Thanks, Moisè, for looking into this and thank you Keita for verifying the issue.
I shall use tex-doc for the time being. ---Fran On 22 October 2017 at 18:25, Mosè Giordano <m...@gnu.org> wrote: > Hi Keita, > > 2017-10-22 15:13 GMT+02:00 Ikumi Keita <ik...@ikumi.que.jp>: > > Hi Fran and Mosè, > > > >>>>>> Mosè Giordano <m...@gnu.org> writes: > >> Hi Fran, > >> 2017-10-19 23:38 GMT+02:00 Fran Burstall (Gmail) < > fran.burst...@gmail.com>: > >>> Greetings! > >>> > >>> I do > >>> > >>> M-x TeX-documentation-texdoc > >>> > >>> and supply the argument amsmath when prompted. An evince > >>> window fires with the documentation but emacs is blocked > >>> until I exit evince. > >>> > >>> If I try the same thing with tex-doc, evince fires but emacs > >>> remains usable. > >>> > >>> Experiment suggests that the former uses > >>> shell-command-to-string and this blocks while the latter > > > >> That's true, but I can't reproduce your issue. > > > > Fran's problem reproduces on my machine. The output of > > TeX-sumit-bug-report is at the tail of this message. > > > >> What happens if you run > > > >> texdoc amsmath > > > >> in your terminal? For me the viewer is opened in the background, so > >> the shell is free and the prompt readily appears, without waiting for > >> the viewer to be closed. Isn't this the case for you? > > > > My result is the same as Fran's, too. On my kterm (xterm variant > > capable of dealing with Japanese texts), the viewer is opened in the > > background, the shell is free and the prompt readily appears, without > > waiting for the viewer to be closed. > > > > It doesn't help to change the part > > (concat "texdoc --view " pkg) > > in `TeX-documentation-texdoc' to > > (concat "exec texdoc --view " pkg " &") > > for my case. It seems that emacs grabs something of the subprocess of > > the shell and does not release it until all(?) of subprocess terminate. > > Thanks for sharing your experience. The problem with texdoc program > is that it doesn't use return status in a meaningful way. There is no > way to know if it was able to find a documentation for the requested > package besides reading the output. Try this: > > $ texdoc foobar > Sorry, no documentation found for foobar. > If you are unsure about the name, try searching CTAN's TeX catalogue at > http://ctan.org/search.html#byDescription. > $ echo $? > 0 > > Fran, as a workaround you can bind `TeX-doc' to C-c ? with > > (with-eval-after-load "tex" > (define-key TeX-mode-map (kbd "C-c ?") 'TeX-doc)) > > even if I'd like to find a solution to keep `TeX-documentation-texdoc' > working. > > Bye, > Mosè >
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