Version 0.3 of package Rnc-Mode has just been released in GNU ELPA. You can now find it in M-x list-packages RET.
Rnc-Mode describes itself as: ========================================= Emacs mode to edit Relax-NG Compact files ========================================= More at https://elpa.gnu.org/packages/rnc-mode.html ## Summary: ## Recent NEWS: [Not provided 🙁]
