Re: Babel (scheme): Evaluation errors are not shown

[Marc Nieper-Wißkirchen]

Am Sa., 31. Dez. 2022 um 11:19 Uhr schrieb Marc Nieper-Wißkirchen
<marc@nieper-wisskirchen.de>:
>
> Am Sa., 31. Dez. 2022 um 11:09 Uhr schrieb Marc Nieper-Wißkirchen
> <marc@nieper-wisskirchen.de>:
> >
> > Am Sa., 31. Dez. 2022 um 10:49 Uhr schrieb Ihor Radchenko 
> > <yantar92@posteo.net>:
> > >
> > > Marc Nieper-Wißkirchen <marc@nieper-wisskirchen.de> writes:

[...]

> > >  It is not what we usually do in Org babel. If blocks execution
> > > fails, we display the error in separate buffer and still return the
> > > output available before error has been thrown. See `org-babel-eval' and
> > > `org-babel-eval-error-notify'.
> >
> > I will take a look.
>
> Hmmm... `org-babel-eval-error-notify' assumes that the code was
> evaluated by running an external script.  In the case of the Geiser
> interface to Scheme, the concept of an exit code does not make any
> sense.

Please find attached a version that does not signal an Elisp user
error, but calls `org-babel-eval-error-notify' instead.  To get rid of
the display of the arbitrary error code, could we modify
`org-babel-eval-error-notify' so that nothing is displayed about an
error if the error code is `nil'?

ob-scheme.el
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