Hi Ikumi and Arash (and anyone else looking at this),
after poking around for a bit, I've come to the conclusion that the bulk of
the problem (if not all of it) is TeX-ConTeXt-sentinel.
First, there is some peculiar code in there. For example, I see
(cond ((TeX-TeX-sentinel-check process name))
which has a CONDITION, but not a BODY. It doesn't make sense to me,
although maybe there is some side-effect or some other thing that elisp
wizards recognize, but I don't.
Second, unlike TeX-TeX-sentinel and TeX-LaTeX-sentinel, it (apparently)
doesn't attempt to parse the errors.
Third, the comment for the ConTeXt version of that function doesn't say
Parse the output buffer to collect errors and warnings if the
variable `TeX-parse-all-errors' is non-nil.
Open the error overview if
`TeX-error-overview-open-after-TeX-run' is non-nil and there are
errors or warnings to show."
unlike the other two.
Fourth, when I change context.el to have
(setq TeX-sentinel-default-function #'TeX-TeX-sentinel))
instead of
(setq TeX-sentinel-default-function #'TeX-ConTeXt-sentinel))
then C-c ` actually does something (sort of) sensible.
-> It doesn't parse things correctly, so the *TeX Help* buffer doesn't have
the complete error message, and
-> It complains "Could not determine file for error" and replaces the
window showing the ConTeXt file with a window showing the actual output.
(Which means you do get to see the error, but your TeX file is no longer
visible.)
(The same problem happens if I try TeX-LaTeX-sentinel.)
I don't see how TeX-ConTeXt-sentinel() ever did anything useful. But it
has been around a long time, so maybe it worked back in ConTeXt MkII days.
I would guess (someone familiar with the AUCTeX code base might want to
comment on this) that a whole new TeX-ConTeXt-sentinel() function is
needed, and perhaps TeX-find-display-help() needs some help as well.
Thoughts?
Jim
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