[fitswcs] Keywords for other FITS image representations

[Mark Calabretta]

On Thu 1998/08/13 14:16:19 -0400, William Pence wrote
in a message to: fitswcs at fits.cv.nrao.edu

>In the vast majority of cases, these parameters are going to be the same
>for all the axes, aren't they?  If so, can't we continue to allow the
>current keywords to be used, i.e., the software should first look for an
>EQNOXiiv keyword, and if it doesn't exist, then look for EQUINOX.  This
>would aid backward compatibility in the majority of cases.

Certainly.

>Gasp is right!  Most FITS readers and writers can't cope with lowercase
>letters in keyword names (not to mention that it violates the FITS
>standard).  CFITSIO for instance automaticly converts them to uppercase
>before writing the keyword to the file and there is no way for the user to
>bypass this.

It was just a passing thought, as an aid to human readers, and of no
importance at all.

Cheers, Mark