VOTable 1.4 Working Draft

Mark Taylor M.B.Taylor at bristol.ac.uk
Mon Feb 11 23:45:49 CET 2019

Another suggestion that perhaps could be addressed while VOTable is
up for revision: section 8 on MIME types currently mentions the
'serialization' parameter and the generic 'charset' parameter.
But looking at DataLink I see that recommends using the 'content'
parameter ('application/x-votable+xml;content=datalink');
I'm not aware of that parameter being used in other VOTable
contexts, but maybe it is.

By my reading of RFC2046 and RFC2048, introducing new ad-hoc
parameters along these lines is not forbidden, but it might make
sense to mention the 'content' parameter in VOTable section 8 to
avoid other standards reinventing the same thing with a different

On Fri, 1 Feb 2019, Tom Donaldson wrote:

> Dear IVOA,
> We are pleased to announce that the first Working Draft for VOTable version 1.4 is ready for review at http://www.ivoa.net/documents/VOTable/20190131/ .
> The driving reason for this update is to implement the recommendations of the note, "A Proposal for a TIMESYS Element in VOTable" (http://www.ivoa.net/documents/Notes/TimeSys/index.html ).
> Since the scope of the changes is relatively narrow, we are hoping that this review process can move quickly, ideally proceeding to official Recommendation (REC) shortly after the Paris Interop meeting.  If you have an interest in this update, or will be obligated to have an interest (TCG), please review at your earliest convenience and bring comments and concerns to the Applications Working Group list (apps at ivoa.net ).
> In addition to the changes driven by TIMESYS, please note the new language in section 3 attempting to clarify some subtleties regarding namespace and schema versioning (also see http://www.ivoa.net/documents/Notes/XMLVers/20180529/ ).  Feedback on all aspects of the document is welcome.
> I will also propose a slight change in the syntax for TIMESYS (to *require* the use of "ref" in TIMESYS references), but I will leave that for a separate thread on the Apps WG list.
> Regards,
> Tom

Mark Taylor   Astronomical Programmer   Physics, Bristol University, UK
m.b.taylor at bris.ac.uk +44-117-9288776  http://www.star.bris.ac.uk/~mbt/

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