bug#50237: 28.0.50; [calc] Default terminal when plotting in gnuplot without x11 support

[Lars Ingebrigtsen]

Ihor Radchenko <yantar92@gmail.com> writes:

>> OK; I've now pushed a fix for this to Emacs 28 which seems to work in my
>> simulated test case.  Can you update Emacs and see whether it works for
>> you, too?
>
> Thanks! I cannot reproduce my recipe anymore on master. The dumb
> terminal is correctly used.

Thanks for testing; I'm closing the bug report, then.

> However, I am not sure if your fix is going to work on gnuplot ver. <3.
> calc-graph-plot has the following lines:
>
> ((>= calc-gnuplot-version 3)
>                    "dumb")
>
> In theory, if someone is still using such an antique gnuplot version and
> also compiled it without x11 support, "dumb" terminal may not be a good
> fallback. It is very unlikely though.

Yeah, I think so.  (And it doesn't make the situation worse, at least.)

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   bloggy blog: http://lars.ingebrigtsen.no