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Re: Testing SC 1.4.12 in multiple browsers


From: Patrick H. Lauke
Date: Sep 23, 2021 5:13AM

On 23/09/2021 06:03, Ramakrishnan Subramanian wrote:
> Hi,
> In One of the applications, the text spacing bookmarklet which we use
> does not seem to work may be because of the multiple layers of frames
> within the main iframe in the page. Hence, we tried with the stylus
> browser extension which does not seem to support IE 11 in Windows and
> Safari in Mac. Hence, I have the following query.
> In case where we support multiple browsers in both Windows and Mac
> platforms, is it necessary to test against the WCAG 2.1 SC (1.4.12
> text spacing) in each browser and platform combination we support? If
> yes, is there any reliable test tool which can be used in various
> OS/browser combinations?
> FYI, we use the following bookmarklet.
> https://codepen.io/stevef/full/YLMqbo

Reiterating that the point of 1.4.12 isn't "when I use this particular
bookmarklet or extension, does the text spacing change?"

It's more *if* the user manages to change the text spacing metrics, does
the site handle it properly.

See https://github.com/w3c/wcag/pull/1687

Patrick H. Lauke

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