latexCheckOptions function

Check whether the options for latex functions have been specified.

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(...)

Arguments

• ...: Any arguments are ignored.

Returns

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