merge.properties (Receipt and Selection)
File location:  $LASRCDIR/productline/merge.properties 
This file notes the state of an attempted update of a customized product line, so that it can be committed back to the repository after any conditions preventing completion of the update are corrected.
| Parameter | Description | 
|---|---|
FIRST_MERGE_REVISION | 
            Earliest revision tag of a pending merge. | 
LAST_MERGE_REVISION | 
            Latest revision tag of a pending merge. |