> Diego A.,
> you are correct...I forgot the "special" "custom" event... :-)
>
> There are probably a couple of ways to solve this long puzzle,
> the first is easy and hope finally backward compatible with
> existing code; remove the following conditional lines so
> the contained block is always executed:
>
>    // is it a custom event
>    if ( !ev.initEvent ) {
> ...
>    }
>
> Above code start around line 2220 in the patched jQuery source.
>
> This will decrease a bit in performances for every other type of
> event on every browser but IE (event properties are writable).
>
> That code block is what makes the event object writable on other
> browsers different from IE, the conditional around it was put in
> place to only do this when dealing with custom events,
> but special events are still another case (similar...).
>
> I will do my best to setup a new patch with that correction.
>
> I am currently closing a long waiting work and not too much
> time left. Thank you for reviving this out of that long thread.
>
> Diego Perini
>
> On 12 Apr, 16:57, "Diego A." <diego.a...@...> wrote:
>
> > Continued from:http://groups.google.com/group/jquery-dev/browse_frm/thread/8cce225d1...
>
> > Hi Diego (Perini),
>
> > I've been away for a few days, and now I've tested the latest version
> > of your patch, I still get an error with the TreeView plugin. I don't
> > know if it's something the TreeView plugin.
>
> > I've setup a test here:http://www.fyneworks.com/jquery/event.fix/DiegoPerini/readOnlyProperty/
>
> > The error messages are:
>
> > (line 2315) setting a property that has only a getter
> > [Break on this error] arguments[0].type = "mouseleave";
>
> > (line 2293) setting a property that has only a getter
> > [Break on this error] arguments[0].type = "mouseenter";
>
> > As far as I can see, the problem originates from the use of the .hover
> > function, which in turn uses the special jQuery mouseenter /
> > mouseleave events. I found some information about them here:http://jquery.com/blog/2008/01/15/jquery-122-2nd-birthday-present/
>
> > I hope this helps.
>
> > Diego A.