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% Version 3.3.2 prologue for troff files.
%

/#copies 1 store
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/R  /Times-Roman def
/I  /Times-Italic def
/B  /Times-Bold def
/BI /Times-BoldItalic def
/H  /Helvetica def
/HI /Helvetica-Oblique def
/HB /Helvetica-Bold def
/HX /Helvetica-BoldOblique def
/CW /Courier def
/CO /Courier def
/CI /Courier-Oblique def
/CB /Courier-Bold def
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/PA /Palatino-Roman def
/PI /Palatino-Italic def
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/Hr /Helvetica-Narrow def
/Hi /Helvetica-Narrow-Oblique def
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/KR /Bookman-Light def
/KI /Bookman-LightItalic def
/KB /Bookman-Demi def
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/AR /AvantGarde-Book def
/AI /AvantGarde-BookOblique def
/AB /AvantGarde-Demi def
/AX /AvantGarde-DemiOblique def
/NR /NewCenturySchlbk-Roman def
/NI /NewCenturySchlbk-Italic def
/NB /NewCenturySchlbk-Bold def
/NX /NewCenturySchlbk-BoldItalic def
/ZD /ZapfDingbats def
/ZI /ZapfChancery-MediumItalic def
/S  /S def
/S1 /S1 def
/GR /Symbol def

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/setup {
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	pagedimensions
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	orientation rotation mul rotate
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	margin 2 div dup neg translate
	magnification dup aspectratio mul scale
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	addmetrics
	0 0 moveto
} def

/pagedimensions {
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		/pagebbox [clippath pathbbox newpath] def
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/addmetrics {
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/decodingdefs [
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/setdecoding {/t decodingdefs 3 -1 roll get bind def} bind def

/w {neg moveto show} bind def
/m {neg dup /y exch def moveto} bind def
/done {/lastpage where {pop lastpage} if} def

/f {
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/changefont {
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	currentfont [
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/sf {f} bind def

/cf {
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	findfont dup length 1 add dict
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	newdict /Metrics entries dict put
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%
% A few arrays used to adjust reference points and character widths in some
% of the printer resident fonts. If square roots are too high try changing
% the lines describing /radical and /radicalex to,
%
%	/radical	[0 -75 550 0]
%	/radicalex	[-50 -75 500 0]
%
% Move braceleftbt a bit - default PostScript character is off a bit.
%

/Sdefs [
	/bracketlefttp		[201 500]
	/bracketleftbt		[201 500]
	/bracketrighttp		[-81 380]
	/bracketrightbt		[-83 380]
	/braceleftbt		[203 490]
	/bracketrightex		[220 -125 500 0]
	/radical		[0 0 550 0]
	/radicalex		[-50 0 500 0]
	/parenleftex		[-20 -170 0 0]
	/integral		[100 -50 500 0]
	/infinity		[10 -75 730 0]
] def

/S1defs [
	/underscore		[0 80 500 0]
	/endash			[7 90 650 0]
] def
%
% Tries to round clipping path dimensions, as stored in array pagebbox, so they
% match one of the known sizes in the papersizes array. Lower left coordinates
% are always set to 0.
%

/roundpagebbox {
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	/papersizes [8.5 inch 11 inch 14 inch 17 inch] def

	/mappapersize {
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		0 1 papersizes length 1 sub {
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			dup diff le {/diff exch def /j i def} {pop} ifelse
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	pagebbox 0 0 put
	pagebbox 1 0 put
	pagebbox dup 2 get mappapersize 2 exch put
	pagebbox dup 3 get mappapersize 3 exch put
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} bind def

%%EndProlog
%%BeginSetup
mark
%
% Encoding vector and redefinition of findfont for the ISO Latin1 standard.
% The 18 characters missing from ROM based fonts on older printers are noted
% below.
%

/ISOLatin1Encoding [
	/.notdef
	/.notdef
	/.notdef
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	/.notdef
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	/one
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	/A
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	/J
	/K
	/L
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	/U
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	/X
	/Y
	/Z
	/bracketleft
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	/a
	/b
	/c
	/d
	/e
	/f
	/g
	/h
	/i
	/j
	/k
	/l
	/m
	/n
	/o
	/p
	/q
	/r
	/s
	/t
	/u
	/v
	/w
	/x
	/y
	/z
	/braceleft
	/bar
	/braceright
	/asciitilde
	/.notdef
	/.notdef
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	/.notdef
	/.notdef
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	/dotlessi
	/grave
	/acute
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	/tilde
	/macron
	/breve
	/dotaccent
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	/ring
	/cedilla
	/.notdef
	/hungarumlaut
	/ogonek
	/caron
	/space
	/exclamdown
	/cent
	/sterling
	/currency
	/yen
	/brokenbar		% missing
	/section
	/dieresis
	/copyright
	/ordfeminine
	/guillemotleft
	/logicalnot
	/hyphen
	/registered
	/macron
	/degree			% missing
	/plusminus		% missing
	/twosuperior		% missing
	/threesuperior		% missing
	/acute
	/mu			% missing
	/paragraph
	/periodcentered
	/cedilla
	/onesuperior		% missing
	/ordmasculine
	/guillemotright
	/onequarter		% missing
	/onehalf		% missing
	/threequarters		% missing
	/questiondown
	/Agrave
	/Aacute
	/Acircumflex
	/Atilde
	/Adieresis
	/Aring
	/AE
	/Ccedilla
	/Egrave
	/Eacute
	/Ecircumflex
	/Edieresis
	/Igrave
	/Iacute
	/Icircumflex
	/Idieresis
	/Eth			% missing
	/Ntilde
	/Ograve
	/Oacute
	/Ocircumflex
	/Otilde
	/Odieresis
	/multiply		% missing
	/Oslash
	/Ugrave
	/Uacute
	/Ucircumflex
	/Udieresis
	/Yacute			% missing
	/Thorn			% missing
	/germandbls
	/agrave
	/aacute
	/acircumflex
	/atilde
	/adieresis
	/aring
	/ae
	/ccedilla
	/egrave
	/eacute
	/ecircumflex
	/edieresis
	/igrave
	/iacute
	/icircumflex
	/idieresis
	/eth			% missing
	/ntilde
	/ograve
	/oacute
	/ocircumflex
	/otilde
	/odieresis
	/divide			% missing
	/oslash
	/ugrave
	/uacute
	/ucircumflex
	/udieresis
	/yacute			% missing
	/thorn			% missing
	/ydieresis
] def

/NewFontDirectory FontDirectory maxlength dict def

%
% Apparently no guarantee findfont is defined in systemdict so the obvious
%
%	systemdict /findfont get exec
%
% can generate an error. So far the only exception is a VT600 (version 48.0).
%

userdict /@RealFindfont known not {
	userdict begin
		/@RealFindfont systemdict begin /findfont load end def
	end
} if

/findfont {
	dup NewFontDirectory exch known not {
		dup
		%dup systemdict /findfont get exec	% not always in systemdict
		dup userdict /@RealFindfont get exec
		dup /Encoding get StandardEncoding eq {
			dup length dict begin
				{1 index /FID ne {def}{pop pop} ifelse} forall
				/Encoding ISOLatin1Encoding def
				currentdict
			end
			/DummyFontName exch definefont
		} if
		NewFontDirectory 3 1 roll put
	} if
	NewFontDirectory exch get
} bind def

setup
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(User) 2960 1230 w
(Manual) 3229 1230 w
10 /Times-Bold f
(pamdeinterlace) 720 1920 w
10 /Times-Roman f
(Updated: 11 November 2001) 720 2076 w
(Table Of Contents) 720 2196 w
10 /Times-Bold f
(NAME) 720 2436 w
10 /Times-Roman f
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10 /Times-Bold f
(SYNOPSIS) 720 2832 w
(pamdeinterlace) 720 2988 w
10 /Times-Roman f
([) 1405 2988 w
10 /Times-Bold f
(\255takeodd) 1438 2988 w
10 /Times-Roman f
(] [) 1816 2988 w
10 /Times-Bold f
(\255takeeven) 1907 2988 w
10 /Times-Roman f
(] [) 2317 2988 w
10 /Times-Italic f
(infile) 2408 2988 w
10 /Times-Roman f
(]) 2614 2988 w
(You) 720 3144 w
(can) 926 3144 w
(use) 1098 3144 w
(the) 1265 3144 w
(minimum) 1421 3144 w
(unique) 1845 3144 w
(abbreviation) 2151 3144 w
(of) 2684 3144 w
(the) 2801 3144 w
(options.) 2957 3144 w
(You) 3336 3144 w
(can) 3542 3144 w
(use) 3714 3144 w
(two) 3882 3144 w
(hyphens) 4067 3144 w
(instead) 4435 3144 w
(of) 4753 3144 w
(one.) 4871 3144 w
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10 /Times-Bold f
(DESCRIPTION) 720 3504 w
10 /Times-Roman f
(This program is part of Netpbm.) 720 3696 w
10 /Times-Bold f
(pamdeinterlace) 720 3852 w
10 /Times-Roman f
(removes) 1424 3852 w
(all) 1806 3852 w
(the) 1950 3852 w
(even\255numbered) 2117 3852 w
(or) 2782 3852 w
(odd\255numbered) 2910 3852 w
(rows) 3537 3852 w
(from) 3776 3852 w
(the) 4015 3852 w
(input) 4182 3852 w
(PNM) 4433 3852 w
(or) 4695 3852 w
(PAM) 4823 3852 w
(image.) 720 3972 w
(Specify which with the) 1039 3972 w
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(\255takeeven) 1988 3972 w
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(and) 2423 3972 w
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(options.) 2995 3972 w
(This) 720 4128 w
(can) 929 4128 w
(be) 1098 4128 w
(useful) 1223 4128 w
(if) 1498 4128 w
(the) 1590 4128 w
(image) 1743 4128 w
(is) 2019 4128 w
(a) 2118 4128 w
(video) 2194 4128 w
(capture) 2448 4128 w
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(an) 2999 4128 w
(interlaced) 3125 4128 w
(video) 3550 4128 w
(source.) 3804 4128 w
(In) 4146 4128 w
(that) 4261 4128 w
(case,) 4443 4128 w
(each) 4671 4128 w
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(shows) 720 4248 w
(the) 1002 4248 w
(subject) 1156 4248 w
(1/60) 1471 4248 w
(second) 1681 4248 w
(before) 1990 4248 w
(or) 2276 4248 w
(after) 2391 4248 w
(the) 2605 4248 w
(two) 2759 4248 w
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(that) 3167 4248 w
(surround) 3348 4248 w
(it.) 3734 4248 w
(If) 3871 4248 w
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(is) 4435 4248 w
(moving,) 4533 4248 w
(this) 4895 4248 w
(can detract from the quality of the image.) 720 4368 w
(Because) 720 4524 w
(the) 1080 4524 w
(resulting) 1231 4524 w
(image) 1610 4524 w
(is) 1883 4524 w
(half) 1979 4524 w
(the) 2163 4524 w
(height) 2314 4524 w
(of) 2593 4524 w
(the) 2705 4524 w
(input) 2856 4524 w
(image,) 3091 4524 w
(you) 3389 4524 w
(will) 3568 4524 w
(then) 3753 4524 w
(want) 3954 4524 w
(to) 4177 4524 w
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10 /Times-Bold f
(pamstretch) 4446 4524 w
10 /Times-Roman f
(or) 4957 4524 w
10 /Times-Bold f
(pamscale) 720 4644 w
10 /Times-Roman f
(to restore it to its normal height:) 1139 4644 w
10 /Courier f
(pamdeinterlace myimage.ppm | pamstretch \255yscale=2 >newimage.ppm) 720 4824 w
10 /Times-Roman f
(Another, usually better, way to deinterlace an image is with) 720 5040 w
10 /Times-Bold f
(pammixinterlace) 3127 5040 w
10 /Times-Roman f
(.) 3848 5040 w
10 /Times-Bold f
(OPTIONS) 720 5280 w
(\255takeodd) 970 5472 w
10 /Times-Roman f
(Take the odd\255numbered) 1348 5472 w
(rows) 2327 5472 w
(from) 2547 5472 w
(the) 2767 5472 w
(input) 2915 5472 w
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(\255takeeven) 1889 5712 w
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(and) 2324 5712 w
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(\255takeodd) 2493 5712 w
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(.) 2871 5712 w
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(\255takeeven) 970 5868 w
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(the) 1616 5868 w
(even\255numbered) 1775 5868 w
(rows) 2432 5868 w
(from) 2663 5868 w
(the) 2894 5868 w
(input) 3053 5868 w
(and) 3296 5868 w
(put) 3477 5868 w
(them) 3642 5868 w
(in) 3879 5868 w
(the) 3994 5868 w
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10 /LucidaSansUnicode22 f
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done
%%DocumentFonts: Times-Roman LucidaSansUnicode22 Times-Italic Times-Bold Courier S1
%%Pages: 2