Component Comment Lines
Callouts are not available on Solo Edition.
These callouts add comment lines to a component when it is written to a physical location with a storage format of M. The callout must be written as a line label or routine call.
R, INT, WLD, INC and MAC Components
||Unique ID of temporary global|
See routines %vc580, %vc660, %vc661 and %vc662.