Modified from Extensible Markup Language (XML) 1.0 (Fifth Edition)
Same as [https://www.w3.org/TR/xml/#NT-NameStartChar]NameChar but with the ':' character removed
[_4a] NameChar ::= NameStartChar_minusColon | "-" | "." | [0-9] | #xB7 | [#x0300-#x036F] | [#x203F-#x2040]