R: V: creates live two-way bindings to PB GLOBAL variables.
V: #NUMBER|pilot_bridge_number|QUAD
V: #NUMBER_ALIAS|pilot_bridge_number|QUAD
V: $TEXT|pilot_bridge_text|STRING
V: $TEXT_ALIAS|pilot_bridge_text|STRING
C: #CHECK = #NUMBER - 40
N: T: "number-imported"
T: $TEXT
C: #NUMBER = 42
C: $TEXT = "from-pilot"
T: $TEXT_ALIAS
C: #CHECK = #NUMBER_ALIAS - 42
N: T: "number-exported"
E:
