1996.12.05 07:48 "(more than 8 bits) TIFF images", by Claire Rossignol
1996.12.05 22:35 "RE: (more than 8 bits) TIFF images", by Ed Grissom
Note that the 4 and 8 bit restriction is only for "baseline" TIFF.
As far as I know, there are no restrictions on BPS for non-baseline files.
In the discussion of the Compression tag (p.30), the TIFF 6.0 document specifically mentions 16, 32, and 6-bit data.
--
ed grissom
egrissom@ingr.com