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A general description is here.
‘R CMD check’ will leave a log file ‘build_vignettes.log’ from the re-building of vignettes in the ‘.Rcheck’ directory if there is a problem, and always if environment variable ‘_R_CHECK_ALWAYS_LOG_VIGNETTE_OUTPUT_’ is set to a true value.
‘smooth(x, *)’ now also works for long vectors.
‘tools::texi2dvi()’ has a workaround for problems with the ‘texi2dvi’ script supplied by ‘texinfo 6.1’.
It extracts more error messages from the LaTeX logs when in emulation mode.