[Webkit-unassigned] [Bug 202212] New: AX: ARIA spelling and grammar errors should be reported by VoiceOver

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=202212

            Bug ID: 202212
           Summary: AX: ARIA spelling and grammar errors should be
                    reported by VoiceOver
           Product: WebKit
           Version: Safari 12
          Hardware: All
                OS: macOS 10.14
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: aleventhal at google.com
                CC: webkit-bug-importer at group.apple.com

Created attachment 379560

  --> https://bugs.webkit.org/attachment.cgi?id=379560&action=review

Test file

Steps:
1. Load attached minimal test file with VoiceOver in Safari
2. Navigate each contenteditable by word 

Expected:
In the first line, "checker" should be reported as incorrectly spelled.
In the second line, "mine" should be reported as a grammar error.

Importance: the use case here is for apps such as Google Docs, Gmail, etc. that use spellcheck="false" and report their own spelling and grammar errors.

Tech notes: using UIElementInspector, it appears that AXInvalid is not being exposed on the <span> elements. However, AXInvalid does seem to be exposed on form control elements. Note that aria-invalid is a global ARIA attribute that can apply to any element. The "spelling" and "grammar" values are especially useful for rich text editing scenarios like this.

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