1.0
release
Just a Rotten Flesh Charcoal
Cook or Smelt Rotten Fleshes to Get Charcoals!
191
Just a Rotten Flesh Charcoal
Running Out of Coals in Cave? Say No More Worry! Here's a Simple Datapack That Allows You to Cook or Smelt Rotten Fleshes to Get Charcoals!
Should support older versions of Minecraft, not sure, you can try.