[1] [CITE[Bug 340571 – getBoxObjectFor leaking-onto-the-Web disaster]] ([TIME[2009-01-01 14:03:36 +09:00]] 版) <https://bugzilla.mozilla.org/show_bug.cgi?id=340571>

[2] [CITE[Bug 8154 - Implement Mozilla's getBoxObjectFor]] ([TIME[2009-01-06 22:23:19 +09:00]] 版) <https://bugs.webkit.org/show_bug.cgi?id=8154>