fgeo_help() finds all fgeo help files. You can refine
your search directly on the viewer panel of RStudio or via a string passed
as the first argument to fgeo_help().
A character string to be matched in the name, alias or title
of a topic's documentation. Defaults to matching everything, which
retrieves all the documentation of fgeo packages.
package
A character string giving the name of one or more
packages to limit the search, or NULL to search all fgeo packages.
rebuild
a logical indicating whether the help database should
be rebuilt. This will be done automatically if lib.loc or
the search path is changed, or if package is used and a value
is not found.