| 81B17 |  ERRBEEP | (  →  )Beeps.
 | 
| 819EB |  ERROR@ | (  → # )Returns current error number.
 | 
| 819F0 |  ERRORSTO | ( # →  )Stores new error number.
 | 
| 8424A |  ERROROUT | ( # →  )Stores new error number and calls
 ERRJMP. | 
| 819F5 |  ERRORCLR | (  →  )Stores zero as new error number.
 | 
| 81A18 |  ERRJMP | (  →  )Invokes error handling sub-system.
 | 
| 81A04 |  GETEXITMSG | (  → $ )Gets EXITMSG (user defined error message).
 | 
| 81A09 |  EXITMSGSTO | ( $ →  )Stores $ as EXITMSG.
 | 
| 8212F |  DO#EXIT | ( # →  )Stores new error number, does <REF>AtUserStack
and then <REF>ERRJMP.
 | 
| 82139 |  DO$EXIT | ( $ →  )Stores string as  EXITMSG, #70000 as error
number, does  <REF>AtUserStack and then
<REF>ERRJMP .
 | 
| 81F9A |  ABORT | (  →  )Does <REF>ERRORCLR and <REF>ERRJMP .
 | 
| 81A0E |  ERRSET | (  →  )Sets new error trap.
 | 
| 81A13 |  ERRTRAP | (  →  )Error trap marker. If no error happens, still
removes all temporary environments created
since
 ERRSET. | 
| 831E7 |  JstGetTHEMESG | ( # → $ )Fetches message from message table. To get
a message from a
 library, use the formula:
  libnum*#100+msgnum.
 --<REF>TEXT:Libraries
aka:
 JstGETTHEMSG | 
| 831DD |  GETTHEMESG | ( # → $ )If #70000 then does <REF>GETEXITMSG, else does
<REF>JstGetTHEMESG .
 
 --<REF>TEXT:Libraries
 | 
| 829EF |  ?GetMsg | (  # → $msg )
 ( ob → ob   )If the argument is a bint, does
 JstGETTHEMSGto fetch a message. Other arguments are
returned unchanged.
 --<REF>TEXT:Libraries
 |