Re: Jonathan's concern: Zoom in responsive drops content

hard to write guidelines for authors content - that depends on what users use.

Hmmm

Maybe write them based on how they are served (someone else suggested this earlier)

if author serves it formatted for standard sized screens — X applies
if author serves it formatted for screens  Y size or smaller  — the Y applies


but where to draw the boundaries?
and why?

for someone with low vision   X  is the same visibility as Y for someone else. 

and we keep merging the two together. 

and what if they serve it in 5 sizes…. 

hmmmmmmm



gregg

> On Jul 7, 2016, at 11:41 AM, White, Jason J <jjwhite@ets.org> wrote:
> 
>  
>   <>
> From: Alastair Campbell [mailto:acampbell@nomensa.com <mailto:acampbell@nomensa.com>] 
> Sent: Thursday, July 7, 2016 12:28 PM
> 
>  
> AC: I don’t think it will replace the meta element any time soon, support for @viewport is minimal so far. I also note that the spec references a PPK article similar to the one I linked to before for the explanation of layout approaches.
> [Jason] “Any time soon” is probably a shorter period than the life span of WCAG 2.1, however, which is my underlying concern.
>  
> AC: It could be dealt with as a sufficient technology thing, but I think it would need a note by the SC for such an important exception.
> Otherwise there is a whole class of devices (the majority now?) that appear to undermine websites trying to apply this SC.
> [Jason] I have series concern about any statement (in a note or otherwise) that says “If user agents …”. Most authors don’t have control over which user agents access their content. What user agents do will change over time, too.
> I would suggest addressing user agent behavior in the set of technologies relied upon, and noting it in a suitable place.
> David and I have been updating the page, worth another read, we’re up to 4 versions now!
> https://www.w3.org/WAI/GL/wiki/Possible_wording_from_Jason/David_for_LVTF_re:_zoom_without_horizontal_scroll <https://www.w3.org/WAI/GL/wiki/Possible_wording_from_Jason/David_for_LVTF_re:_zoom_without_horizontal_scroll>
> [Jason] Excellent. Thank you for keeping track of the ideas as they evolve.
>  
> 
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