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Re: [xml-dev] SGML DTDs for HTML 5.1
• From: u123724 <u123724@gmail.com>
• To: David Carlisle <d.p.carlisle@gmail.com>
• Date: Fri, 18 Nov 2016 20:32:27 +0100

> If you predefine them they are defined first so can't be changed by loading
> other definitions so I think it would be wrong to change any of the definitions.
> If you just predefine the single character ones then that covers a lot
> of use cases
> and anyone needing the full html set can reference htmlmathml-f.ent

Ok that makes sense. I think I'll do it as you suggested. Thanks for
your feedback, it's very much appreciated.

> Alternatively you could push for the web sgml annex to be extended to allow
> multiple character definitions although I'm not sure there would be an appetite
> in JTC1 to re-open that....

Would you know anyone to approach for this?
Having just completed a new SGML parser (no, really), I believe I have
some profound input for "Annex L", especially in relation to parsing
modern HTML. And why wouldn't they be interested, considering the huge
amount of HTML being created and in need for preservation, given the
current WHATWG/W3C situation (no pun intended)?

At least I can try I guess.  After that, on to ISO HTML 5 - ducks -

On Fri, Nov 18, 2016 at 7:43 PM, David Carlisle <d.p.carlisle@gmail.com> wrote:
> On 18 November 2016 at 18:22, u123724 <u123724@gmail.com> wrote:
>>> If you need to drop the multiple character once I'd just drop those rather than
>>> give them different definitions which leads to silent corruption.
>>
>> Ok point taken. But what do you think of the couple entities that are
>> just variation sequences of their base code points such as caps/cups
>> (intersection/union) etc. These are pretty commonly used, and leaving
>> out U+FE00 VARIATION SELECTOR-1 on those, for all intents and
>> purposes, is equivalent to their use in variation sequences.
>
> If you predefine them they are defined first so can't be changed by loading
> other definitions so I think it would be wrong to change any of the definitions.
> If you just predefine the single character ones then that covers a lot
> of use cases
> and anyone needing the full html set can reference htmlmathml-f.ent
>
> Alternatively you could push for the web sgml annex to be extended to allow
> multiple character definitions although I'm not sure there would be an appetite
> in JTC1 to re-open that....
>
>
>> Btw, do you know a recent SHORTREF map to use with MathML 3 (probably no ;).
>
> No, shortref processing inline is pretty much replaced by some kind of
> preprocessor from
> a texlike syntax, whether that be latexml or tex4ht or mathjax or...
>
> I'm not sure a new shortref syntax would help much: most existing math
> editing tools
> can output tex or mathml or both so just having a new syntax without
> editor support
> isn't a clear win.
>
> David


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