Description

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.

Usage

Arguments

Value

If any NULL options are detected, the invisible text of the error message. If all three options have non-NULL values, NULL.

Author(s)

Richard M. Heiberger <rmh@temple.edu>

See Also

latex