- el_history(+In:stream, ?Action) is det
- Perform a generic action on the history. This provides an incomplete
interface to
history() from libedit. Supported actions are:
- clear
- Clear the history.
- setsize(+Integer)
- Set size of history to size elements.
- setunique(+Boolean)
- Set flag that adjacent identical event strings should not be
entered into the history.