The XUL file in http://www.fas.harvard.edu/~dbaron/tmp/ns/ (accessible only from .netscape.com) crashes if you do the following: * load the file * click "Add" * click "List" + boom. Expected: no crash :-) Also crashes if you click "Date". In Linux viewer, crashes on: * 1999-07-20-10-M9 * 1999-07-22-08-M9 does not crash on: * 1999-07-19-11-M9 Note that at the same time this crash started, event handling on the absolutely positioned stuff at the top completely disappeared, and clicking there does nothing in the builds that crash. There was also a change in layout at the same time, to become correct: the margin-top on the div#tabs didn't come below the absolutely positioned div[class~="main"], but under it (z-index), at it should. I should probably file a separate bug on the first of those problems, but I haven't yet...

The event handling problem is probably unrelated. That's all Tom pretty much

I'm marking this as a DUP of 10268, because I was getting crashes as well before the fix to 10268 and now it works okay for me. In fact it renders completely differently. It looks nice! I also ran this under Purify and didn't see anything disturbing (other than about a million FMM that looked to be related to the network code) *** This bug has been marked as a duplicate of 10268 ***

Your changes for 10268 seem to have fixed all the problems I described here, including the (possible) improvement in absolute positioning handling, although what should happen in XUL is unclear. Verified duplicate

I was hallucinating about the absolute positioning bug. Things are fine now, except that absolutely positioned elements disappear in XUL... which may be a feature.

Sounds like a feature to me, too. The next step is for XUL to disappear all together. :-)