Bug 1011 – Accept multiple roles in a role attribute

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Bug 1011 - Accept multiple roles in a role attribute


Summary:	Accept multiple roles in a role attribute

Status:	NEW

Product:	Validator.nu
Classification:	Unclassified
Component:	ARIA
Version:	HEAD
Hardware:	All All

Importance:	P2 normal
Assigned To:	Nobody

URL:

Depends on:
Blocks:
	Show dependency tree / graph

Reported:	2014-12-21 19:29 CET by Jukka K. Korpela
Modified:	2014-12-21 19:29 CET (History)
CC List:	0 users

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Description Jukka K. Korpela 2014-12-21 19:29:24 CET

Markup like <h1 role="heading button">foo</h1> causes the following error message:

Error: Discarding superfluous token button from value of attribute role. Browsers only process the first token found that is a defined ARIA non-abstract role.

However, the W3C HTML5 Rec. says about the role attribute:

The attribute, if specified, must have a value that is a set of space-separated tokens representing the various WAI-ARIA roles that the element belongs to.

The WAI-ARIA role that an HTML element has assigned to it is the first non-abstract role found in the list of values generated when the role attribute is split on spaces.

http://www.w3.org/TR/html5/dom.html#aria-role-attribute

Thus, the message should not be an error message. A warning might be issued.