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 ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel