dictfull                            no more room in dictionary

dictstackoverflow                   too many begins

dictstackunderflow                  too many ends

execstackoverflow                   exec nesting too deep

handleerror                         called to report error information

interrupt                           external interrupt request (e.g.,cntrl-C)

invalidaccess                       attempt to violate access attribute

invalidexit                         exit not in loop

invalidfileaccess                   unacceptable access string

invalidfont                         invalid font name or dict

invalidrestore                      improper restore

ioerror                             input/output error occurred

limitcheck                          implementation limit exceeded

nocurrentpoint                      current point is undefined

rangecheck                          operand out of bounds

stackoverflow                       operand stack overflow

stackunderflow                      operand stack underflow

syntaxerror                         syntaxerror in PostScript program text

timeout                             time limit exceeded

typecheck                           operand of wrong type

undefined                           name not known

undefinedfilename                   file not found

undefinedresult                     over/underflow or meaningless result

unmatchedmark                       expected mark not on stack

unregistered                        internal error

VMerror                             VM exhausted

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