
These palettes are version 2

see util.palette_v2.prpalgen for code which can read back
parameters of these palettes

Palettes are:
   0 neutral, gamma = 1.667
   1 Epson Stylus Colour, < 720 dpi
   2 Epson Stylus Colour, 720 dpi
   3 HP 4-ink
   4 HP 3-ink
   5 Canon BJC-600 (etc)
   6 Canon BJC-4000 (etc)
   7 Stylus IIs, 3 ink, < 720 dpi
   8 Stylus IIs, 3 ink, 720 dpi
   9 Stylus II, 4 ink, < 720 dpi
  10 Stylus II, 4 ink, 720 dpi
  11 Lexmark Z11, brighter than the usual use of 2
