[whatwg] Fixing undo on the Web - UndoManager and Transaction

[Aryeh Gregor]

On Fri, Oct 28, 2011 at 3:06 AM, Jonas Sicking <jonas at sicking.cc> wrote:
> I'm not sure what you are trying to say.

I think he means to say that custom IDL properties added by authors
have to persist.  I'm not sure there's any official name for them in
standards, but I've heard them called expando properties.  Perhaps
DOM4 should define a name for them, for convenience's sake.