Focus appearance enhanced

Hi folks,

Based on the updates to the AA version of focus appearance (min), I've updated the AAA version:
https://raw.githack.com/w3c/wcag/wcag22-focus-appearance-enh-updates/understanding/22/focus-appearance-enhanced.html

Diff: https://github.com/w3c/wcag/pull/1719/files

Does anyone see any problems with that? I think it's straightforward, just wanted to check prior to CFC.

Kind regards,

-Alastair

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@alastc / www.nomensa.com<http://www.nomensa.com>