Not all languages are supported by this layout. Linux also offers the "US International Alternative" layout,
which contains more dead keys to input pretty much every diacritic character in a language using latin letters.
which contains more dead keys to input pretty much every diacritic character in a language using latin letters. More information can be found [here](http://web.archive.org/web/20160818101234/http://dry.sailingissues.com/us-international-keyboard-layout.html).