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%% This PostScript file centers the page on an A4 paper and draws a
%% crop marks. dvips is assumed.

%% DEBUG 
%% /mydict 20 dict def mydict begin

%% Millimeter to postscript points:

/mm{ 25.4 div 72 mul }def


%% The size of the retangle is:

/papw 172 mm def
/paph 232 mm def

%% The text area size is:

%%/txtw{131 mm}def
%%/txth{285 mm}def


%% A4 size is:

/A4w 209 mm def
/A4h 296 mm def

%% Draw crop marks

/mkcrop{
	0.3 setlinewidth
	0 0 mkonecrop
	papw 0 mkonecrop
	0 paph mkonecrop
	papw paph mkonecrop
} def

/mkonecrop{gsave
	translate
	newpath
	0 18 moveto
	0 -18 lineto
	stroke
	newpath
	-18 0 moveto
	18 0 lineto
	stroke
	grestore } def

%% Draw a frame

/mkframe{
	gsave
	0 A4h paph sub moveto
	papw 0 rlineto
	0 paph rlineto
	papw neg 0 rlineto
	0 paph neg rlineto  
	stroke
	grestore
} def

/mkmarks{mk@MARKS@} def
	
/mkinfo{ gsave
	 72 68 moveto (Book: @BOOK@) show
	 72 60 moveto (Generated by dvips: @DATE@) show
	 72 52 moveto (Config spec: @CSFILE@) show
	 72 44 moveto (View: @VIEW@) show
	 72 36 moveto (User: @USER@) show
	 72 28 moveto (Latex: @LATEX@) show
	 72 20 moveto (@DOCBVSN@ @DOCB@) show
	 72 12 moveto (@DVIPSVSN@ @DVIPS@) show
	 288 68 moveto (Book build: @BOOKBUILD@) show
	 288 60 moveto (Build script: @BUILDSCRIPT@) show
	 grestore
} def


%% Beginning-of-page hook (the thing called by dvips):

/bop-hook{
	gsave
	/Helvetica findfont 7 scalefont setfont
	gsave
	A4w papw sub 2 div
	A4h paph sub 2 div neg
	translate
	mkmarks
	grestore
	mkinfo
	grestore
} def

%% DEBUG
%%/bop-hook
%%showpage
%%end