[fitsbits] start of Public Comment Period on the CHECKSUM convention

Erik Bray embray at stsci.edu
Sun Jul 5 12:10:10 EDT 2015


On 07/02/2015 06:14 AM, Mark Calabretta wrote:
> However, because metadata should not be stored in the comment field,

Unfortunately the ship has already sailed on that one when it comes to FITS, due 
to the use of comments to store unit information.

> I would alter the CHECKSUM proposal to create separate keywords, say
> DATE-CHK and DATE-DSM, for the CHECKSUM and DATASUM dates.  The form of
> these keywords leverages on the following from Sect. 4.4.2.2 of FITS 3.0:

Though I wouldn't be opposed to adding this either if it means righting a past 
wrong.





More information about the fitsbits mailing list