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

[Peter Ruckdeschel]

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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