I port the patch for esperanto symbols removed in 1be2acd131 to the current xkeyboardconfig. (cherry picked from commit 4a830de0323e34592a36dea660d9a3ec8348964e)
1be2acd131
Also drop Esperanto patch for now, as it doesn't apply anymore and there are some Esperanto variants inside. Discussed: https://github.com/NixOS/nixpkgs/commit/fa5a583098