RANGE-SET

For immortals

Many commands call for the use of a range set. A range set is simply a collection of ranges, each separated by a comma.

Examples of range sets:

1000 1999       1000-1999.
zone 4          The starting and ending room numbers for zone 4.
500, 1000 1999  500 and 1000-1999
100             100
zone 3, 100     All of zone 3 and 100.