Convert portable pixmap to interleaf image format
ppmtoleaf [ppmfile]
Reads an Interleaf image file as input. Generates a portable pixmap (PPM file) as output.
Interleaf is a now-defunct (actually purchased ca. 2000 by BroadVision) technical publishing software company.
The program is copyright (C) 1994 by Bill O'Donnell.