Manages the working set of objects that are edited in a reference.

List of Options
The following options are displayed.
Add to Working Set
Adds objects to the current working set while editing an xref or a block definition in-place. (REFSET command)
Remove From Working Set
Removes objects from the current working set while editing an xref or a block definition in-place. (REFSET command)
Discard Changes
Discards the changes made to an xref or a block definition. (REFCLOSE command)
Save
Saves back the changes made to an xref or a block definition. (REFCLOSE command)