Applications using Xlib input handling should recognize these compose key sequences in locales using the koi8-u compose table.

koi8-u Compose Sequence Sequence Definition This file currently has no entries. It appears that a compose file (even just an empty one) is required for the appropriate keysyms to work for this encoding. <Multi_key> Means <Compose> Special Character End of Sequence Definition

This compose table defines no sequences of its own.