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Jono Mingard authored
Add descriptive alt text to 'Configure' and 'Delete' buttons in page editor, add descriptive alt text to configuration dialog close button, set focus to close button when the dialog is opened and add aria-hidden to the main content of the page so that screen reader users cannot tab out of the dialog. Change-Id: I526ddbe08fc8f50171fd1b4b68ee5c7cbcd3e228 Signed-off-by: Jono Mingard <jonom@catalyst.net.nz>
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