Re: [EXTERNAL] Re: MathML Core Meeting: cancelled for 20/4/20

@Murray: mmh, I'm not sure what you mean by the entity names or &#...;
all of this is handled by the HTML parser, so it's out of the scope of
MathML Core.

This is about https://github.com/mathml-refresh/mathml/issues/176 which
deals with the actual character/string, not entities.

On 07/05/2020 18:13, Murray Sargent wrote:
>
> One thought is to get rid of the entity names in core; just use UTF8
> (the most readable solution) or &#x…; That would save space and
> encourage tools to be more modern. In any event, ASCII-only names
> should have 8-bit characters, not 16 or 32.
>
>  
>
> Thanks,
>
> Murray
>
>  
>
> *From: *Frédéric Wang <mailto:fwang@igalia.com>
> *Sent: *Thursday, May 7, 2020 1:41 AM
> *To: *public-mathml4@w3.org <mailto:public-mathml4@w3.org>
> *Subject: *[EXTERNAL] Re: MathML Core Meeting: cancelled for 20/4/20
>
>  
>
> Hi,
>
> Sorry, I forgot to reply to this.
>
> This is for the same reason explained last November: patches
> increasing significantly Android binary size will be very hard to get
> approved. Current MathML3 operator dictionary size (counting
> single-char only) is 6935bytes and although the total is probably less
> than Chromium's hard limit for an alarm (16kb), it would be *very* bad
> to submit a patch with the raw table of ~1500 entries and no
> optimization at all.
>
> Writing a script to generate a specific form of the tables is not a
> big deal, I had already written one last November and was expecting
> that it would help David and you for the dictionary updates... The
> point is that the actual optimization and size will depend on the
> final values of the dictionary. The compression is based on redundancy
> but there are still many edge cases that are causing size increase and
> it's not clear whether these cases can be removed (not essential), or
> can be merged into an existing category (mistakes or inconsistency) or
> are really fundamental (deserves special treatment). See github issues
> #176 #143 #209 for details.
>
> Finally, any update has a cost so I disagree with you on your "update
> should be easy": not only we need to regenerate the tables in the
> spec, but also the WPT tests & associate WOFF font, then we need to
> synchronize all the tests in WebKit/Chromium/Gecko, and get patches
> reviewed for all these operator dictionaries updates, dealing with any
> test failures/updates. So although in principle I agree with you that
> we should be ready to update the table in the future, I expect that it
> is not going to happen so frequently and that any change will preserve
> the decided existing categories (i.e. we are not going to add new
> fancy operators with bizarre spacing and properties) and so won't
> change fundamentally the optimization logic and implementation.
>
> Given that we are about to upstream operator code to Chromium, I think
> the solution to unblock this will be to perform the synchronization of
> tests based on
>
> https://mathml-refresh.github.io/mathml-core/#operator-dictionary-compact
> <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmathml-refresh.github.io%2Fmathml-core%2F%23operator-dictionary-compact&data=02%7C01%7Cmurrays%40exchange.microsoft.com%7C9e22ecb991be4e30895a08d7f2626c6f%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637244376855177217&sdata=docckBVLKGjqgiKcq3fmYpWs1TBR0GRd8OffEuA6nuQ%3D&reserved=0>
>
> maybe with a few more updates and excluding edge cases ; and we will
> then ignore any future update in the short term.
>
>  
>
> Thanks,
>
> -- 
> Frédéric Wang
>
> On 23/04/2020 20:20, Neil Soiffer wrote:
>
>     I'm confused as to why updating the values in the operator
>     dictionary is blocking you. Given that the table is large (and
>     hence likely to change because bugs will exist in it just as bugs
>     exist in code) and that Unicode comes out with updates at least
>     once a year, any implementation needs to be able to be able to
>     easily update it's tables, so working with the current values
>     should be acceptable. I've cc'd David in case the problem is that
>     some specific form of the table needs to be generated that is not
>     currently generated.
>
>      
>
>         Neil
>
>      
>
>      
>
>     On Wed, Apr 22, 2020 at 9:02 AM Frédéric Wang <fwang@igalia.com
>     <mailto:fwang@igalia.com>> wrote:
>
>         On 20/04/2020 06:37, Neil Soiffer wrote:
>
>             The pressing issues to discuss are ones that were raised
>             by Frédéric. He said he can't make the meeting on Monday,
>             so there won't be a meeting on Monday. Hopefully he can
>             make it the following week
>
>              
>
>             If someone wants to add items to an agenda for the 27th,
>             please do so by editing the agenda at
>             https://github.com/mathml-refresh/mathml/issues/8#issuecomment-616303323
>             <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fmathml-refresh%2Fmathml%2Fissues%2F8%23issuecomment-616303323&data=02%7C01%7Cmurrays%40exchange.microsoft.com%7C9e22ecb991be4e30895a08d7f2626c6f%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637244376855177217&sdata=iNpiNqun%2Fz3HSzTdngBAJrPQCkcy%2BfYwLllU6uixkjY%3D&reserved=0>.
>
>              
>
>             For those planning on attending, enjoy your unplanned
>             extra hour this week :-)
>
>              
>
>                 Neil
>
>              
>
>              
>
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>
>         I removed my pending items, I think the highest priority right
>         now is having the compact operator dictionary as this is
>         already blocking us to implement movablelimits for example ;
>         or to do refactoring in Gecko / WebKit or to update tests.
>         Updating the CSS proposal (in particular with fantasai's
>         suggestion) is also important but we need more time to review
>         that with Rob ; so it probably does not make sense to discuss
>         it again for now. Finally, several layout improvements
>         (operators, etc) will probably depend on future feedback from
>         Google reviewers, so not sure the CG can decide for now.
>
>         -- 
>
>         Frédéric Wang
>
>  
>
>  
>

-- 
Frédéric Wang

Received on Thursday, 7 May 2020 16:23:35 UTC