id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
759	psFitsReadHeader fails to handle NaN cards	rhl@…	Paul Price	"A fits header card such as
RA      =                 NaN  / 1st row - Right ascension of telescope boresigh
are read without complaint as S16 (== 'I').

The problem is that cfitsio routine fits_get_keytype doesn't complain. 

N.b. note that this routine is also called by psMetadataReadHeader()"	defect	closed	high		fits	0.11.0	normal	fixed