[Standards] XEP-0372 references pointing to different elements in same stanza

Sergey Ilinykh rion4ik at gmail.com
Wed Sep 1 08:06:14 UTC 2021


why not just

```

<reference xml:lang="en" .../>
```
?


Best Regards,
Sergey


ср, 1 сент. 2021 г. в 10:59, JC Brand <lists at opkode.com>:

> Hi Jonas
>
> On 31.08.21 17:23, Jonas Schäfer wrote:
>
> Hi JC,
>
> This has somehow slipped past me.
>
>
> Thanks for taking the time to respond.
>
> On Freitag, 13. August 2021 14:00:06 CEST JC Brand wrote:
>
> So, if you have a stanza with for example, both "subject" and "body"
> tags, we can have references for both, and use the "anchor" attribute as
> follows (I hope this comes out formatted properly once sent):
>
> <message type="headline" from="school at springfield.city" <school at springfield.city>>
>      <subject id="subject">Attention Bart Simpson</subject>
>      <body id="body">Please hand in your homework before the end of the
> day</body>
>      <reference anchor="#subject" begin="9" end="21" type="mention"/>
> </message>
>
> What about messages with multiple <body/> elements disambiguated by xml:lang?
> Could some conceivably contain a mention while others don't? Does this require
> replicating the mention element all over? Same question for <subject/>.
>
> This is another currently ambiguous and undefined use-case that I think
> can be solved with my proposal.
> As the XEP currently stands, there's no documented way to distinguish
> between multiple <body/> (or <subject/>) elements.
>
> Going with my proposal, the solution would be to have a separate
> <reference/> element for each <body/>.
> The mention parameters ("begin", "end") will be different for each <body/>
> since the mentioned text usually won't be in the exact same place for the
> different translations.
>
> The "id" attribute can have any value, it doesn't have to be "body" or
> "subject", those were just examples.
>
> Besides that, I don't think that adding an attribute to an element in this way
> is really acceptable.
>
> I would prefer an approach which identifies the XML element without having to
> modify the XML being referenced.
>
> The only mechanism that doesn't require modifying the referenced elements
> that I can think of is XPath.
>
> My example then becomes:
>
> <message type="headline" from="school at springfield.city" <school at springfield.city>>
>      <subject xml:lang="en">Attention Bart Simpson</subject>
>      <subject xml:lang="af">Aandag Bart Simpson</subject>
>      <body xml:lang="en">Please hand in your homework before the end of the day</body>
>      <body xml:lang="af">Handig asseblief jou huiswerk in voor die einde van die dag</body>
>      <reference anchor="/message/subject[@xml:lang='en']" begin="9" end="21" type="mention"/>
>      <reference anchor="/message/subject[@xml:lang='af']" begin="6" end="18" type="mention"/>
>  </message>
>
> Regards
> JC
>
>
> Libraries which currently represent body as a
> (mappnig of language tags to) string(s) would now need extra magic in order to
> be able to set ID attributes on those. This feels like a quite major change,
> and not just to References, but to literally everything else.
>
> kind regards,
> Jonas
>
>    [1]: https://www.w3.org/TR/REC-xml/#id
>
>
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