221 lines
6 KiB
PostScript
221 lines
6 KiB
PostScript
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%!
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% Copyright (C) 1997 Aladdin Enterprises. All rights reserved
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%
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% This software is provided AS-IS with no warranty, either express or
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% implied.
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%
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% This software is distributed under license and may not be copied,
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% modified or distributed except as expressly authorized under the terms
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% of the license contained in the file LICENSE in this distribution.
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%
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% For more information about licensing, please refer to
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% http://www.ghostscript.com/licensing/. For information on
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% commercial licensing, go to http://www.artifex.com/licensing/ or
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% contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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% San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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% $Id: uninfo.ps,v 1.4 2002/02/21 21:49:28 giles Exp $
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% uninfo.ps: Utilities for "printing" PostScript items, especially dictionaries
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% Usage:
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% (prefix-string) dict unprint
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% Maximum Print-Width
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/HSpwidth 80 def
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% any HScvs string
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/HScvs {
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% Number-Syntax
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dup type % stack: any /anytype
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dup /integertype eq 1 index /realtype eq or { pop
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16 string cvs
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}{
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% Logical-Type
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dup /booleantype eq { pop
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5 string cvs
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}{
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% Identifiers
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dup /nametype eq { pop
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dup length 1 add string
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dup 0 (/) putinterval
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exch 1 index 1 1 index length 1 sub getinterval cvs pop
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}{
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% Strings
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dup /stringtype eq { pop
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% ------- Compute Length
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2 1 index { % stack: str len item
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dup 32 lt 1 index 126 gt or { % need 4
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pop 4 add
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}{
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dup 40 eq 1 index 41 eq or 1 index 92 eq or {
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pop 2 add
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}{
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pop 1 add
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} ifelse
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} ifelse
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} forall
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% ------- Allocate & Fill String
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string dup 0 (\() putinterval 1
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3 -1 roll { % outstr pos item
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dup 32 lt 1 index 126 gt or {
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dup 7 le {
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2 index 2 index (\\00) putinterval
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8 3 index 3 index 3 add 1 getinterval cvrs
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}{
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dup 63 le {
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2 index 2 index (\\0) putinterval
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8 3 index 3 index 2 add 2 getinterval cvrs
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}{
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2 index 2 index (\\) putinterval
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8 3 index 3 index 1 add 3 getinterval cvrs
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} ifelse
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} ifelse
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pop 4 add
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}{
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dup 40 eq 1 index 41 eq or 1 index 92 eq or {
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2 index 2 index (\\) putinterval
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exch 1 add exch
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} if
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2 index exch 2 index exch put
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1 add
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} ifelse
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} forall
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1 index exch (\)) putinterval
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}{ exch pop
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dup length 1 add string
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dup 0 (-) putinterval
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exch 1 index 1 1 index length 1 sub getinterval cvs pop
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dup dup length 4 sub (-) putinterval
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0 1 index length 3 sub getinterval
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} ifelse
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} ifelse
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} ifelse
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} ifelse
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} bind def
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% int HSpindent - indent-spaces
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/HSpindent {
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dup 0 gt {
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1 1 3 -1 roll { pop ( ) print } for
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}{
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pop
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} ifelse
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} bind def
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% indent array HSaprint -> Print an Array
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/HSaprint {
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dup type /arraytype eq {
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( [) print
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exch 1 add dup 1 add
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3 -1 roll { % rind pos item
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HScvs dup length % rind pos str len
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dup 3 index add HSpwidth ge {
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(\n) print
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3 index HSpindent
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3 -1 roll pop
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2 index add
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exch
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}{
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( ) print
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2 index add 1 add
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3 -1 roll pop
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exch
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} ifelse
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print
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} forall
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( ]) print
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pop pop
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}{
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( ) print
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HScvs print pop
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} ifelse
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(\n) print
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} bind def
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% dict HSdnames dict names (creates sorted name-strings)
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/HSdnames {
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% Build namelist, stack: dic
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dup length 0 eq {
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[]
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}{
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[ 1 index {
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pop dup type /nametype eq {
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dup length string cvs
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}{
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pop
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} ifelse
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} forall
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]
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% Sort the namelist, stack: dic nam
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0 1 2 index length 2 sub { % stack: dic nam I
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2 copy get % stack: pre dic nam I nam[I]
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1 index 1 add 1 4 index length 1 sub { % stack: dic nam I nam[I] J
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3 index 1 index get % dic nam I S[I] J S[J]
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2 index 1 index gt { % swap them
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4 index 2 index 4 index put
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4 index 4 index 2 index put
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3 1 roll
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} if
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pop pop
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} for
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pop pop
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} for
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} ifelse
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} bind def
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% string:prefix dict:which unprint
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/unprint {
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HSdnames % pre dic nam
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% compute the maximum length
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0 1 index { % pre dic nam maxlen nam[I]
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length 2 copy lt { exch } if pop
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} forall
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% Print out all the items, stack: pre dic nam maxlen
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(\n) print
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exch { % pre dic maxlen nam[I]
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% no prefix yet, -> flush right
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3 index length 0 eq {
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dup length 2 index exch sub HSpindent
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}{
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3 index print (/) print
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} ifelse
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% print the name
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dup print
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% prefix: fill up with blanks
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3 index length 0 ne {
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dup length 2 index exch sub HSpindent
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} if
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% now print the item itself, stack: pre dic maxlen nam[I]
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2 index 1 index cvn get dup type % stack: pre dic maxlen nam[i] item typ
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% Dict-Syntax
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dup /dicttype eq { pop % stack: pre dic maxlen nam[i] item
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( ) print dup HScvs print
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4 index length 0 eq { % brand new prefix
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2 index string 0 1 5 index 1 sub { 1 index exch 32 put } for
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dup 4 index 4 index length sub 5 -1 roll putinterval
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}{
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4 index length 1 add 2 index length add string
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dup 0 7 index putinterval
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dup 6 index length (/) putinterval
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dup 6 index length 1 add 5 -1 roll putinterval
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} ifelse
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exch unprint
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}{
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3 -1 roll pop % tack: pre dic maxlen item typ
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% Array-Syntax
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dup /arraytype eq { pop % stack: pre dic maxlen item
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3 index length dup 0 ne { 1 add } if 2 index add
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exch HSaprint
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}{ pop
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( ) print
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HScvs print
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(\n) print
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} ifelse
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} ifelse
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} forall
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pop pop length -1 eq { (\n) print } if
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} bind def
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/currentpagedevice where { % check for currentpagedevice
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/currentpagedevice get exec () exch unprint
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} if
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