[Webkit-unassigned] [Bug 138494] collapse api in DOMSelection IDL does not match as per specification

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=138494

--- Comment #3 from Ryosuke Niwa <rniwa at webkit.org> ---
Comment on attachment 241165
  --> https://bugs.webkit.org/attachment.cgi?id=241165
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=241165&action=review

> Source/WebCore/page/DOMSelection.idl:44
> -    [RaisesException] void collapse([Default=Undefined] optional Node node, 
> -                  [Default=Undefined] optional long index);
> +    [RaisesException] void collapse(Node node, long index);

I'm not certain if this is a backwards compatible change.
It may break contents that rely on these arguments to be optional in WebKit.

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