[1] 日本語組版処理の要件(日本語版) ( (Japanese Layout Task Force 著, 2012-03-23 20:19:12 +09:00 版)) http://www.w3.org/TR/jlreq/ja/#d3e857

[2] 日本語組版処理の要件(日本語版) ( (Japanese Layout Task Force 著, 2012-03-23 20:19:12 +09:00 版)) http://www.w3.org/TR/jlreq/ja/#ja-subheading2_7_3

[3] 日本語組版処理の要件(日本語版) ( (Japanese Layout Task Force 著, 2012-03-23 20:19:12 +09:00 版)) http://www.w3.org/TR/jlreq/ja/#term.even-inter-character-spacing

[4] Techniques for WCAG 2.0 ( (2014-03-11 23:08:17 +09:00 版)) http://www.w3.org/TR/2014/NOTE-WCAG20-TECHS-20140311/complete.html#F88

[5] ZWSP

[6] JSTF