[accname] Do “AriaLabel” substep before “Embedded Control” substep #2377
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This change reorders the “AriaLabel” substep in the set of steps in the accname Computation algorithm such that it occurs before the “Embedded Control” substep, rather than after that step. Otherwise, without this change, the spec as written doesn’t match the behavior as implemented in existing UAs, nor the corresponding requirements at https://w3c.github.io/html-aam/#accname-computation in the HTML-AAM spec: > If the [embedded-control] element has an aria-label or an > aria-labelledby attribute the accessible name is to be calculated > using the algorithm defined in Accessible Name and Description: > Computation and API Mappings. (Which is the first step in accname computation for each control) Also, without this change, the spec doesn’t match the expectations in http://wpt.fyi/results/accname/name/comp_label.html for the “input with label for association is superceded by aria-label” subtest.
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This change reorders the “AriaLabel” substep in the set of steps in the accname Computation algorithm such that it occurs before the “Embedded Control” substep, rather than after that step.
Otherwise, without this change, the spec as written doesn’t match the behavior as implemented in existing UAs, nor the corresponding requirements at https://w3c.github.io/html-aam/#accname-computation in the HTML-AAM spec:
(Which is the first step in accname computation for each control)
Also, without this change, the spec doesn’t match the expectations in http://wpt.fyi/results/accname/name/comp_label.html for the “input with label for association is superceded by aria-label” subtest.
Test, Documentation and Implementation tracking
Once this PR has been reviewed and has consensus from the working group, tests should be written and issues should be opened on browsers. Add N/A and check when not applicable.