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The problem now thankfully seems to have cured itself. Sorry about the false
alarm.

On Monday 27 October 2014 20:58:33 Chris Austin wrote:
> Hi, a very useful feature of a Maxima session in TeXmacs is the ability to
> display a 3d or 2d plot with, e.g., the plot3d command. During a session
> today, something went wrong, and a 3d plot, which one can normally rotate
> in 3 dimensions by dragging, froze, and I closed the plot window, which is
> always a GNUplot window. And now, for no apparent reason, the same
> commands as before no longer produce the GNUplot window: the plot command
> completes in the normal way, the only difference is that the GNUplot window
> never appears. Ending the Maxima session and starting a new one, starting
> a new TeXmacs file, closing the TeXmacs window and opening a new one, and
> rebooting the computer all bring no improvement. I presume that somehow
> that seemingly minor mishap during that session today must have damaged a
> configuration file. The only likely files I can find, that have been
> modified today, presumably automatically by TeXmacs, are:
>
> .TeXmacs/system/interactive.scm
>
> This is fairly large for a "system" file, 31552 bytes, apparently
> automatically updated while I was working in TeXmacs, and containing a
> great morass of "history", but not in any sort of chronological order, and
> I can see the filename of a new TeXmacs file I created this evening, fairly
> near the start.
>
> .TeXmacs/system/cache/validate_cache.scm
>
> This is also fairly large for a "system" file, 38395 bytes, and has also
> apparently been automatically updated while I was working on TeXmacs this
> evening, and there is a line:
>
> "/home/chris/TeXmacsBuild15/share/TeXmacs/plugins/gnuplot/langs/natural" "0"
>
> near the start. (The strange start to the path, i.e.
> /home/chris/TeXmacsBuild15 instead of /usr, is because I have this build of
> TeXmacs 1.0.7.15 installed in my home directory and run from there, so as
> not to interfere with an older version that is installed in the usual
> place. In fact I never use the older version, so that is not the problem.
> I have been running this build of 1.0.7.15, installed in my home directory,
> for several years now, so that is not the problem either.)
>
> Could the above line, perhaps the "0" at the end, be the problem? I don't
> really want to interfere with these automatically generated files, whose
> format and purpose I don't understand. Would it do any serious damage if I
> deleted one or both of these files, or replaced them by empty files? Or
> could the problem be in some other automatically modified file, that I
> haven't found? Thanks for any help, Chris Austin.
>

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• [TeXmacs] GNUplot window suddenly no longer appears in Maxima session, Chris Austin, 10/27/2014
  • Re: [TeXmacs] GNUplot window suddenly no longer appears in Maxima session, Chris Austin, 10/27/2014
  • Re: [TeXmacs] GNUplot window suddenly no longer appears in Maxima session, Miguel de Benito Delgado, 10/29/2014

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