Checking the stack is empty at the end of the program

From	Cecil Westerhof <Cecil@decebal.nl>
Newsgroups	comp.lang.postscript
Subject	Checking the stack is empty at the end of the program
Organization	Decebal Computing
Date	2013-08-01 00:16 +0200
Message-ID	<874nba9xyd.fsf@Aspire.decebal.nl> (permalink)

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I would like to check that the stack is empty when a program is
finished. For this I made the following function:
    /endProgram {
        (end program) ==
        pstack
        (there should be nothing between (end program) en this line) ==
    } def

But this displays:
    (end program)
    (there should be nothing between \(end program\) en this line)

It is not a very big problem, but could I display:
    (end program)
    (there should be nothing between (end program) en this line)

-- 
Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof

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Checking the stack is empty at the end of the program Cecil Westerhof <Cecil@decebal.nl> - 2013-08-01 00:16 +0200
  Re: Checking the stack is empty at the end of the program luser- -droog <mijoryx@yahoo.com> - 2013-07-31 15:41 -0700
    Re: Checking the stack is empty at the end of the program Cecil Westerhof <Cecil@decebal.nl> - 2013-08-01 02:36 +0200
  Re: Checking the stack is empty at the end of the program Dan Coby <adcoby@earthlink.net> - 2013-07-31 18:36 -0700
    Re: Checking the stack is empty at the end of the program luser- -droog <mijoryx@yahoo.com> - 2013-07-31 23:53 -0700
      Re: Checking the stack is empty at the end of the program Cecil Westerhof <Cecil@decebal.nl> - 2013-08-01 10:41 +0200
        Re: Checking the stack is empty at the end of the program luser- -droog <mijoryx@yahoo.com> - 2013-08-01 02:37 -0700
          Re: Checking the stack is empty at the end of the program Cecil Westerhof <Cecil@decebal.nl> - 2013-08-01 12:40 +0200
            Re: Checking the stack is empty at the end of the program luser- -droog <mijoryx@yahoo.com> - 2013-08-01 03:53 -0700
              Re: Checking the stack is empty at the end of the program luser- -droog <mijoryx@yahoo.com> - 2013-08-01 03:56 -0700
                Re: Checking the stack is empty at the end of the program luser- -droog <mijoryx@yahoo.com> - 2013-08-01 04:23 -0700
                Re: Checking the stack is empty at the end of the program Cecil Westerhof <Cecil@decebal.nl> - 2013-08-01 15:45 +0200
              Re: Checking the stack is empty at the end of the program Cecil Westerhof <Cecil@decebal.nl> - 2013-08-01 13:18 +0200
                Re: Checking the stack is empty at the end of the program luser- -droog <mijoryx@yahoo.com> - 2013-08-01 09:33 -0700
                Re: Checking the stack is empty at the end of the program luser- -droog <mijoryx@yahoo.com> - 2013-08-01 18:25 -0700

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