Locates and parses all vignettes.
parseVignettes(path=".", pattern="[.][^.~]*$", ..., drop="^dummy.tex$")Returns a list where each element corresponds to an
identified vignette source file. A file is considered to be
a vignette source file if it has \Vignette.*{} markups
in the top 50 lines.
Each such vignette element consists of a named list with
the parse \Vignette.*{} information.
The directory where to search for vignettes.
Filename pattern to locate vignettes.
Additional arguments passed to parseVignette().
A vector of filename patterns of vignette sources
to be ignored.
Henrik Bengtsson