Version 1.2.5 of package Loccur has just been released in GNU ELPA. You can now find it in M-x list-packages RET.
Loccur describes itself as: =============================================== Perform an occur-like folding in current buffer =============================================== More at https://elpa.gnu.org/packages/loccur.html ## Summary: Add the following to your .emacs file: ## Recent NEWS: [Not provided 🙁]
