version 6/080508 by Mikael Segercrantz
Section 1(b)2 - Region
A region has a table-name called scenic table.
The scenic table of a region is usually the Table of Default Atmospherics.
A region has an ignoring type called ignoring.
The ignoring of a region is usually do not ignore.
A region has a shown type called isshown.
The isshown of a region is usually unshown.