Support global attributes

[wbamberg]

The HTML documentation on MDN includes pages for all the global attributes, e.g. https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/accesskey.

We should define a structure for these pages, and migrate all of them into that structure.

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Acceptance criteria:

• global attributes recipe is written and checked into stumptown-content
• all global attributes are migrated into stumptown-content

[Elchi3]

Currently, we have a few attributes migrated to certain elements that are actually global attributes per the spec. We should move these into the global attributes folder once it exists and add spec_url.

body (see https://html.spec.whatwg.org/multipage/dom.html#global-attributes:event-handler-content-attributes)

• onblur
• onerror
• onfocus
• onload
• onredo
• onresize
• onundo

button

• autofocus (see https://html.spec.whatwg.org/#the-autofocus-attribute:attr-fe-autofocus-7)

[Elchi3]

all global attributes are migrated into stumptown-content

I'm removing this from the AC but we should come back to it once we have initial support for global attributes in the next sprint.

[atopal]

Can you make sure there is a user story (stub) for that?

[jmswisher]

Parked until a decision is made about its future.