Re: TeX-master and TeX-output-master

[Al Haji-Ali]

Hello Ikumi,
>
> Though I haven't tested the new feature discussed here, it seems that
> the proposed patch still needs refinement. AUCTeX falls into infinite
> loop after C-c C-c latex RET, if I let `TeX-output-dir' to be default
> value of nil. In addition, C-c C-c claen RET gives the error "Symbol's
> value as variable is void: mode-prefix".
>
> And after I set `TeX-output-dir' to "build", just C-c C-c gives the
> error "Symbol's value as variable is void: mode-prefix".

Apologies! For some reason on my private emacs configuration `when-let*` 
behaves differently than on a clean emacs. Attached is a corrected patch that 
resolves all these issues (the patch is also based on the latest commit on the 
master branch). Tested on a non-configured Emacs 28.0.50.

One thing to discuss is the correct place to create the output directory if it 
does not exists. I personally use `latexmk` which creates the output directory 
automatically but it seems `pdflatex` requires the directory to exist. Right 
now I create the directory when expanding `%output-dir` but it can be argued 
that it is not the best place.

Best regards,
Al

auctex-output-dir.patch
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