Provides a command-line from that is similar to the one in
scheme/cmdline, but without using keywords.  The
parse-command-line procedure from
scheme/cmdline is re-exported directly.
| (command-line program-name-expr argv-expr clause ...) | 
|   | 
| clause |   | = |   | (multi flag-spec ...) |  |   |   | | |   | (once-each flag-spec ...) |  |   |   | | |   | (once-any flag-spec ...) |  |   |   | | |   | (final flag-spec ...) |  |   |   | | |   | (help-labels string ...) |  |   |   | | |   | (args arg-formals body-expr ...+) |  |   |   | | |   | | (=> finish-proc-expr arg-help-expr help-proc-expr |  |     unknown-proc-expr) |  
  |  |   |   |   |   |   |  | flag-spec |   | = |   | (flags id ... help-str ...+ body-expr ...+) |  |   |   | | |   | (flags => handler-expr help-expr) |  |   |   |   |   |   |  | flags |   | = |   | flag-string |  |   |   | | |   | (flag-string ...+) |  |   |   |   |   |   |  | arg-formals |   | = |   | id |  |   |   | | |   | (id ...) |  |   |   | | |   | (id ...+ . id) |  
  | 
Like 
command-line from 
scheme/cmdline, but without
keywords in the syntax.