MATCHDELIM

        Match open/close delimiters in a string.

        text/strings

        position = matchdelim( strn, [openpos])

        strn        -- a string containing an open                 in
                       delimiter (e.g. '{') in which you
                       want to find the matching closing
                       delimiter (e.g. '}')

        OPEN_DELIM  -- A single character containing the opening   in
                       delimiter (e.g. '(').  Default is '{'
        CLOSE_DELIM -- A single character containing the closing   in
                       delimiter (e.g. ')').  Default is '}'

        position -- returns the position in strn of the            out
                    closing delimiter, -1 if no closing found.
        openpos  -- Set to a named variable to receive the         out
                    position of the first opening delimiter.
                    Optional.

        - Any pair of (nonidentical) characters can be used as
          delimiters.

        matchdelim('{one{two}}three') returns 9, the character just
        before 'three'.

       $Id: matchdelim.pro,v 1.3 1996/06/14 20:00:27 mcraig Exp $
       $Log: matchdelim.pro,v $
       Revision 1.3  1996/06/14 20:00:27  mcraig
       Updated Copyright info.
       Revision 1.2  1996/05/09 00:22:17  mcraig
       Removed restriction that open delim must be first char.  Added argument
       to allow for return of position of open delim.
       Revision 1.1  1996/01/31 18:41:06  mcraig
       Initial revision

       $Name: Rel_2_1_2 $

  Copyright (C) 1996 The Regents of the University of California, All
  Rights Reserved.  Written by Matthew W. Craig.
  See the file COPYRIGHT for restrictions on distrubting this code.
  This code comes with absolutely NO warranty; see DISCLAIMER for details.

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