- From: Shadi Abou-Zahra <shadi@w3.org>
- Date: Wed, 04 Feb 2015 12:47:47 +0100
- To: David MacDonald <david100@sympatico.ca>
- CC: Joshue O Connor <joshue.oconnor@cfit.ie>, WCAG WG <w3c-wai-gl@w3.org>
Thank you for this background, David. It is very helpful. Eric and I will work on the wording to address your concerns. We will propose tweaked wording for review by you and the group. Best, Shadi On 4.2.2015 01:52, David MacDonald wrote: > Hi Shadi > > There were several opinions on the call about the best way to render Math. > Kathy said images are the way to go currently and has found trouble with > MathJax. On the other hand I'm a big proponent of MathML but it needs lots > of caveats. > As I prepare with CB of Deque and Sina Bahram for our math presentation at > CSUN we have been doing a lot of testing, and Math truly is the wild west > currently. I was also involved in much Math testing with a major US > education provider from K to 12. > > JAWS16 can render MathML IF MathJax is on the page. But it is far from > perfect. > VoiceOver is glitchy with MathML. Some of it is OK much of it is not. > NVDA has a module built for an API that exists, but is not publicly > available, so it's not ready > MathJax is pretty good with screen readers but has many problems, even > though its the best situation. > There is much work being done on another solution, but it is not public. > > Anyway, I think we need to advise people about the state of things, its not > just MathML and everything is good. If just mathML is used on the page > without mathjax, the only solution that will work is MathPlayer in IE8 or > in IE 11 Enterprise mode which is an IE 8 rendering of the page. So yes... > let's advise them to use MathML but there are many problems and caveats > that are outside the scope of this tutorial... but the tutorial is talking > to Math producers, and telling them to use MathML under the auspices of the > W3C telling them how to meet WCAG. The solution proposed does not meet > WCAG. > > The current document says > > "If math forms are a substantial part of the page or website content (for > example, online maths courses), MathML <http://www.w3.org/Math/> should be > used instead. MathML represents both presentation and content semantically, > making it more accessible to a wider range of users. Many assistive > technologies can interpret the code." > > This SHOULD be true but its not really. Only ONE screen reader can work > with MathML, and only ONE version of that, AND the page has to have MathJax > and be used in IE. that's a pretty narrow field... > I wouldn't say "Many assistive ..." We can't leave universities thinking > all is well cause they put up MathML without Mathjax. > > The working group gave me the action item to write a note, and that is what > I provided in the issue list. I'm open to editing suggestions... or more > discussions > > Cheers, > > David MacDonald > > > > *Can**Adapt* *Solutions Inc.* > > Tel: 613.235.4902 > > LinkedIn <http://www.linkedin.com/in/davidmacdonald100> > > www.Can-Adapt.com > > > > * Adapting the web to all users* > * Including those with disabilities* > > If you are not the intended recipient, please review our privacy policy > <http://www.davidmacd.com/disclaimer.html> > > On Tue, Feb 3, 2015 at 4:04 PM, Shadi Abou-Zahra <shadi@w3.org> wrote: > >> Hi David, >> >> Thank you for this suggested edit. >> >> I've looked back at the WCAG WG minutes for 27 January but do not see the >> motivation for adding such a "disclaimer" recorded in the minutes. >> >> Also, I don't fully understand the point(s) that we are trying to get >> across in this disclaimer. I note that the action has been closed but I'm >> not sure what the WCAG WG process is for discussing such proposed edits. >> Could you elaborate on the key points and motivation that were agreed on by >> WCAG WG? >> >> I'm pasting your suggested edits here to make it easier for people to find >> and provide any comments that they may have: >> >> [[ >> During the year prior to this writing, accessible Math activity has >> increased substantially. In particular, screen reader support has improved >> for MathML. We expect this progress to continue. This area of web >> accessibility is in a particularly transitional period. Organizations that >> have math as an integral part of their information on the web should >> continue to stay up to date on MathML solutions and support in screen >> readers, and choose their presentation of math accordingly. >> ]] >> >> Best, >> Shadi >> >> >> >> On 3.2.2015 19:30, Joshue O Connor wrote: >> >>> David MacDonald wrote: >>> >>>> https://www.w3.org/WAI/GL/track/actions/305 >>>> >>> >>> Thanks, I've closed the action. >>> >>> Josh >>> >>> >>>> Cheers, >>>> >>>> David MacDonald >>>> >>>> >>>> >>>> *Can**Adapt* *Solutions Inc.* >>>> >>>> Tel: 613.235.4902 >>>> >>>> LinkedIn<http://www.linkedin.com/in/davidmacdonald100> >>>> >>>> www.Can-Adapt.com >>>> >>>> >>>> >>>> * Adapting the web to all users* >>>> * Including those with disabilities* >>>> >>>> If you are not the intended recipient, please review our privacy policy >>>> <http://www.davidmacd.com/disclaimer.html> >>>> >>>> >>> >>> >>> >> -- >> Shadi Abou-Zahra - http://www.w3.org/People/shadi/ >> Activity Lead, W3C/WAI International Program Office >> Evaluation and Repair Tools Working Group (ERT WG) >> Research and Development Working Group (RDWG) >> >> > -- Shadi Abou-Zahra - http://www.w3.org/People/shadi/ Activity Lead, W3C/WAI International Program Office Evaluation and Repair Tools Working Group (ERT WG) Research and Development Working Group (RDWG)
Received on Wednesday, 4 February 2015 11:47:59 UTC