Add missing role=button and tabindex=0 for search icon button to fix AMP validity #1500
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Summary
AMP requires
role
andtabindex
attributes for elements that have anon="tap:..."
attribute, unless they are buttons or links (i.e. elements that aren't normally tappable/tabbable).Originally reported on the AMP plugin support forum: https://wordpress.org/support/topic/the-attribute-tabindex-in-tag-span-is-missing-or-incorrect/
Note the changes where should be done automatically by the AMP plugin in the future (via ampproject/amp-wp#4528) but it is best if the changes are done up-front.
As an alternative to adding these attributes, the icon could instead be represented by a
button
instead of aspan
.Will affect visual aspect of the product
YES (when tabbing there may be an outline on the element)
Test instructions