ISO 15924

For example, they can be used in HTML and XML to help Web browsers determine which typeface to use for foreign text.

This way one could differentiate, for example, between Serbian written in the Cyrillic (sr-Cyrl) or Latin (sr-Latn) script, or mark romanized or transliterated text as such.

The RA is responsible for appointing a registrar who works with a Joint Advisory Committee (JAC) in developing and implementing the standard.

For definition of font and glyph the standard refers to Around 160 scripts are defined in Unicode.

Through a linkpin called "Property Value Alias", Unicode has made a 1:1 connection between a script defined, and its ISO 15924 standard.