[fitsbits] Question on angstrom and erg units in FITS standard

[Thierry.Forveille at ujf-grenoble.fr]

Quoting Steve Allen <sla at ucolick.org>:
> Deprecated is not forbidden.  The point of FITS is that the meaning of
> the file should be clear to the reader.  In the cases of angstrom and
> erg it is probably more important to put effort into documenting the
> reference frame and laboratory conditions than it is to convert to nm
> and J.
>
Deprecated means no new uses, so I would recommend (resources
allowing, of course) that Thomas accept those units when reading
external files but convert to standard SI on output.

Thierry