FCOM/PRO/NOR/SOP/06/D/TAKEOFF DATA INSERTION (PERF TAKEOFF PAGE)
"TO SHIFT................................................AS RQRD
Enter the takeoff SHIFT distance, if takeoff is to be from an intersection.
This is essential for position updating at takeoff and, consequently, for navigation accuracy."
My oldest FCOM is 2008, with quite few editions between that one and the latest, the sentence is perfectly unchanged, applicable for all A/C in fleet.
Question: Where from did we learn not to enter TO SHIFT w/GPS? It was a long time ago, still I seem to remember that as a change, "from today onwards we will not enter ...."