Wrapper functions around the default help functions from the utils package. If online, you'll be redirected to RDocumentation. If you're offline, you'll fall back onto your locally installed documentation files.
help(...)"?"(...)
help.search(...)
the arguments you'd pass to the default utils function with the same name
for slow internet connections, a timeout can be set for getting the page of RDocumentation via options("RDocumentation.timeOut" = nb_of_seconds) the default timeout is 3 seconds.