Defines the appearance of span & versine annotations and their values.
Available Annotation Values:
1. Span
2. Versine
Default Appearance:
The versine symbol is displayed in three different ways, dependent on the versine value.
Down Versine
Up Versine
No Versine
Changing appearance: If you wish to change the appearance of this annotation or its values, your Project Settings Administrator must request a project settings change, and include a drawing of the required layout.