[56] 日本語組版処理の要件(日本語版) ( (Japanese Layout Task Force 著, 版)) http://www.w3.org/TR/jlreq/ja/#processing_of_notes
[57] Annotation Use Cases ( ( 版)) http://www.w3.org/TR/2014/WD-dpub-annotation-uc-20140313/
[1] 28555 – Your use of "Example" and "Note" in the CSS rather than HTML, when it carries substantial heading-type semantics, is kind of double standards ain't it? () https://www.w3.org/Bugs/Public/show_bug.cgi?id=28555
[3] 「注」の形式と縦組での「傍注」の利用 - JAGAT, , https://www.jagat.or.jp/past_archives/content/view/5045.html