- From: David MacDonald <david100@sympatico.ca>
- Date: Wed, 15 Apr 2020 15:06:46 -0400
- To: Alastair Campbell <acampbell@nomensa.com>
- Cc: WCAG <w3c-wai-gl@w3.org>
- Message-ID: <CAAdDpDYpZ+65WawkkKW9tRVj4scdZU=awBv4rHOJ7YNPkpPkgA@mail.gmail.com>
Hi All I've added an OPTION 3 to the spreadsheet which is a fallback passive SC based on the text spacing SC ... Plain language: "Don't do anything that overrides a browser plugin's ability to override CSS to create outlines on buttons and underlines on links." In content implemented using markup languages that support visual adaptation of user interface components <https://www.w3.org/TR/WCAG21/#dfn-user-interface-components>, one of the following is true, with no loss of content or functionality, and by changing no other style property: 1. A user agent or plugin can adjust: - Button and input borders up to 3px (CSS) in width - link underlines up to 2px (CSS) in width 2. There is a mechanism available on the page where - Button and input have borders with at least a 3:1 ratio - link underlines with at least a 3:1 ratio 3. On page load: - Buttons and inputs have borders with at least a 3:1 ratio - link underlines up to 1px (CSS) in width with at least a 3:1 ratio https://docs.google.com/document/d/1WhZAbswvPHs7A3stfqM_ATsaBHPeGbHtARcmaKMck1U/edit?usp=sharing Cheers, David MacDonald *Can**Adapt* *Solutions Inc.* Tel: 613-806-9005 LinkedIn <http://www.linkedin.com/in/davidmacdonald100> twitter.com/davidmacd GitHub <https://github.com/DavidMacDonald> www.Can-Adapt.com <http://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 Fri, Apr 10, 2020 at 12:20 PM Alastair Campbell <acampbell@nomensa.com> wrote: > Hi everyone, > > > > I’m trying to get to some conclusion from this thread, focusing on what > people are suggesting to change (and to paraphrase people horribly): > > > > - Gundula would like to widen the scope back to it’s original (all > controls provide affordance) but within a process, and avoid overlap from > referencing inline links. > - Andrew & JohnF are concern with requiring underlines/icons when > there are examples (like Google results) which would fail but appear to > have a clear expectation of being links (i.e. a false-fail). Design > push-back would also be expected. Personalisation seems a better option. > - JonA is concerned about defining what is part of a process or not. > - The COGA TF (via Rachael) are concerned the current version was > missing the intent and proposed a new version: > > > > “Interactive elements do not rely solely on spacing or a single visually > identifiable characteristic to differentiate them from static elements, > except for the following: > > - An underline is sufficient to indicate a link is interactive > - A color difference is sufficient to indicate an element is disabled > - The control is part of a group of controls that has a visual > indicator for the group” > > > > My first impression of that update is that “a single visually identifiable > characteristic” needs some explanation, I’m not sure how to apply that. > Also, if the single characteristic were a border or background, wouldn’t > that be ok? > > > > Overall, we seem to be oscillating between what we would like (the > original affordances SC) and a very narrow version focusing on some > specific aspects. > > > > The affordances version needs a huge amount of research/testing to define > what visual aspects are needed to make something appear interactive. > > > > The narrower versions still suffer from creating false-positives and being > very prescriptive about particular design aspects. IMHO being prescriptive > isn’t necessarily a blocker, but if people can point to false positives > then it is undermined. > > > > I’m struggling to see a path forward for this one on 2.2 timescales, we > really need that research on what standard/core affordances are for various > controls to align the SC/guideline text with the exact issues. > > > > -Alastair >
Received on Wednesday, 15 April 2020 19:07:14 UTC