The OVERLINE Clause
The OVERLINE clause causes every character of the screen item to have a horizontal
line above it when the item appears on the screen. The line is within the
character-position.
General Format

Syntax Rules
- The OVERLINE clause can be used with a screen item.
- If the OVERLINE clause is specified at group level, it applies to all suitable
subordinate elementary items.
- If this clause is used on a system that does not support overlining it has
no effect.
General Rules
- The OVERLINE clause causes every character of the screen item to have a horizontal
line above it when the item appears on the screen.