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NAME

       pnminvert - invert a portable anymap

SYNOPSIS

       pnminvert [pnmfile]

DESCRIPTION

       Reads  a  portable  anymap  as  input.   Inverts it black for white and
       produces a portable anymap as output.

SEE ALSO

       pnm(5)

AUTHOR

       Copyright (C) 1989 by Jef Poskanzer.

                                08 August 1989                    pnminvert(1)