[whatwg] Feedback on UndoManager spec

Ryosuke Niwa rniwa at webkit.org
Wed Oct 26 23:44:08 PDT 2011

On Wed, Oct 26, 2011 at 11:06 PM, Jonas Sicking <jonas at sicking.cc> wrote:

> On Wed, Oct 26, 2011 at 9:06 PM, Ryosuke Niwa <rniwa at webkit.org> wrote:
> > The problem is that if the undo manager has automatic transactions in
> them,
> > then they'll have references to nodes to undo/redo transactions. But
> those
> > nodes's owner document is still that of the old document. At least in
> > WebKit, this will be a bit of an issue.
> The way that the DOM4 spec is written these days, those nodes will get
> automatically adopted when they are inserted into the new document.
> If webkit has limitations around that, those limitations needs to be
> fixed anyway in order to implement DOM4 correctly.

Interesting. I've done some quick testing but maybe problems I had in mind
no longer exist in WebKit. We do a poor job on node adoption and lifetime
control so this might be a good opportunity to sort them out anyway.

- Ryosuke

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