the second revision report for TVX, creating new version
of 2/6/86.  If you missed the first set of revisions, send me e-mail
and I will send to you directly.
**** Change 11 ====================================================
	In file tvx_1.c, in routine insert, there are four
occurrences of the line:

	if (ins_msg)
	    ....
Change all four lines to:

	if (ins_msg && how)
	    ...
---
	This is a cosmetic change - it fixes the ugliness you get
with the ### Insert Mode ### message on the ^G and ^E commands.

**** Change 12 ======================================================
	This change fixes a SERIOUS bug in file tvx_1.c in routine
edit.  Change the old lines reading:
----- old ------

    lastln = curlin;		/* remember where we were */
    for (ni = 0 ; ni < 10 ; noteloc[ni++] = curlin)
	;			/* init noteloc */

To the new lines:
------ new -----
    lastln = 1	;		/* remember where we were */
    for (ni = 0 ; ni < 10 ; noteloc[ni++] = 1)
	;			/* init noteloc */
----------
If the buffer was empty (when you create a new file), then the
value curlin was not valid.  Later, after text has been added,
the noteloc array points to invalid lines, and it was possible to
lose the entire new text entered.

****** Note about the atari 520st ==================================
	The stdio.h file provided with the developer's kit is
brain damaged (mostly in portab.h).  It is necessary to remove
references to portab.h and perhaps a couple of other things.
	I can supply a replacement stdio.h and two build batch
files to anyone compiling a version for the atari 520st.

**** Note on Unix System V =======================================
	The file in the original distribution called tvx_unix.c
should probably be called tvx_bsd.c as it doesn't port to
system V very well.  Supposedly someone has done a System V port,
and I can provide more details.  If you port to a new system,
probably the best approach is to isolate stuff in a file called
tvx_yoursystem.c, just like tvx_ibm.c and tvx_unix.c (which should
be tvx_bsd.c).
---
--
Dr. Bruce E. Wampler
University of New Mexico
Department of Computer Science
Albuquerque, NM 87131

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