dijit/form/ValidationTextBox prematurely sets "aria-invalid" attribute to true for required fields with empty values.

[bill]

If you create a simple test page with a single dijit/form/ValidationTextBox as follows:

<div data-dojo-type="dijit/form/ValidationTextBox" data-dojo-props="required: true"></div>

You will see in the DOM that the "aria-invalid" attribute is set to "true" on the "focusNode" initially.

However, from the WAI-ARIA specification at ​http://www.w3.org/TR/wai-aria/states_and_properties#aria-invalid

It reads: "authors SHOULD NOT set the aria-invalid attribute on required widgets simply because the user has not yet entered data."

I am guessing we should not set "aria-invalid" to true until after the first "focus" and "blur" events have occurred.

[bill]

Also happens with the "Favorite number" example in dijit/tests/form/test_validate.html

[Bill Keese <bill@…>]

In 0f25f89898792f97f6e3b5c15af1d62f5824ab70/dijit:

Error: Processor CommitTicketReference failed

Unsupported version control system "git": Can't find an appropriate component, maybe the corresponding plugin was not enabled? 

[Bill Keese <bill@…>]

In 467a1e21899878f3fb9ec29ac1feb5df343ce684/dijit:

Error: Processor CommitTicketReference failed

Unsupported version control system "git": Can't find an appropriate component, maybe the corresponding plugin was not enabled? 

[Bill Keese <bill@…>]

In 97fff6d/dijit:

Error: Processor CommitTicketReference failed

Unsupported version control system "git": Can't find an appropriate component, maybe the corresponding plugin was not enabled? 

[Bill Keese <bill@…>]

In dba094d/dijit:

Error: Processor CommitTicketReference failed

Unsupported version control system "git": Can't find an appropriate component, maybe the corresponding plugin was not enabled? 

[bill]

Backported to 1.7.9 and 1.8.11 (in addition to 1.10.0 and 1.9.4)