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1.1 ! root 1: .TH PROOF 1 ! 2: .SH NAME ! 3: proof \- troff output interpreter ! 4: .SH SYNOPSIS ! 5: .B proof ! 6: [ ! 7: .BI -m mag ! 8: ] ! 9: [ ! 10: .BI -/ nview ! 11: ] ! 12: [ ! 13: .B -F ! 14: .I dir ! 15: ] ! 16: [ ! 17: .B -d ! 18: ] ! 19: [ ! 20: .I file ! 21: ] ! 22: .SH DESCRIPTION ! 23: .I Proof ! 24: reads ! 25: .IR troff (1) ! 26: intermediate language from ! 27: .I file ! 28: or standard input ! 29: and simulates the resulting pages on the screen. ! 30: .PP ! 31: After a page of text is displayed, ! 32: .I proof ! 33: pauses for a command from the keyboard. ! 34: The typed commands are: ! 35: .TP \w'newline\ \ \ 'u ! 36: newline ! 37: Go on to next page of text. ! 38: .TP ! 39: .B - ! 40: Go back to the previous page. ! 41: .TP ! 42: .B q ! 43: Quit. ! 44: .TP ! 45: .BI p n ! 46: Print page ! 47: .IR n . ! 48: An out-of-bounds page number means the end nearer to that number; ! 49: a missing number means the current page; ! 50: a signed number means an offset to the current page. ! 51: .TP ! 52: .I n ! 53: Same as ! 54: .BI p n\f1. ! 55: .TP ! 56: .B c ! 57: Clear the screen, then wait for another command. ! 58: .TP ! 59: .BI m mag ! 60: Change the magnification at which the output is printed. ! 61: Normally it is printed with magnification .9; ! 62: .IR mag "=.5" ! 63: shrinks it to half size; ! 64: .IR mag "=2" ! 65: doubles the size. ! 66: .TP ! 67: .BI x val ! 68: Move everything ! 69: .I val ! 70: screen pixels to the right (left, if ! 71: .I val ! 72: is negative). ! 73: .TP ! 74: .BI y val ! 75: Move everything ! 76: .I val ! 77: screen pixels down (up, if ! 78: .I val ! 79: is negative). ! 80: .TP ! 81: .BI / nview ! 82: Split the window into ! 83: .I nview ! 84: pieces. The current page goes into the rightmost, bottommost piece, ! 85: and previous pages are shown in the other pieces. ! 86: .TP ! 87: .BI "-F " dir ! 88: Use ! 89: .I dir ! 90: for fonts instead of ! 91: .BR /lib/font/bit . ! 92: .TP ! 93: .B d ! 94: Toggle the debug flag. ! 95: .PD ! 96: .PP ! 97: These commands are also available, under slightly different form, ! 98: from a menu on button 3. The ! 99: .B pan ! 100: menu item allows arbitrary positioning of the page: ! 101: after selecting ! 102: .BR pan , ! 103: press the mouse button again and hold it down while moving ! 104: the page to the desired location. The page will be redisplayed ! 105: in its entirety when the button is released. ! 106: .PP ! 107: The ! 108: .BR m , ! 109: .BR x , ! 110: .BR y , ! 111: .BR F , ! 112: .BR / , ! 113: and ! 114: .B d ! 115: commands are also available as command line options. ! 116: .SH FILES ! 117: .TF /lib/font/bit/MAP ! 118: .TP ! 119: .B /lib/font/bit/* ! 120: fonts ! 121: .TP ! 122: .B /lib/font/bit/MAP ! 123: how to convert troff output fonts and character names ! 124: into screen fonts and character numbers ! 125: .SH SOURCE ! 126: .B /sys/src/cmd/proof ! 127: .SH SEE ALSO ! 128: .IR lp (1), ! 129: .IR gs (1) ! 130: .br ! 131: J. F. Ossanna and B. W. Kernighan, ! 132: ``Troff User's Manual''
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