Sweave
, but package
writers may choose to use a different engine (e.g., one provided by the
vignetteEngine(name, weave, tangle, pattern = NULL,
package = NULL, aspell = list())
NULL
for the default pattern.vignetteEngine
.filter
and/or
control
giving the respective arguments to be used when spell
checking the text in the vignette source file with
aspell
.NULL
. Otherwise a list
containing components"[.][RrSs](nw|tex)$"
weave
is missing, vignetteEngine
will return the currently
registered engine matching name
and package
.If weave
is NULL
, the specified engine will be deleted.
Other settings define a new engine. The weave
and tangle
functions must be defined with argument lists compatible with
function(file, ...)
. Currently the ...
arguments may
include logical argument quiet
and character argument
encoding
; others may be added in future. These are described in
the documentation for Sweave
and Stangle
.
The weave
and tangle
functions should return the
filename of the output file that has been produced. Currently the
weave
function, when operating on a file named tangle
function must produce a file
named
Sweave
and the