[Nexus] NXDL technical meetings – first topic: PR #1669

[Wout De Nolf]

Hi all,

Weird, I just tried with a test and it does not ask me. Perhaps a US 
thing?

Seems like Zulip has a poll option as well. I made one to replace the 
doodle:

https://nexusformat.zulipchat.com/#narrow/channel/638997-NXDL/topic/Declare.20attributes.20of.20all.20fields.20and.20groups/near/634871665

I'll post the zoom link in that channel before the meeting.

Cheers,
Wout

On 2026-10-25 15:08, Herbert J. Bernstein wrote:
> Dear Wout,
>   I sm very interested in NXDL, but your survey wants my credit card
> number  i would prefer not to provide that.
>   Regards,
>     herbert
> 
> On Sun, Oct 25, 2026 at 7:27 AM Wout De Nolf via NeXus
> <nexus at shadow.nd.rl.ac.uk> wrote:
>> 
>> Hi all,
>> 
>> As the new NXDL Technical Manager, I would like to start technical 
>> meetings
>> on NXDL, separate from the general NIAC meetings. They are open to 
>> anyone
>> and might be especially interesting for people who:
>> 
>> - develops tools that read the *.nxdl.xml files or nxdl.xsd directly, 
>> or
>> - are invested in how NXDL evolves from a technical pov.
>> 
>> The first topic is PR #1669:
>> https://github.com/nexusformat/definitions/pull/1669
>> 
>> It does two things:
>> - it declares, in NXDL itself, the attributes that every field and 
>> group
>>   may have (@NX_class, @target, @units, ...);
>> - it defines NeXus links by their content instead of as HDF5 hard 
>> links.
>> 
>> If you would like to join, please fill in the Doodle:
>>  https://doodle.com/meeting/organize/id/e5M9ywKe
>> 
>> We will organise the rest on Zulip, so please join and reply there:
>> https://nexusformat.zulipchat.com (channel #NXDL)
>> 
>> Cheers,
>> Wout De Nolf
>> 
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