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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)