127. ON-ERROR tip
     ~~~~~~~~~~~~
An ON-ERROR statement can take several forms other than just simply ON ERROR
GOTO . Here are a few ideas:

 10 ON ERROR GOTO 140

 10 ON ERROR RUN (or END or STOP)

 10 ON ERROR PROCboob:GOTO 550

 10 ON ERROR IF ERR=17 THEN 140 ELSE REPORT:PRINT" at line ";ERL:END