Unicode - sgml/signature GitHub Wiki
https://www.w3.org/International/articles/definitions-characters/
http://unicode.org/reports/tr23/
http://www.unicode-symbol.com/block/Braille.html
https://logosconcarne.com/2021/11/15/the-blessing-of-unicode/
https://en.wikipedia.org/wiki/Unicode_equivalence
https://www.w3.org/International/questions/qa-html-encoding-declarations
https://hsivonen.fi/string-length/
https://www.codeproject.com/Articles/8090/MS-Word-style-Symbol-Dialog
https://stackoverflow.com/questions/8169278/firefox-and-utf-16-encoding
https://lists.w3.org/Archives/Public/public-html/2010Jul/0193.html
http://benlynn.blogspot.com/2011/02/utf-8-good-utf-16-bad_07.html
https://ahlearns.wordpress.com/2015/08/21/ruby-2-2-2-utf-8-csv-files-and-excel/
https://news.ycombinator.com/item?id=12041562
https://help.salesforce.com/articleView?id=000003837&type=1
https://dzone.com/articles/the-programmers-way-to-convert-excel-to-csv
https://www.w3.org/TR/xml-entity-names/bycodes.html
https://www.w3.org/TR/xml-entity-names/026.html
https://www.w3.org/TR/charmod-norm/
https://www.w3.org/International/articles/unicode-migration/