It's not 'a control.xml file', it is supposed to read 'a control(ler) XML file'. Moreover, whoever translated this from Russian patch notes introduced a mistake.
While still not officially supported, we’ve improved the functionality of player-created sound mods - a control.xml file is created for each mod, which contains paths to all that mod's files.Ī single quizzical (and ultimately useless) line blurb about something that pretty much turned the sound mods upside their heads.