< [[Basics]] | [[References]] > (It's also in the manual at "Registers")
=Basics=
=Sorting=
The sorting of the index is influenced by the current [[Language CodesLanguages#Language_tags|languagetag]]. You can override that with the {{key|language}} key of {{cmd|setupregister}}.
There are a few additional "languages" for sorting, as defined in {{src|sort-lan.mkiv}}:
* <tt>DIN 5007-1</tt> (German) normal sorting, ß = ss