Re: [css-priorities] Updated document on CSS priorities

> On 07 Jul 2015, at 16:30 , Alan Stearns <stearns@adobe.com> wrote:
> 
> Ivan,
> 
> There are several hyphenation polyfills, such as
> 
> https://github.com/mnater/hyphenator
> https://github.com/bramstein/Hypher
> 
> It’s been a while since I looked at any of them. One problem I noticed the
> last time I looked was that they change the page source by adding tons of
> discretionary hyphens that then either cause problems with search and
> copy/paste, or more and more code has to be added to accommodate the
> discretionary hyphens in those cases.

Ouch:-)

> So I’d classify hyphenation as one
> of those features that is *possible* to polyfill, but it’s really too much
> work to do it well.
> 

O.k. Is this only a wrong example (ie, there are other features where polyfills could fill in for a missing browser implementation) or is it generally something to avoid?

Ivan

> Thanks,
> 
> Alan
> 
> On 7/7/15, 5:10 AM, "Ivan Herman" <ivan@w3.org> wrote:
> 
>> Hey Dave,
>> 
>> I like the approach. For the first category (and maybe even the second)
>> there may be one more column: whether polyfills exist for the
>> specification, ie, if it is not implemented by a browser, but if a
>> reading system accepts polyfills, can that be used. E.g., I have seen
>> somewhere a polyfill for hyphenation to have it working in chrome (I have
>> not tested it, though).
>> 
>> Thanks
>> 
>> Ivan
>> 
>> 
>> 
>>> On 07 Jul 2015, at 13:57 , Dave Cramer <dauwhe@gmail.com> wrote:
>>> 
>>> Since the meeting yesterday I've continued to work on the priorities
>>> document on GitHub [1].
>>> 
>>> I've done some triage by splitting the table of priorities into three
>>> parts: First, features that just require more implementations, as the
>>> spec is stable and they already exist in several browsers. Second,
>>> features that require more spec work. Third, features that require some
>>> fundamental design work before specs can be written (many aspects of
>>> pagination fall into this category, I believe).
>>> 
>>> I've also continued to add more features from the Google Spreadsheet
>>> [2]. I still have some work to do, especially for math, hyphenation, and
>>> pagination.
>>> 
>>> * * *
>>> 
>>> I would appreciate feedback on the whole idea, as well as more specific
>>> assistance in the various subject areas, especially CJK.
>>> 
>>> 
>>> Thanks,
>>> 
>>> Dave
>>> 
>>> [1] http://w3c.github.io/dpub-pagination/priorities.html
>>> [2]
>>> https://docs.google.com/spreadsheets/d/15IsDMPwSXx197Iqe4I9xh7K8anmJ5c0-O
>>> FEG7w0LHYM/edit?usp=sharing
>> 
>> 
>> ----
>> Ivan Herman, W3C
>> Digital Publishing Activity Lead
>> Home: http://www.w3.org/People/Ivan/
>> mobile: +31-641044153
>> ORCID ID: http://orcid.org/0000-0003-0782-2704
>> 
>> 
>> 
>> 
>> 
> 
> 


----
Ivan Herman, W3C
Digital Publishing Activity Lead
Home: http://www.w3.org/People/Ivan/
mobile: +31-641044153
ORCID ID: http://orcid.org/0000-0003-0782-2704