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1.1 ! root 1: .TH PSI 9.1 ! 2: .CT 1 writing_output ! 3: .SH NAME ! 4: psi \- postscript interpreter ! 5: .SH SYNOPSIS ! 6: .B psi ! 7: [ ! 8: .I option ... ! 9: ] [ ! 10: .I file ! 11: ] ! 12: .SH DESCRIPTION ! 13: .I Psi ! 14: reads Postscript input from ! 15: .I file ! 16: or from standard input ! 17: and simulates the resulting pages in a ! 18: .IR mux (9.1) ! 19: layer. ! 20: The program remains in the layer at exit; further invocations of ! 21: .I psi ! 22: in that layer avoid download time. ! 23: .PP ! 24: The options are ! 25: .TP ! 26: .BI -p n ! 27: Display page ! 28: .I n. ! 29: .TP ! 30: .B -r ! 31: Display the image at full scale, with the bottom left ! 32: corner positioned at the bottom left corner of the window. ! 33: (By default, the image is scaled to fit the window, maintaining ! 34: the aspect ratio of a printer.) ! 35: .HP ! 36: .B -a ! 37: .I x y ! 38: .br ! 39: Display the image at full scale with position ! 40: .I x,y ! 41: of the image placed at the bottom left corner of the window. ! 42: .PP ! 43: .I Psi ! 44: works on either a Teletype 5620 or a Teletype 630 ! 45: as determined by the environment variable ! 46: .BR TERM . ! 47: .PP ! 48: Fonts are implemented with size-24 bitmap fonts. ! 49: Those available are ! 50: Symbol, Times-Roman, Times-Italic, Times-Bold, Helvetica, ! 51: Helvetica-Oblique, Helvetica-Bold. ! 52: .PP ! 53: When the `cherries' icon is displayed, use mouse button 3 ! 54: to move forward ! 55: .RB ( more ) ! 56: or quit ! 57: .RB ( done ). ! 58: Button 2 exits the program completely. ! 59: .SH EXAMPLES ! 60: .TP ! 61: .L ! 62: troff -ms memo | lp -dstdout -H | psi ! 63: .br ! 64: .ns ! 65: .TP ! 66: .L ! 67: troff -ms memo | dpost | psi ! 68: Two equivalent ways to format a memo, convert it to PostScript, ! 69: and display it. ! 70: .SH FILES ! 71: .TF psi.err ! 72: .TP ! 73: .F psi.err ! 74: error messages ! 75: .SH SEE ALSO ! 76: .IR lp (1), ! 77: .IR postscript (8), ! 78: .IR proof (9.1) ! 79: .SH DIAGNOSTICS ! 80: Error comments are placed on file ! 81: .FR psi.err . ! 82: .PP ! 83: Symbols that lack bitmaps are replaced by `?' ! 84: and an error is reported. ! 85: .SH BUGS ! 86: A psi layer imitates ! 87: .LR "term 33" , ! 88: not ! 89: .IR mux . ! 90: Among other difficulties, it will not be reusable if downloaded ! 91: across the network. ! 92: .br ! 93: Unimplemented PostScript features are rotated images or imagemasks, ! 94: half tone screens, multiple path clipping. ! 95: .br ! 96: The charpath operator does nothing since the characters are implemented ! 97: as bitmaps.
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