**Warning**: ``histedit`` alters history! It probably won't destroy your data,
but that chance exists. You should *never* edit already-published history.
Caveat Emptor. (You may want to use the --outgoing option to prevent editing
unpushed history, though the changes may already be in another repository.)
+pushed history, though the changes may already be in another repository.)
**Warning 2**: If you ``drop`` a change, it's *gone* **forever** (unless you
passed ``--keep``). You've been warned!