
Last chance! 50% off unlimited learning
Sale ends in
Check whether the options for latex functions have been specified.
If any of
options()[c("latexcmd","dviExtension","xdvicmd")]
are NULL
, an error message is displayed.
latexCheckOptions(...)
If any NULL
options are detected, the invisible text of the
error message. If all three options have non-NULL
values, NULL.
Any arguments are ignored.
Richard M. Heiberger <rmh@temple.edu>