S9fES  (help "procedure-name")  ==>  unspecific
       (help "keyword")         ==>  unspecific
       (help 'symbol)           ==>  unspecific
       (help)                   ==>  unspecific
       (apropos "string")       ==>  list
       (apropos 'string)        ==>  list
       (apropos)                ==>  list

       (load-from-library "help.scm")

The HELP procedure displays the synopsis of the given procedure or
keyword. When the given object is described in R4RS, its R4RS entry
is printed, otherwise a S9fES-specific summary is displayed.

The value of the *LINES-PER-PAGE* variable controls the number of
lines to be printed by HELP before issuing a prompt. You may want
to adjust the value of this variable by adding

(set! *lines-per-page* N)

to your $HOME/.s9fes/rc file, where N is an integer. When N=0, help
pages are written without prompting.

The APROPOS procedure returns a list of all procedure names and
keywords that contain the substring STRING for which a help page
exists, e.g.:

(apropos 'length)  ==>  (length string-length vector-length)

The help files contain modified copies of the chapters 4, 5, 6, and
the Appendix of the

Revised^4 Report on the Algorithmic Language Scheme

by  William Clinger and Jonathan Rees (editors)
    H. Abelson, R. K. Dybvig, C. T. Haynes, G. J. Rozas,
    N. I. Adams IV, D. P. Friedman, E. Kohlbecker,
    G. L. Steele Jr., D. H. Bartley, R. Halstead,
    D. Oxley, G. J. Sussman, G. Brooks, C. Hanson,
    K. M. Pitman, M. Wand.

It is used in the spirit outlined in the following paragraph of the
R4RS preface:

"We intend this report to belong to the entire Scheme community, and
 so we grant permission to copy it in whole or in part without fee.
 In particular, we encourage implementors of Scheme to use this
 report as a starting point for manuals and other documentation,
 modifying it as necessary."
