Entries from pins_arduino.h (such as NOT_A_PIN and NOT_A_PORT) were

not correctly identified as LITERAL1 symbols.  That has been fixed.

build/shared/lib/keywords.txt

@@ -53,59 +53,59 @@ TOGGLES_PER_SEC	LITERAL1
 TWO_PI	LITERAL1
 
 # From pins_arduino.h.
-NOT_A_PIN
-NOT_A_PORT
-NOT_ON_TIMER
-NOT_ANALOG_PIN
-NOT_PPS_PIN
-NOT_CN_PIN
-NUM_DIGITAL_PINS_EXTENDED
-_BN_TIMER_OC
-_BN_TIMER_IC
-_BN_TIMER_TCK
-_BOARD_AN0
-_BOARD_AN1
-_BOARD_AN2
-_BOARD_AN3
-_BOARD_AN4
-_BOARD_AN5
-_BOARD_AN6
-_BOARD_AN7
-_BOARD_AN8
-_BOARD_AN9
-_BOARD_AN10
-_BOARD_AN11
-_BOARD_AN12
-_BOARD_AN13
-_BOARD_AN14
-_BOARD_AN15
-_MSK_TIMER_OC
-_MSK_TIMER_IC
-_MSK_TIMER_TCK
-_IOPORT_PA
-_IOPORT_PB
-_IOPORT_PC
-_IOPORT_PD
-_IOPORT_PE
-_IOPORT_PF
-_IOPORT_PG
-_RPOBASE
-_RPIBASE
-_TIMER_OC1
-_TIMER_OC2
-_TIMER_OC3
-_TIMER_OC4
-_TIMER_OC5
-_TIMER_IC1
-_TIMER_IC2
-_TIMER_IC3
-_TIMER_IC4
-_TIMER_IC5
-_TIMER_TCK1
-_TIMER_TCK2
-_TIMER_TCK3
-_TIMER_TCK4
-_TIMER_TCK5
+NOT_A_PIN	LITERAL1
+NOT_A_PORT	LITERAL1
+NOT_ON_TIMER	LITERAL1
+NOT_ANALOG_PIN	LITERAL1
+NOT_PPS_PIN	LITERAL1
+NOT_CN_PIN	LITERAL1
+NUM_DIGITAL_PINS_EXTENDED	LITERAL1
+_BN_TIMER_OC	LITERAL1
+_BN_TIMER_IC	LITERAL1
+_BN_TIMER_TCK	LITERAL1
+_BOARD_AN0	LITERAL1
+_BOARD_AN1	LITERAL1
+_BOARD_AN2	LITERAL1
+_BOARD_AN3	LITERAL1
+_BOARD_AN4	LITERAL1
+_BOARD_AN5	LITERAL1
+_BOARD_AN6	LITERAL1
+_BOARD_AN7	LITERAL1
+_BOARD_AN8	LITERAL1
+_BOARD_AN9	LITERAL1
+_BOARD_AN10	LITERAL1
+_BOARD_AN11	LITERAL1
+_BOARD_AN12	LITERAL1
+_BOARD_AN13	LITERAL1
+_BOARD_AN14	LITERAL1
+_BOARD_AN15	LITERAL1
+_MSK_TIMER_OC	LITERAL1
+_MSK_TIMER_IC	LITERAL1
+_MSK_TIMER_TCK	LITERAL1
+_IOPORT_PA	LITERAL1
+_IOPORT_PB	LITERAL1
+_IOPORT_PC	LITERAL1
+_IOPORT_PD	LITERAL1
+_IOPORT_PE	LITERAL1
+_IOPORT_PF	LITERAL1
+_IOPORT_PG	LITERAL1
+_RPOBASE	LITERAL1
+_RPIBASE	LITERAL1
+_TIMER_OC1	LITERAL1
+_TIMER_OC2	LITERAL1
+_TIMER_OC3	LITERAL1
+_TIMER_OC4	LITERAL1
+_TIMER_OC5	LITERAL1
+_TIMER_IC1	LITERAL1
+_TIMER_IC2	LITERAL1
+_TIMER_IC3	LITERAL1
+_TIMER_IC4	LITERAL1
+_TIMER_IC5	LITERAL1
+_TIMER_TCK1	LITERAL1
+_TIMER_TCK2	LITERAL1
+_TIMER_TCK3	LITERAL1
+_TIMER_TCK4	LITERAL1
+_TIMER_TCK5	LITERAL1
 
 # From math.h.
 M_E	LITERAL1