pbmclean - flip isolated pixels in portable bitmap
pbmclean [-connect? [pbmfile?
Reads a portable bitmap as input. Outputs a portable bitmap
with every pixel which has less than connect (default
1) identical neighbours inverted. Pbmclean can be used to
clean up ''
Copyright (C) 1990 by Angus Duggan Copyright (C) 1989 by Jef
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