[Webkit-unassigned] [Bug 83993] New: Unsupported commands in execCommand/queryCommand* should throw except queryCommandSupported

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=83993

           Summary: Unsupported commands in execCommand/queryCommand*
                    should throw except queryCommandSupported
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML Editing
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rniwa at webkit.org
                CC: adele at apple.com, darin at apple.com, enrica at apple.com


Mozilla bug: https://bugzilla.mozilla.org/show_bug.cgi?id=742240

Virtually all versions of IE throws an exception and matches the spec, so there is probably a little risk that this causes a compat issue.

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