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

[bugzilla-daemon at webkit.org]

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





--- Comment #9 from Alexey Proskuryakov <ap at webkit.org>  2012-04-16 13:54:30 PST ---
They would call queryCommandSupported first. One way or another, some code needs to be written, be it a check or an exception handler.

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