Version 0.1.13 of package Edit-Indirect has just been released in NonGNU ELPA. You can now find it in M-x list-packages RET.
Edit-Indirect describes itself as: ================================ Edit regions in separate buffers ================================ More at https://elpa.nongnu.org/nongnu/edit-indirect.html ## Summary: Edit regions in separate buffers, like `org-edit-src-code' but for arbitrary regions. ## Recent NEWS: [Not provided 🙁]