gistfile1.txt

phil@enigma ~/music $ racket
Welcome to Racket v5.2.1.
> read-line
#<procedure:read-line>
> pp
reference to undefined identifier: pp

 === context ===
/usr/share/racket/collects/racket/private/misc.rkt:87:7

> pretty-print
#<procedure:pretty-print>
> (match '(1 2 3)
    [(list _ _ a) a])
3
> #rx"\.(\d+):"
stdin::67: read: unknown escape sequence \. in string

 === context ===
/usr/share/racket/collects/racket/private/misc.rkt:87:7

> reference to undefined identifier: d+

 === context ===
/usr/share/racket/collects/racket/private/misc.rkt:87:7

> reference to undefined identifier: :

 === context ===
/usr/share/racket/collects/racket/private/misc.rkt:87:7

> #rx"\\.(\\d+\\)"
"\n#rx"
> reference to undefined identifier: |\.|

 === context ===
/usr/share/racket/collects/racket/private/misc.rkt:87:7

> reference to undefined identifier: |\d+\|