Re: Are role values case sensitive?

Also see https://www.w3.org/TR/html-aria/#case-sensitivity for rules of use
in HTML

Authors *MUST* use lowercase ASCII letters
> <https://w3c.github.io/html/infrastructure.html#lowercase-ascii-letters>
> for all role token values and any state or property attributes (aria-*)
> whose values are defined as tokens
> <https://www.w3.org/TR/wai-aria-1.1/#propcharacteristic_value>.

--

Regards

SteveF
Accessibility is political[image: ✊]
Working for the web
<https://twitter.com/stevefaulkner/status/940835584410574850>,
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On Thu, 7 Feb 2019 at 09:39, Léonie Watson <lw@tetralogical.com> wrote:

> The short answer is that yes, the roles are case sensitive. The longer
> answer can be found in Section 9.1.2 of the ARIA1.0 specification, which
> states:
>
> "The applicable WAI-ARIA role is the concrete WAI-ARIA role whose name
> is matched by the first token in the sequence of tokens in the role
> attribute
> value
>   which matches, on case-sensitive comparison, the name of any concrete
> WAI-ARIA role."
>
> Interestingly, Section 9 Quality Assurance has been dropped in ARIA1.1,
> possibly because it included informative guidance as well as normative
> requirements. The case sensitivity is still relevant in practice though,
> as you've discovered.
>
> Léonie.
> [1] https://www.w3.org/WAI/PF/aria/qa
>
>
> On 07/02/2019 00:46, Suman Damera wrote:
> > Hi all,
> >
> > Hope you are doing good. I would like to understand whether the ARIA
> > role values are case insensitive or case sensitive.  For example, if I
> > put either role=”LINK”(all the upper case letters) or role=”LiNk”(mixed
> > case) or role=”link”(lower case) then does it really matter? the reason
> > for asking this question is that I found strange results while I am
> > doing this particular study. During my study, the except NVDA FF and
> > JAWS FF, no other combination(NVDA chrome, JAWS FF, JAWS chrome) really
> > concerns the upper case/lower case of the role values. To put it
> > simpler, except firefox combinations(JAWS FF and NVDA FF), other
> > combinations(JAWS chrome, JAWS IE, NVDA chrome, NVDA IE) identifies the
> > link as link irrespective of the lower/upper/mixed case. In addition,
> > how about eh case sensitivity of the strings that we pass in the ARIA
> > states/properties(ex: aria-expanded)
> >
> > Could you please clarify my queries and do needful?
> >
> > Thank you.
> >
>
> --
> Director @TetraLogical
>
>