[Rd] R-devel: toLatex() for sessionInfo needs to escape new 'Time zone' entry
Henrik Bengtsson
henr|k@bengt@@on @end|ng |rom gm@||@com
Mon Dec 5 23:19:09 CET 2022
I've moved this to https://bugs.r-project.org/show_bug.cgi?id=18443.
/Henrik
On Wed, Nov 30, 2022 at 2:03 PM Henrik Bengtsson
<henrik.bengtsson using gmail.com> wrote:
>
> BACKGROUND:
>
> In recent versions of R-devel, sessionInfo() has a 'tzone' element, e.g.
>
> > sessionInfo()$tzone
> [1] "America/Los_Angeles"
>
>
> ISSUE:
>
> Some time zones, like the one above, has an underscore. This
> underscore is *not* escaped by utils:::toLatex.sessionInfo, e.g.
>
> $ TZ="America/Los_Angeles" Rscript --vanilla -e "toLatex(sessionInfo())"
> \begin{itemize}\raggedright
> \item R Under development (unstable) (2022-11-30 r83391),
> \verb|x86_64-pc-linux-gnu|
> \item Locale: \verb|LC_CTYPE=en_US.UTF-8|, \verb|LC_NUMERIC=C|,
> \verb|LC_TIME=en_US.UTF-8|, \verb|LC_COLLATE=en_US.UTF-8|,
> \verb|LC_MONETARY=en_US.UTF-8|, \verb|LC_MESSAGES=en_US.UTF-8|,
> \verb|LC_PAPER=en_US.UTF-8|, \verb|LC_NAME=C|, \verb|LC_ADDRESS=C|,
> \verb|LC_TELEPHONE=C|, \verb|LC_MEASUREMENT=en_US.UTF-8|,
> \verb|LC_IDENTIFICATION=C|
> \item Time zone America/Los_Angeles
> \item Running under: \verb|Ubuntu 20.04.5 LTS|
> \item Matrix products: default
> \item BLAS: \verb|/home/hb/software/R-devel/trunk/lib/R/lib/libRblas.so|
> \item LAPACK: \verb|/home/hb/software/R-devel/trunk/lib/R/lib/libRlapack.so|
> \item Base packages: base, datasets, graphics, grDevices, methods,
> stats, utils
> \item Loaded via a namespace (and not attached): compiler~4.3.0
> \end{itemize}
>
> This causes LaTeX-based vignettes using toLatex(sessionInfo()) to fail
> their LaTeX compilation with an error, e.g.
>
> Error: processing vignette 'mypkg.Rnw' failed with diagnostics:
> Running 'texi2dvi' on 'mypkg.tex' failed.
> LaTeX errors:
> ! Missing $ inserted.
> <inserted text>
> $
> l.684 \item Time zone America/Los_
> Angeles
> ! LaTeX Error: Command \item invalid in math mode.
>
>
> SUGGESTION:
>
> To fix this, either escape any underscores, e.g.
>
> \item Time zone America/Los\_Angeles
>
> or use \verb as done elsewhere:
>
> \item Time zone \verb|America/Los_Angeles|
>
> /Henrik
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