Re: [PATCH v2 0/5] MR2098: mshtml: Implement synchronous XMLHttpRequests.

[Jacek Caban (＠jacek)]

Jacek Caban (@jacek) commented about dlls/mshtml/htmlevent.c:
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>    if(!queued_event) {
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>        ERR("no memory to queue event\n");
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>        return E_OUTOFMEMORY;
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>    }
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>    queued_event->event = event;
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>    queued_event->event_target = event_target;
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>    IDOMEvent_AddRef(&event->IDOMEvent_iface);
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>    IEventTarget_AddRef(&event_target->IEventTarget_iface);
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>    /* While queuing an event this way would not work correctly with their default behavior
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>     * in Gecko (preventDefault() can't be called because we need to *delay* the default,
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>     * rather than prevent it completely), Gecko does suppress events reaching the document
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>     * during the sync XHR event loop, so all the element/node events should be safe. There
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>     * are other events not delayed by Gecko though, but I think those don't have defaults.

What events are not delayed? I'm trying to understand why we need to worry about events initiated by Gecko.