webcomposekey should support all living European languages based on the Latin script, major Cyrillic-based Slavic languages, Arabic, Armenian, Georgian (Mkhedruli), polytonic Greek, Hebrew, and various other scripts, incl. Braille, Runic, and the NATO Phonetic Alphabet.
Until all characters have become categorized, many more characters are available than those listed below.
Also see: diacritics | sequences by category | supported languages
Belarusian written with the Cyrillic script
Also see “Moldovan” for use with the Cyrillic script, as practiced in Transnistria.
Uzbek written with the Cyrillic script
N.b.: sequences for Cyrillic characters are based on the ISO 9:1995 transliteration standard.
Russian characters plus …
Ukrainian characters plus …
Belarusian written with the Latin script
Russian characters plus …
Serbian characters plus …
Also see “Romanian” for use with the Latin script, as practiced outside Transnistria.
Russian characters plus …
Russian characters plus …
Russian characters plus …
Russian characters plus …
Also covers Rusyn (Ruthenian)
Russian characters plus …
Russian characters plus …
Uzbek written with the Latin script
See Arabic script
See Armenian script
See Georgian (Mkhedruli) script
See Hebrew script