Re: Proposal: Provide better advice on constraint validation instructions

Is this mainly about accessibility of @title or about the lack of support
of @title on touch devices?
Assuming it's both, aren't these issues based on a lack of implementation
rather than errors in the spec?
Wouldn't we be better of with HTML5.1 to encourage implementation rather
than changing the spec?

Silvia.

On Tue, Mar 12, 2013 at 9:05 PM, Steve Faulkner <faulkner.steve@gmail.com>wrote:

> Hi all,
>
> a while back I submitted a bug about the HTML spec recommending the use
> of the title attribute for instructions[1]
>
> "the spec suggests user agents use the title attribute for description
> strings that may be displayed at any time. Due to user agents not
> implementing 'tooltips' accessibly, the content is not available to
> keyboard only users until an incorrect pattern has been put in.
>
> I am proposing to add/modify advice and code examples (in the relevant
> section [2]) on how to provide instructions to users, that are not reliant
> upon the use of the title attribute.
>
> The methods I am going to recommend all involve adding the instructions in
> text either as part of the label or associated vi aria-describedby :
>
> example using the label
> <label> Part number:
>  <input pattern="[0-9][A-Z]{3}" name="part">
> A part number is a digit followed by three uppercase letters. </label>
>
> example using aria-describedby
>
> <label> Part number:
>  <input pattern="[0-9][A-Z]{3}" name="part"
> aria-describedby="instructions">
>  </label>
>
> <p id="instructions"> A part number is a digit followed by three uppercase
> letters.</p>
>
>
> I envisage that this advice can be modified to recommend use of the title
> attribute at a time when it is interoperably implemented in an input device
> independent way.
>
> [1] https://www.w3.org/Bugs/Public/show_bug.cgi?id=16835
> [2]
> http://www.w3.org/html/wg/drafts/html/master/forms.html#attr-input-pattern
>
> feedback welcome!
>
> with regards
>
> SteveF <http://www.paciellogroup.com/resources/wat-ie-about.html>
> --
> HTML 5.1 <http://www.w3.org/html/wg/drafts/html/master/>
> <http://www.paciellogroup.com/resources/wat-ie-about.html>
>