[Rd] UTF-8 encoding issue with R CMD check with install-args="--latex"

[Kurt Hornik]

>>>>> Peter Ruckdeschel writes:

Should be fixed now in the trunk with c87598.

Best
-k

> Thanks Ivan and Kurt, for nailing this down, best regards, Peter
> Am 17.01.2025 um 09:01 schrieb Kurt Hornik:
>>>>>>> Ivan Krylov via R-devel writes:
>> Thanks.  Will try to fix ...
>> 
>> Best
>> -k
>> 
>>> В Thu, 16 Jan 2025 18:09:25 +0100
>>> Peter Ruckdeschel via R-devel <r-devel using r-project.org> пишет:
>>>> this is to report some minor UTF-8 encoding issue with R CMD check
>>>> with option --install-args="--latex" (and possibly more install-args).
>>> Thank you for a very detailed report!
>>> This doesn't happen on R-4.2.2 or 4.3.1, but it does happen on R-devel.
>>> Comparing the calls from R CMD check to R CMD Rd2pdf, I see no
>>> difference in the environment variables or any significant difference
>>> in the command lines. The command being run ends up being equivalent to
>>> R CMD Rd2pdf <package>.Rcheck/<package>
>>> ...and the source of the difference is the presence (or absence) of the
>>> <package>.Rcheck/<package>/latex directory. If I temporarily move it
>>> away during an R CMD check --install-args=--latex run, the command
>>> succeeds.
>>> Indeed, tools:::.pkg2tex says
>>>>> ## First check for a latex dir (from R CMD INSTALL --latex).
>>>>> ## Second guess is this is a >= 2.10.0 package with stored .rds
>>>>> ## files.
>>>>> ## If it does not exist, guess this is a source package.
>>>>> latexdir <- file.path(pkgdir, "latex")
>>> The individual *.tex files in the latex/ subdirectory of the installed
>>> package all do start with an "\inputencoding{utf8}" line.
>>> When the latex/ subdirectory doesn't exist, the !dir.exists(latexdir)
>>> branch is taken, where Rd2latex(...) is called with writeEncoding =
>>> FALSE, thus avoiding the problem.
>>> --
>>> Best regards,
>>> Ivan
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