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Re: [css-content] Request for note regarding selection, search, and accessibility of generated content

From: Michiel Bijl <michiel@agosto.nl>
Date: Fri, 13 Nov 2015 01:30:27 +0100
Cc: www-style list <www-style@w3.org>, W3C WAI Protocols & Formats <public-pfwg@w3.org>
Message-Id: <5A2034EB-6950-4D68-ACDF-20CD0F9304D6@agosto.nl>
To: Joanmarie Diggs <jdiggs@igalia.com>

> On 11 Nov 2015, at 17:51, Joanmarie Diggs <jdiggs@igalia.com> wrote:
> If VoiceOver is skipping over text that you (and VoiceOver users) would
> expect to have presented when navigating, could you please open a bug
> against WebKit [1]?

Here are some relevant bugs:

1. Unable to select/copy/paste generated content: https://bugs.webkit.org/show_bug.cgi?id=7562
2. Alt text for generated content: https://bugs.webkit.org/show_bug.cgi?id=122138
3. Don’t fully understand, but you filed a bug in 2014 that is related: https://bugs.webkit.org/show_bug.cgi?id=137672
4. And again in 2014, you filed a bug that generated content is not selectable: https://bugs.webkit.org/show_bug.cgi?id=138546

And I filed a new one just to be safe, AX: VoiceOver cannot navigate generated content by character:


>>> In the case of line, is the line spoken the
>>> same as the line rendered? Or does VoiceOver, like at least some Windows
>>> screen readers, have its own definition of "line" (e.g.
>>> 125-characters-long slices of the text within the element)?
>> Not sure about its definition, but it doesn’t speak the whole line/sentence.
> Do you mean because of how its navigation works? (i.e. if you navigate
> enough, you get the entire line/sentence but in pieces) Or do you mean
> you cannot get at the generated content at all when navigating by
> line/sentence?

I can get to the line and it speaks everything (including generated content). I can also navigate by word, that way it also speaks the generated bits. If I try to navigate by character, it fails and only speaks characters of text that is not generated.

> If by "handy information" you mean content with meaning such as the
> phrase "Example 6" or "Issue 1", then isn't this document an example
> where handy information is put in generated content instead of in your
> HTML: https://drafts.csswg.org/css-pseudo-4/ ?


> Phrases such as "Example 6" and "Issue 1" are the sorts of things I'd
> like to be able to jump to quickly via my browsers' find in page
> feature, and be able to select, copy, and paste. But it's generated
> content, so….

I agree this text should be selectable and searchable. This is the equivalent of a button made out of a div that you can’t tab to.

> (BTW, does VoiceOver skip over those phrases when
> arrowing by character, word, and line?)
> Thanks for looking into this!

That’s what we’re here for!

> --joanie
> [1]
> https://bugs.webkit.org/enter_bug.cgi?product=WebKit&component=Accessibility&op_sys=All&rep_platform=Macintosh&short_desc=AX%3A%20

Received on Friday, 13 November 2015 00:32:01 UTC

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