- updated to 10.80.1
* pnmtopalm: Refuse to create a compressed image with more than 8
bits per pixel.
* pbmtext, libnetpbm font facilities: allow glyphs in font files
that have no bitmap data; just used for their advance value to
code a space.
* pbmtext: Improve error message when there is a problem reading
the font file.
* libnetpbm font facilities: consider font invalid if a glyph is
more than 65536 pixels high or wide.
* ppmshadow: handle images with a black background and low
contrast images (i.e. little difference between foreground and
background).
* ppmbrighten: fix bug: red pixels change hue. Introduced in
after Netpbm 10.11 (October 2002) and before Netpbm 10.18
(September 2003).
* palmtopnm: fix crash if invalid input contains color index that
is not in the palette. Always broken (palmtopnm was new in
Netpbm 9.10 (October 2001)).
* pnmtopalm: fix incorrect output with certain input files and
-packbits_compression. Always broken. -packbits_compression
was new in Netpbm 10.27 (March 2005).
* pnmtopalm: Correct error message recommending running
pnmquant when the real solution is to run pnmremap to modify the
image to Palm standard colors.
* pnmtopalm: Fix bug causing "color not in colormap" failure with
-colormap and maxval other than 255.
* libnetpbm: font facilities: fix invalid memory reference with
certain font files.
* libnetpbm: ppm_readcolordict: Improve error message when there is