[1]
手元のメモによると、 [CODE@en[[[progress]]]] ([[DOM LS]]
の[[事象]]?) の関係で [CODE(DOMi)@en[[[Text]]]] [[節点]]が直接隣接する可能性があるかもしれないのですが、
どういうときにそうなる可能性があるのか忘れてしまいました[AA[orz]]

[2] [CITE@en[Fiddle with progress events]]
([[annevk]]著, [TIME[2016-09-15 22:29:05 +09:00]])
<https://github.com/whatwg/xhr/commit/01da69fb27d10a3315f9bf8259cc7074713379ee>


[3] [CITE@en[Don't fire a "progress" event for synchronous XMLHttpRequest]]
([[ricea]]著, [TIME[2018-05-09 01:49:10 +09:00]])
<https://github.com/whatwg/xhr/commit/62b1bf80f92c21e97a78ce00cf200e1656255012>

[4] [CITE@en[Should sync XHR fire a progress event? · Issue #207 · whatwg/xhr]]
([TIME[2018-05-10 12:44:56 +09:00]])
<https://github.com/whatwg/xhr/issues/207>

[5] [CITE@en[Don't fire "progress" event for sync XHR by ricea · Pull Request #208 · whatwg/xhr]]
([TIME[2018-05-10 12:45:45 +09:00]])
<https://github.com/whatwg/xhr/pull/208>