[1] [CITE@en-us[UTS #10: Unicode Collation Algorithm]]
( ([TIME[2013-09-27 22:15:14 +09:00]] 版))
<http://www.unicode.org/reports/tr10/>

[2] [CITE@EN[XPath and XQuery Functions and Operators 3.1]]
([TIME[2017-03-21 16:02:06 +09:00]])
<https://www.w3.org/TR/2017/REC-xpath-functions-31-20170321/>

[3] [CITE@EN[XSL Transformations (XSLT) Version 3.0]]
([TIME[2017-06-06 21:59:56 +09:00]])
<https://www.w3.org/TR/2017/REC-xslt-30-20170608/#uca-collations>

[4] [CODE(charname)@en[CGJ]]