[R-SIG-Mac] obsolete LaTeX software in "R CMD check" on Mac?

[Duncan Murdoch]

On 12/05/2020 6:17 p.m., Spencer Graves wrote:
> Hello, All:
> 
> 
>         Might "R CMD check" on Mac use obsolete LaTeX software?
> 
> 
>         I ask, because "R CMD check" on my Mac started reporting LaTeX
> errors on *.Rd files that previously passed "R CMD check" without
> problems.  Dirk Eddelbuettel recommended I ask tex.stackexchange about
> that.  I did that and got the following:

If I understand correctly, this error is showing up on *your* Mac.  So 
isn't it easy for you to check if LaTeX is up to date?

The \textasciigrave macro has been used by Rd.sty and Sweave.sty since 
2013, so it's nothing new on R's end.

Duncan Murdoch


> 
> 
>               * "In a current tex system \textasciigrave should work with
> your families - they don't have the glyph but latex will fall back
> without error. In older systems it could give an error."
> 
> 
> See:
> 
> 
> https://tex.stackexchange.com/questions/543783/package-textcomp-error-symbol-textasciigrave-not-provided
> 
> 
>         Comments?
>         Thanks,
>         Spencer Graves
> 
> 
> p.s.  An earlier post on this issue to r-pkg-devel is copied below.
> 
> 
> -------- Forwarded Message --------
> Subject: 	[R-pkg-devel] Error: Symbol \textasciigrave not provided by
> (textcomp)
> Date: 	Sun, 16 Feb 2020 14:21:17 -0600
> From: 	Spencer Graves <spencer.graves using effectivedefense.org>
> To: 	r-package-devel using r-project.org
> 
> 
> 
> Hello, All:
> 
> 
>         "R CMD check Ecfun_0.2-4.tar.gz" ends with 8 repetitions of the
> following:
> 
> 
> ! Package textcomp Error: Symbol \textasciigrave not provided by
> (textcomp)                font family zi4 in TS1 encoding.
> (textcomp)                Default family used instead.
> 
> See the textcomp package documentation for explanation.
> * checking PDF version of manual without hyperrefs or index ... ERROR
> * DONE
> 
> 
>         This is using R 3.6.2 under macOS 10.15.3 applied to the current
> development version of "https://github.com/sbgraves237/Ecfun".  Travis
> CI reported that the build passed;  see
> "https://travis-ci.org/sbgraves237/Ecfun/builds/650505913?utm_medium=notification&utm_source=email".
> 
> 
> 
>         This looks to me like it's complaining about the use of the back
> tick character ("`", below "~" on the top left key on a standard
> American English keyboard), which I assume is equivalent to
> "\textasciigrave" in certain contexts.
> 
> 
>         Six out of those 8 repetitions occur in the examples sections of
> files "grepNonStandardCharacters.Rd", "subNonStandardCharacters.Rd", and
> "subNonStandardNames.Rd". Those functions were written to fix parsing
> errors with names like "Raúl" that had been mangled by different
> software before I could get it into R.
> 
> 
>         After a day's work failed to produce a work around, I decided to
> ask this group.
> 
> 
>         What do you suggest?
>         Thanks,
>         Spencer Graves
> 
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