10.6.2.1740.12
K-F4
k-f-4
FACILITY EXT
 
( -- u )

Leaves the value u that the sequence EKEY EKEY>FKEY would produce when the user presses the "F4" key.

See:
10.6.2.1306.40 EKEY>FKEY, A.10.6.2.1306.40 EKEY>FKEY.