Put the quoted : first

That way if it is ending the DATA statement but the GOTO is getting
ignored because all normal strings are ignored, we'll still trigger an
error with the next GOTO.

Author: hackerb9

samples/JMPTST.DO

@@ -51,7 +51,7 @@
 1170 GOSUB 170
 1180 ON A GO TO 1,2,3, 180, 4,5,6
 1190 ON COM GOSUB 1,2,3, 190, 7,8,9
-1200 DATA GOTO 530,":GOTO 530": GOTO 200
+1200 DATA ":GOTO 530",GOTO 530: GOTO 200
 1500 '
 1510 DATA GOTO 510
 1520 DATA "GOTO 520"