[1] CSS Inline Layout Module Level 3 ( ( 版)) http://www.w3.org/TR/2014/WD-css-inline-3-20141218/
[2] CSS Inline Layout Module Level 3 ( ( 版)) http://www.w3.org/TR/2015/WD-css-inline-3-20150917/
[3] CSS Inline Layout Module Level 3 () https://www.w3.org/TR/2018/WD-css-inline-3-20180802/
[4] [CSSWG][css-inline-3] Updated WD of CSS Inline Layout Level 3 (fantasai著, ) https://lists.w3.org/Archives/Public/www-style/2018Aug/0001.html
[5] CSS Inline Layout Module Level 3 () https://www.w3.org/TR/2018/WD-css-inline-3-20180808/