.BG
.VE $Header: /usr3/s/current/s/.help/RCS/help,v 1.4 83/12/30 19:29:01 rab Exp $
.FN help
.FN call
.TL
help call: On-line Documentation
.CS
help("name")    # information about functions
help(macro="name")    # information about macros
help(dataset="name")    # information about datasets

call("name")   # just give title and argument names
call(macro="name")
.PP
.AG name
character string, giving the name of a function, operator,
macro, or dataset.  If omitted, documentation on "help" is
given (this documentation).
.PP
If information is found on `name', the documentation will be printed.
This is the same documentation as in the S manual.
.PP
An optional argument `width' can be given to specify the maximum
width of printed lines.
Default is the smaller of 80 and the value of `width' as set in
the `options' function.
.PP
The function `call' prints only the title and usage
for a function or macro.
.EX
help("cstr") # documentation for function cstr
help("+") #documentation on addition (and other arithmetic)

help(macro="row")    # ?row documentation
help(dataset="longley")    # Longley dataset info

call("stem")  # describe arguments for stem
.KW basic*
.KW session
.KW error
.KW document
.WR
