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Annotation of researchv10dc/man/manx/troff.5, revision 1.1

1.1     ! root        1: .TH TROFF 5
        !             2: .CT 1 writing_output
        !             3: .SH NAME
        !             4: troff \- device-independent output
        !             5: .SH DESCRIPTION
        !             6: .IR Troff (1)
        !             7: produces an ASCII representation of a typeset document,
        !             8: expressed in the following syntax.
        !             9: Strings inside
        !            10: .B [
        !            11: .B ]
        !            12: are optional.
        !            13: The string
        !            14: .B \en
        !            15: represents newline.
        !            16: White space (spaces or newlines) may occur
        !            17: between commands and is sometimes necessary to terminate numbers.
        !            18: .PP
        !            19: .TP
        !            20: .BI s n
        !            21: Set point size to
        !            22: .I n.
        !            23: .PD 0
        !            24: .TP
        !            25: .BI f n
        !            26: Use font in position 
        !            27: .I n.
        !            28: Normally fonts
        !            29: are mounted starting at position 1; 0 is reserved.
        !            30: .I troff.
        !            31: .TP
        !            32: .BI c x
        !            33: Place character
        !            34: .I x
        !            35: at the current location on the page;
        !            36: .I x
        !            37: is a single ASCII character.
        !            38: .TP
        !            39: .BI C name
        !            40: Place special character.
        !            41: The
        !            42: .I name
        !            43: of the character is delimited by white space.
        !            44: .TP
        !            45: .BI H n
        !            46: Go to horizontal location
        !            47: .I n,
        !            48: expressed in basic units.
        !            49: .TP
        !            50: .BI h n
        !            51: Add 
        !            52: .I n
        !            53: to the current horizontal location (relative goto).
        !            54: .TP
        !            55: .BI V n
        !            56: Go to vertical location
        !            57: .I n,
        !            58: measured positive downward.
        !            59: .TP
        !            60: .BI v n
        !            61: Add 
        !            62: .I n
        !            63: to the current vertical location.
        !            64: .TP
        !            65: .I nnx
        !            66: A two-digit number followed by an ASCII character; equivalent to
        !            67: .BI h nn c x.
        !            68: .TP
        !            69: .BI n b\ a
        !            70: End of line.
        !            71: No action is required;
        !            72: .I troff
        !            73: will explicitly reset the location.
        !            74: Number
        !            75: .IR b 
        !            76: is the amount of space before
        !            77: the line,
        !            78: .IR a ,
        !            79: the amount of space after the line.
        !            80: .TP
        !            81: .B w
        !            82: A
        !            83: .B w
        !            84: appears between words of the input document.
        !            85: No action is
        !            86: required.
        !            87: .TP
        !            88: .BI p n
        !            89: Begin a new page with page number
        !            90: .I n.
        !            91: The vertical location on the page becomes 0.
        !            92: .TP
        !            93: .BI # \ .... \en
        !            94: Comment.
        !            95: .TP
        !            96: .BI Dl " x y" \en
        !            97: Draw a line from the current location by
        !            98: .IR x , y .
        !            99: .TP 
        !           100: .BI Dc " d" \en
        !           101: Draw a circle of diameter
        !           102: .I d
        !           103: with the leftmost edge at the current location,
        !           104: .IR x , y .
        !           105: The current location becomes
        !           106: .IR x + d  , y .
        !           107: .TP
        !           108: .BI De " dx dy" \en
        !           109: Draw an ellipse with 
        !           110: .IR x -axis
        !           111: .I dx
        !           112: and
        !           113: .IR y -axis
        !           114: .I dy.
        !           115: The leftmost edge
        !           116: of the ellipse will be at the current location.
        !           117: The current location becomes
        !           118: .IR x + dx , y .
        !           119: .TP
        !           120: .BI Da " x y u v" \en
        !           121: Draw an arc counterclockwise from the current location to
        !           122: .IR x + u,
        !           123: .IR y + v,
        !           124: with center offset
        !           125: .IR x , y
        !           126: from the current location.
        !           127: The end of the arc becomes the current location.
        !           128: .TP
        !           129: .BI D~ " x y x y ..." \en
        !           130: Draw a spline curve (wiggly line) from the
        !           131: current location, moving by
        !           132: .I x,y
        !           133: each time.
        !           134: The end of the curve becomes the current location.
        !           135: .TP
        !           136: .B x\ i[nit]\en
        !           137: Initialize the typesetting device.
        !           138: The actions required depend on the device.
        !           139: .TP
        !           140: .BI x\ T \ dest \en
        !           141: The name of the typesetter is
        !           142: .IR dest ,
        !           143: as in  option
        !           144: .BR \-T 
        !           145: of
        !           146: .IR troff (1).
        !           147: .TP
        !           148: .BI "x r[es]" " n h v" \en
        !           149: The resolution of the typesetting device is
        !           150: .IR n 
        !           151: units per inch.
        !           152: Horizontal motions must be multiples of
        !           153: .I h
        !           154: units, vertical motions 
        !           155: .I v
        !           156: units.
        !           157: .TP
        !           158: .B x p[ause]\en
        !           159: Pause.
        !           160: Cause the current page to finish but do not relinquish the
        !           161: typesetter.
        !           162: .TP
        !           163: .B x s[top]\en
        !           164: Stop.
        !           165: Cause the current page to finish and then relinquish the typesetter.
        !           166: .TP
        !           167: .B x t[railer]\en
        !           168: Generate a trailer if necessary.
        !           169: .TP
        !           170: .BI "x f[ont]" " n name" \en
        !           171: Load font
        !           172: .I name
        !           173: into position
        !           174: .IR n .
        !           175: .TP
        !           176: .BI "x H[eight] "  n \en
        !           177: Set the character height to
        !           178: .I n
        !           179: points.
        !           180: This causes the letters
        !           181: to be elongated or shortened.
        !           182: It does not affect the width
        !           183: of a letter.
        !           184: Not all typesetters can do this.
        !           185: .TP
        !           186: .BI "x S[lant] " n \en
        !           187: Set the slant to
        !           188: .I n
        !           189: degrees, if possible.
        !           190: .TP
        !           191: .BI x "..." \en
        !           192: Arbitrary;  may be used for device-specific functions.
        !           193: .SH SEE ALSO
        !           194: .IR troff (1),
        !           195: .IR d202 (1),
        !           196: .IR apsend (1),
        !           197: .IR lp (1),
        !           198: .IR proof (9.1)
        !           199: .br
        !           200: B. W. Kernighan,
        !           201: .I "A Typesetter-Independent Troff
        !           202: this manual, volume 2.

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