It can also help eliminate some editing errors, when copying entries to extend a list or reordering entries. I prefer leading commas to having a final comma wi

It can also help eliminate some editing errors, when copying entries to extend a list or reordering entries. I prefer leading commas to having a final comma with an empty clause, though some people hate that and they don't really solve all the final-entry issues (they address some of them, but others are just moved to being first-entry issues).