http://gathering.tweakers.net/forum/list_messages/966295
http://lxr.mozilla.org/seamonkey/source/content/html/content/src/nsGenericHTMLElement.cpp#858
http://lxr.mozilla.org/seamonkey/source/content/base/src/nsDocumentEncoder.cpp#874
http://lxr.mozilla.org/seamonkey/source/content/base/src/nsDocumentEncoder.cpp#352
http://lxr.mozilla.org/seamonkey/source/content/base/src/nsDocumentEncoder.cpp#265
http://lxr.mozilla.org/seamonkey/source/content/base/src/nsHTMLContentSerializer.cpp#189