🚀 go-pugleaf

I'm having a problem with the display of xdvi.  While it generally works
well, some lines come out distorted.  Namely, they come partly "doubled up".
That is, these few lines seem to be partially printed twice, slightly offset
(vertically) from each other.  Somethines, a whole line comes out that way;
more often, part of a line.   The "doubling" is usually only partial -- that
is, part of the line is printed at one height, and part vertically offset a bit.

I'm using ISC Unix 3.0 (same problem with 2.2.1), a version of SVR3.2 for
the '386.  I've compiled with gcc, cc, and with every conceivable compile time
option -- including "-DNOTOOL", etc.  Dispalying with unshrunk fonts
("-s 1") doesn't help.  The same problem occurrs using Dell Unix SVR4.0.

I'm using MetroLink's X, X11R4 -- but, as I recall, I had the same problem
with other servers (e.g., ISC's native server).  I'm using an Orchid
ProDesigner card; but as I recall, I had the same problem with an earlier
Trident card (I think).  The monitor is an Idek Liyama; it's in SVGA
1024x768 mode, interlaced.  (But as I recall using the monitor in other
modes produces the shame problem.)

Using MetroLink's own compiled version of xdvi, under Dell Unix SVR4.0,
was no better.  (This was also compiled by MetroLink from an earlier
release of xdvi.)

This problem seems to exist only with the xdvi client.  I haven't seen
this problem with anything else -- including other TeX previewers.  So, I
suspect that it may be a bug in xdvi.  However, no one on any other platform,
to the best of my knowledge, has reporeted this peculiar problem.

Note:  This problem does not occur if one uses dvips and ghostscript to
preview dvi files.  Or, if one uses DOS and the ArborTeX previewer.

I'm perplexed.  I'd appreciate enlightenment from someone.  As I don't always
read this newsgroup, I'd appreciate email.  I'll summarize to the net when
the problem is solved.


		Sincerely yours,

		Saul Lubkin