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How about a change to R7RS + SRFI? That would free TM from any particular
Scheme implementation. How many non-(quasi-)standard features (of Guile 1.8)
does TeXmacs currently use? Which ones are the most relevant ones that
prevent an easy move to „Standard“ Scheme? (Pandora box question: what about
a reimplementation in Common Lisp? There is not only a big super-stable
standard, but nowadays, via Quicklisp, also a large number of compatible
libraries.)

Ulf

> Am 16.Apr..2018 um 16:00 schrieb Massimiliano Gubinelli <address@hidden>:
>
> I’m very interested in updating the scheme support. If some schemer around
> is interested I can share with him my understading of the problem.
>
> I evaluated chibi scheme as replacement but the problem is that his support
> for used defined environment is a bit shallow (we need environments because
> TeXmacs rely on tricky non-portable machinery to have his module system
> working).
>
> An interesting possibility is s7 which is a small, dynamic scheme near to
> guile.
>
> Or we go for guile 2.2… which is also possible. but something has to be
> done since the codebase seems not compatible anymore due to
> compilation/evaluation separation in modern guile.
>
> max
>
>
>> On 16. Apr 2018, at 15:43, Philippe Joyez <address@hidden> wrote:
>>
>> Hello,
>>
>> Texmacs won't be back in Debian official repos in the near future because
>> the
>> Scheme scripts engine Texmacs uses (Guile 1.8) is no longer available in
>> Debian (too old, deprecated). Replacing Guile 1.8 by another Scheme engine
>> (not necessarily Guile 2.x) is of course the way to go, but it is a highly
>> non-trivial task.
>>
>> Meanwhile you can install Texmacs (with Guile 1.8) from the repo indicated
>> by
>> Henri; this works well. As an alternative one may also use the
>> (experimental)
>> Appimage:
>> https://download.opensuse.org/repositories/home:/slowphil:/texmacs-devel/AppImage/
>>
>> Philippe
>

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• [TeXmacs] Still not available on Debian 9 ?, Hui Li, 04/14/2018
  • Re: [TeXmacs] Still not available on Debian 9 ?, Henri Girard, 04/14/2018
  • Re: [TeXmacs] Still not available on Debian 9 ?, Henri Girard, 04/14/2018
  • Re: [TeXmacs] Still not available on Debian 9 ?, Philippe Joyez, 04/16/2018
    • Re: [TeXmacs] Still not available on Debian 9 ?, Massimiliano Gubinelli, 04/16/2018
      • Re: [TeXmacs] Still not available on Debian 9 ?, ulfmartin, 04/16/2018

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