- From: John Foliot <john@foliot.ca>
- Date: Thu, 29 Jun 2023 18:27:55 -0400
- To: Wayne Dick <wayneedick@gmail.com>
- Cc: W3C WAI ig <w3c-wai-ig@w3.org>
- Message-ID: <CAFmg2sX_uXK9WRenYUdTFQ-J-KxvO8PuT6_LaXEU2EyCx62V4w@mail.gmail.com>
Worth reading: https://daisy.github.io/transitiontoepub/information-sharing/position-paper-plain-text-math/ Broadly speaking, I am seeing greater support for MathML across the board, with "backup images and alt text" actively being retired (at least in text books AFAIK). JF On Thu, Jun 29, 2023 at 3:53 PM Wayne Dick <wayneedick@gmail.com> wrote: > There is a prevalent but incorrect belief that mathematical formulas are > images. Many web pages depict them as images. But mathematical formulas > are language, albeit 2-dimensional language, but language. Mathematical > symbols are text. Thus a page that allows mathematics to run off the > screen should be cited as an example of an SC 1.4.10 failure. It is not > an image exception. There are numerous places where line breaks can be > inserted. For example the symbols =, < are > that occur on the main line of > a formula are clear examples. The guide should be that whenever possible a > person should be able to see an entire formula at 400%. Formulas are > difficult enough without having to horizontally scroll to see them. It is > really difficult. > Best, Wayne > -- *John Foliot* | Senior Industry Specialist, Digital Accessibility | W3C Accessibility Standards Contributor | "I made this so long because I did not have time to make it shorter." - Pascal "links go places, buttons do things"
Received on Thursday, 29 June 2023 22:28:19 UTC