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Re: [Lynx-dev] lynx word bleeding?


From: Karen Lewellen
Subject: Re: [Lynx-dev] lynx word bleeding?
Date: Tue, 1 Feb 2022 15:52:07 -0500 (EST)

Thanks Travis,
One new element happens now when sending emails using this updated compiled Lynx from my gmail account as well, or downloading items sent to me as attachments.
I do this several times a week, processing research, etc.
Now lynx either does not respond to the view as html link or the download link. Or most unusually if sending an email with an attachment, I get a 408 time out error. Granted fortunately as has been the practice at shellworld an older lynx copy is present.
So, I can roll back and try to send or process the email that way.
still, there is something odd about the upgrade for that to happen in lynx now.
I do admit to a positive from this upgrade,
places like the Washington post, and yahoo news, no longer need me to either use control v for links to be active, or to turn of sending the user agent.
so, it is a mixed blessing I suppose.
Karen



On Tue, 1 Feb 2022, Travis Siegel wrote:

Her screen reader is simply that, it doesn't do anything else, it's a screen reader, (just like almost all screen readers are). As for the problem with lynx, I suspect it happened when shellworld reinstalled their recent version of lynx.  As mentioned before, it was probably compiled with ncurses support, and that's particularly nice for sighted users, what with the colors and cursor tracking, and the like, but all of the features that make it so nice for sighted folks are usually the things that make it not so nice for screen readers.  On the other hand, there is probably a terminal setting that will prevent lynx from behaving that way.  It's been my experience that changing to ansi typically solves the problem, though vt100 (which is usually the default)works just fine in most cases, it's only when programs expect fancy terminals that things break.

Karen had nothing to do with this particular breakage.


On 2/1/2022 1:43 AM, Bela Lubkin wrote:
 Karen Lewellen wrote:

>  Honestly?
>  Well I must have an advantage using a DOS screen reading program arctic
>  business vision to come here, as I have never encountered the slight
>  character overlay I am getting now, and it does not show up everywhere
>  either.
>  the control-l solution is working fine though on those few moments.
>  Have never encountered the  page problem one  until  this particular DOS
>  computer which is much faster than any I have used previously with a
>  faster processor and almost a gig of  memory.
 You said this wasn't happening, and then it started happening.  So
 something changed to cause it.

 This faster 1-gig PC, how long ago did you switch to it?  Did the
 problem start at the same time?

 I don't anything about the Arctic screen reader you're using.  Is it
 truly a screen reader (does nothing else); or does it also handle the
 terminal emulation which collects the screens which it then reads?

 The issue you're having is entirely typical of when the software making
 the display using ESC sequences (here, Lynx via probably ncurses) is
 using a different terminal type definition than the software
 interpreting the ESC sequences (whatever terminal emulator you're using
 -- built into Arctic or separate).

 'using a different definition' can mean something like one things
 'VT100' while the other thinks 'ANSI'.  But even if the names are the
 *same*, there is no guarantee their interpretations of them are the
 same.  At this point in history, telling a piece of Unix-ish software
 that you have a 'vt100' probably produces fairly similar results on
 almost all systems.  But terminal emulators which claim to emulate
 'vt100' are all over the map.

 So, did you switch terminal emulators?  Upgrade versions?  Change which
 terminal type it is instructed to emulate?  If your terminal program
 settings got erased and you had to re-create them, you might have
 inadvertently changed it (by way of having set it to some non-default
 value in the past, and now it's reset back to default).

 To clarify some of the above tangle down to bare bones; to the thing I
 think is most likely to have happened:

 * If you changed anything about your terminal emulator -- different
 emulator, version update, reinstall, whatever -- you probably fell back
 to its default terminal type.  You need to make it match (in terms of
 compatibility, *not* merely name) with what Lynx thinks you're using.

 A particularly likely, common mismatch is if one thinks 'vt100' and the
 other thinks 'ansi', 'xterm', or 'linux'.  Those are all 'compatible
 enough' that Lynx will behave adequately well -- with some glitches like
 words left behind after a screen update.

 One way to approach it is: look at the emulator's list of possible
 emulations.  For each one, tell the emulator to use that; tell Lynx the
 same name; TEST.  So if the emulator supports 'vt52', tell it to use
 that, then set TERM=vt52 and run Lynx -- does it behave better or worse?
 Iterate through all the choices until you find a setting which pairs up
 well.  ('set TERM=vt52 and run Lynx' is itself a possible area of
 confusion depending how accounts are set up on the system, your
 familiarity with *ix shells, etc.)

>  Bela<




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