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bug#35964: TeX-strip-extension not doing what's documented, TeX-master-f
bug#35964: TeX-strip-extension not doing what's documented, TeX-master-file always returning relative name
Tue, 28 May 2019 17:40:59 +0200
While trying to get TeX-master-file to produce an absolute path, I found
that the `nodir` argument to TeX-strip-extension was not doing what was
expected. The filename was still getting stripped, and the code on lines
4393 to 4398 in `tex.el` was responsible for that.
`TeX-strip-extension` is documented in the function's docstring to
remove the directory name from the file name if (and only if):
(1) The NODIR argument is `t`
(2) The NODIR argument is `'path`, and the file is in the current
directory or in the LaTeX macro path.
However, the second case check is implemented without regard for the
special value 'path, and strips the directory even when NODIR is nil.
I've modified the check to
(if (or (eq nodir t)
(and (eq nodir 'path)
(string-equal dir (expand-file-name "./"))
(member dir TeX-macro-global)
(member dir TeX-macro-private))))
and this gives me an absolute path from `TeX-strip-extension`.
Relatedly, `TeX-master-file` also fails to return an absolute path to
the master file if the `NONDIR` argument is nil because the `NONDIR`
argument is not forwarded to TeX-strip-extension, and thus always
returns a filename without directory part. The relevant line is line
2332 in `tex.el`.
I hope these fixes make sense, if you need any more info please do not
hesitate to ask.
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Jan Seeger <=