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Annotation of researchv10dc/vol2/tbl/tbl.ms, revision 1.1

1.1     ! root        1: .so ../ADM/mac
        !             2: .XX tbl 35 "Tbl \(em A Program to Format Tables"
        !             3: .nr zz \n(%#u-1u
        !             4: ....if \nM=0 .RP
        !             5: ....TM 76-1274-5 39199 39199-11
        !             6: .if \n(tm>0 .ND June 11, 1976*
        !             7: .TL
        !             8: Tbl \(em A Program to Format Tables\(dg
        !             9: .AU "MH 2C-569" 6377
        !            10: L. L. Cherry
        !            11: M. E. Lesk
        !            12: .AI
        !            13: .MH
        !            14: .AB
        !            15: .I Tbl
        !            16: is a document formatting preprocessor for
        !            17: .I troff
        !            18: or
        !            19: .I nroff
        !            20: which makes
        !            21: even
        !            22: fairly complex tables easy to specify and enter.
        !            23: Tables are made up of columns which may be independently centered, right-adjusted,
        !            24: left-adjusted, or aligned by decimal points.
        !            25: Headings may be placed over single columns or groups of columns.
        !            26: A table entry may contain equations, or may consist of several rows of text.
        !            27: Horizontal or vertical lines may be drawn as desired
        !            28: in the table,
        !            29: and any table or element may be enclosed in a box.
        !            30: For example:
        !            31: .TS
        !            32: center, box;
        !            33: c  s  s  s
        !            34: c  s  s  s
        !            35: c |c |c |c
        !            36: c |cp-2 |c |c
        !            37: l |n |n |n.
        !            38: U. S. Energy Production/Consumption
        !            39: \s-2(in quadrillion Btu)\s0
        !            40: =
        !            41: Year   Production      Consumption     Net
        !            42: \^     all sources             \^
        !            43: _
        !            44: 1953   36.77   36.27   +0.51
        !            45: 1958   38.81   40.35   \-1.54
        !            46: 1963   45.85   48.32   \-2.47
        !            47: 1968   56.81   61.00   \-4.19
        !            48: 1973   62.06   74.28   \-12.22
        !            49: 1978   61.01   78.09   \-17.08
        !            50: 1983   61.19   70.05   \-8.86
        !            51: 1987   64.55   76.01   \-11.46
        !            52: .TE
        !            53: .AE
        !            54: .tr ~ 
        !            55: .de e1
        !            56: .nr \\$1 \\$2
        !            57: ..
        !            58: .de e2
        !            59: .\".if !\\n(\\$1=\\n% .tm Error in example \\$1: referred to page \\n(\\$1, is on page \\n%
        !            60: .Tm Example \\$1 \\n(\\$1
        !            61: .rr \\$1
        !            62: ..
        !            63: .di qq
        !            64: .EQ
        !            65: delim $$
        !            66: .EN
        !            67: .di
        !            68: .rm qq
        !            69: .2C
        !            70: .FS
        !            71: \(dgThis is a version of |reference(v7tbl) revised by Lorinda Cherry.
        !            72: .FE
        !            73: .NH
        !            74: Introduction.
        !            75: .PP
        !            76: .I Tbl
        !            77: turns a simple description
        !            78: of a table into a
        !            79: .I troff
        !            80: or
        !            81: .I nroff |reference(latest troff reference)
        !            82: program (list of commands) that prints the table.
        !            83: It
        !            84: attempts to isolate a portion of a job that it can
        !            85: successfully
        !            86: handle and leave the remainder for other programs.
        !            87: Thus
        !            88: .I tbl
        !            89: may be used with the equation formatting
        !            90: program
        !            91: .I eqn |reference(latest eqn)
        !            92: or various
        !            93: layout macro packages |reference(latest msmacros)|reference(lesk kernighan typesetting)|reference(mashey smith documentation),
        !            94: but does not duplicate their functions.
        !            95: .PP
        !            96: This memorandum is divided into two parts.
        !            97: First we give the rules for preparing
        !            98: .I tbl
        !            99: input; then some examples are shown.
        !           100: The description of rules is precise but technical, and
        !           101: the beginning user may prefer to read the examples first,
        !           102: as they show some common table arrangements.
        !           103: A section explaining how to invoke
        !           104: .I tbl
        !           105: precedes the examples.
        !           106: To avoid repetition, henceforth read
        !           107: .I troff
        !           108: as
        !           109: .I
        !           110: ``troff
        !           111: .R
        !           112: or
        !           113: .I
        !           114: nroff.''
        !           115: .R
        !           116: .ds . \^\s14.\s0
        !           117: .PP
        !           118: The input to
        !           119: .I
        !           120: tbl
        !           121: .R
        !           122: is text for a document, with tables preceded by a ``\f(CW.TS\fP''
        !           123: (table start)
        !           124: command and followed by a ``\f(CW.TE\fP''
        !           125: (table end) command.
        !           126: .I Tbl
        !           127: processes the tables, generating
        !           128: .I troff
        !           129: formatting commands,
        !           130: and leaves the remainder of the text unchanged.
        !           131: The
        !           132: .CW .TS
        !           133: and
        !           134: .CW .TE
        !           135: lines are copied, too, so that
        !           136: .I troff
        !           137: page layout macros
        !           138: (such as the memo formatting macros|reference(latest msmacros)) can use these lines
        !           139: to delimit and place tables as they see fit.
        !           140: In particular, any arguments on the
        !           141: .CW .TS
        !           142: or
        !           143: .CW .TE
        !           144: lines
        !           145: are copied but otherwise ignored, and may be used by document layout
        !           146: macro commands.
        !           147: .PP
        !           148: The format of the input is as follows:
        !           149: .DS
        !           150: \&text
        !           151: .CW .TS
        !           152: \&\fItable\fR
        !           153: .CW .TE
        !           154: \&text
        !           155: .CW .TS
        !           156: \&\fItable\fR
        !           157: .CW .TE
        !           158: \&text
        !           159: \&\&\*. \*. \*.
        !           160: .DE
        !           161: where the format of each table is as follows:
        !           162: .DS
        !           163: .CW .TS
        !           164: \fIoptions \f(CW;\fR
        !           165: \fIformat \f(CW.\fP
        !           166: data
        !           167: .CW .TE
        !           168: .DE
        !           169: .R
        !           170: Each table is independent, and must contain formatting
        !           171: information
        !           172: followed by the data to be entered in the table.
        !           173: The formatting information, which describes the
        !           174: individual columns and rows of the table, may be preceded
        !           175: by a few options that affect the entire table.
        !           176: A detailed description of tables is given in the next section.
        !           177: .NH
        !           178: Input commands.
        !           179: .PP
        !           180: As indicated above, a table contains, first, global options,
        !           181: then a format section describing the layout of the table
        !           182: entries, and then the data to be printed.  The format and data
        !           183: are always required, but not the options.
        !           184: The various parts of the table are entered as follows:
        !           185: .NH 2
        !           186: Options
        !           187: .PP
        !           188: There may be a single line of options
        !           189: affecting the whole table.
        !           190: If present, this line must follow the
        !           191: .CW .TS
        !           192: line immediately
        !           193: and must contain a list of option names
        !           194: separated by spaces, tabs, or commas, and must be terminated by a semicolon.
        !           195: The allowable options are:
        !           196: .IP \f(CW~~center\fR 15
        !           197: center the table (default is left-adjust);
        !           198: .IP \f(CW~~expand\fR
        !           199: make the table as wide as the current line length;
        !           200: .IP \f(CW~~box\fR
        !           201: enclose the table in a box;
        !           202: .IP \f(CW~~allbox\fR
        !           203: enclose each item in the table in a box;
        !           204: .IP \f(CW~~doublebox\fR
        !           205: enclose the table in two boxes;
        !           206: .Tm tab        S
        !           207: .IP \f(CW~~tab~\fR(\fIx\fR\^)
        !           208: use \fIx\fR instead of tab to separate data items.
        !           209: .IP \f(CW~~linesize(\fIn\fP)\fR
        !           210: set lines or rules (e.g. from \f(CWbox\fR\^) in \fIn\fR point type;
        !           211: .Tm delim      S
        !           212: .IP \f(CW~~delim(\fIxy\fP)\fR
        !           213: recognize \fIx\fR and \fIy\fR as the \fIeqn\fR delimiters.
        !           214: .PP
        !           215: .I Tbl
        !           216: tries to keep boxed tables on one page by issuing
        !           217: appropriate
        !           218: .I troff
        !           219: \&``need''
        !           220: .CW .ne ) (
        !           221: commands.
        !           222: These requests are calculated from the number of lines in the tables,
        !           223: and if there are spacing commands embedded in the input, these requests may be inaccurate;
        !           224: use normal
        !           225: .I troff
        !           226: procedures, such as keep-release macros, in that case.
        !           227: The user who must have a multi-page boxed table
        !           228: should use macros designed for this purpose,
        !           229: as explained below under `Usage.'
        !           230: .NH 2
        !           231: Format
        !           232: .PP
        !           233: The format section of the table specifies the layout
        !           234: of the columns.
        !           235: Each line in this section corresponds to one line
        !           236: of the table (except that the last line corresponds to all following
        !           237: lines up to the next
        !           238: .CW .T& ,
        !           239: if any \(em see below),
        !           240: and each line contains a key-letter for each column
        !           241: of the table.
        !           242: It is good practice to separate the key letters for each
        !           243: column by spaces or tabs.
        !           244: Each key-letter is one of the following:
        !           245: .cs B 25
        !           246: .IP "~~\f(CWL\fR~or~\f(CWl\fR" 10
        !           247: to indicate a left-adjusted column entry;
        !           248: .IP "~~\f(CWR\fR~or~\f(CWr\fR
        !           249: to indicate a right-adjusted column entry;
        !           250: .IP "~~\f(CWC\fR~or~\f(CWc\fR
        !           251: to indicate a centered column entry;
        !           252: .IP "~~\f(CWN\fR~or~\f(CWn\fR
        !           253: to indicate a numerical column entry, to be aligned with other
        !           254: numerical entries so that the units digits of numbers line up;
        !           255: .IP "~~\f(CWA\fR~or~\f(CWa\fR
        !           256: to indicate an alphabetic subcolumn;
        !           257: all corresponding entries are aligned on the left, and positioned
        !           258: so that the widest is centered within the column (see
        !           259: example on page 12);
        !           260: .IP "~~\f(CWS\fR~or~\f(CWs\fR
        !           261: to indicate a spanned heading, i.e. to indicate that the
        !           262: entry from the previous column continues across this
        !           263: column
        !           264: (not allowed for the first column, obviously); or
        !           265: .IP ~~\f(CW\s+4\v'6p'^\v'-6p'\s0\fR
        !           266: to indicate a vertically spanned heading, i.e. to indicate that
        !           267: the entry from the previous row continues down through this row.
        !           268: (Not allowed for the first row of the table, obviously).
        !           269: .cs B
        !           270: .PP
        !           271: When numerical alignment is specified, a location for the decimal
        !           272: point is sought.  The rightmost dot
        !           273: .CW . ) (
        !           274: adjacent to a digit is used as a decimal point; if there is no
        !           275: dot adjoining a digit, the rightmost digit is used as a units digit;
        !           276: if no alignment is indicated, the item is centered in the column.
        !           277: However, the special non-printing character string
        !           278: .CW \e&
        !           279: may be used
        !           280: to override unconditionally dots
        !           281: and digits, or to align alphabetic data;
        !           282: this string lines up where a dot normally would,
        !           283: and then disappears from the final output.
        !           284: In the example below, the items shown at the left will be
        !           285: aligned (in a numerical column) as shown on the right:
        !           286: .KS
        !           287: .TS
        !           288: center;
        !           289: l6 n.
        !           290: 13     13
        !           291: 4\*.2  4\&\*.2
        !           292: 26\*.4\*.12    26\*.4\&\*.12
        !           293: abc    abc
        !           294: abc\e& abc\&
        !           295: 43\e&3\*.22    43\&3\*.22
        !           296: 749\*.12       749\&\*.12
        !           297: .TE
        !           298: .KE
        !           299: .PP
        !           300: \fBNote:\fR
        !           301: If numerical data are used in the same column with wider
        !           302: .CW L
        !           303: or
        !           304: .CW r
        !           305: type table entries, the widest \fInumber\fR is centered relative
        !           306: to the wider
        !           307: .CW L
        !           308: or
        !           309: .CW r
        !           310: items (\f(CWL\fR is used instead of \f(CWl\fR for readability;
        !           311: they have the same meaning as key-letters).
        !           312: Alignment within the numerical items is preserved.
        !           313: This is similar to the behavior of
        !           314: .CW a
        !           315: type data, as explained above.
        !           316: However,
        !           317: alphabetic subcolumns (requested by the
        !           318: .CW a
        !           319: key-letter)
        !           320: are always slightly indented relative to
        !           321: .CW L
        !           322: items;
        !           323: if necessary, the column width is increased to force this.
        !           324: This is not true for \f(CWn\fR type entries.
        !           325: .PP
        !           326: .ft BI
        !           327: Warning:
        !           328: .ft 1
        !           329: the \f(CWn\fR and \f(CWa\fR items should not be used in
        !           330: the same column.
        !           331: .PP
        !           332: For readability, the key-letters describing each column should
        !           333: be separated by spaces.
        !           334: The end of the format section is indicated by a period.
        !           335: The layout of the key-letters in the format section resembles
        !           336: the layout of the actual data in the table.
        !           337: Thus a simple format might appear as:
        !           338: .P1
        !           339: c  s  s
        !           340: l  n  n .
        !           341: .P2
        !           342: which specifies a table of three columns. The first line
        !           343: of the table contains a heading centered across all three
        !           344: columns; each remaining line contains a left-adjusted item
        !           345: in the first column followed by two columns of numerical
        !           346: data.
        !           347: A sample table in this format might be:
        !           348: .br
        !           349: .ne 6v
        !           350: .br
        !           351: .in +4
        !           352: .TS
        !           353: c s s
        !           354: l n n.
        !           355: Overall title
        !           356: Item-a 34.22   9.1
        !           357: Item-b 12.65   .02
        !           358: Items: c,d,e   23      5.8
        !           359: Total  69.87   14.92
        !           360: .TE
        !           361: .in -4
        !           362: There are some additional features of the key-letter system:
        !           363: .IP "\fI~~Horizontal lines~\fR"
        !           364: \(em A key-letter may be replaced by
        !           365: .CW _
        !           366: (underscore) to indicate
        !           367: a horizontal line in place of the corresponding column entry,
        !           368: or by
        !           369: .CW =
        !           370: to indicate a double horizontal line.
        !           371: If an adjacent column contains a horizontal line, or if
        !           372: there are vertical lines adjoining this column,
        !           373: this horizontal line is extended to meet the nearby lines.
        !           374: If any data entry is provided for this column, it is ignored and
        !           375: a warning message is printed.
        !           376: .QQ do the D(x) and M(x) to draw a line of 'x' characters.
        !           377: .QQ D will draw divided lines, M merged lines. thus - is simplh M(\(ru)
        !           378: .IP "\fI~~Vertical lines~\fR"
        !           379: \(em A vertical bar may be placed between column key-letters.  This will
        !           380: cause a vertical line between the corresponding columns of the table.
        !           381: A vertical bar to the left of the first key-letter
        !           382: or to the right of the last one produces a line at the
        !           383: edge of the table.
        !           384: If two vertical bars appear between key-letters, a double vertical
        !           385: line is drawn.
        !           386: .IP "\fI~~Space between columns~\fR"
        !           387: \(em A number may follow the key-letter.  This indicates the amount of separation
        !           388: between this column and the next column.
        !           389: The number normally specifies the separation in
        !           390: .I ens *.
        !           391: .FS
        !           392: * One en is about the width of the letter `n', or more precisely,
        !           393: half the current type size measured in points (1 point = 1/72 inch).
        !           394: .FE
        !           395: If the ``expand'' option is used, then these numbers are multiplied
        !           396: by a constant such that the table is as wide as the current line length.
        !           397: The default column separation number is 3.
        !           398: If the separation is changed the worst case (largest space requested) governs.
        !           399: .IP "\fI~~Vertical spanning~\fR"
        !           400: \(em Normally, vertically spanned items extending over several
        !           401: rows of the table are centered in their vertical range.
        !           402: If a key-letter is followed by
        !           403: .CW t
        !           404: or
        !           405: .CW T ,
        !           406: any corresponding vertically spanned item
        !           407: will begin at the top line of its range.
        !           408: .IP "\fI~~Font changes~\fR"
        !           409: \(em A key-letter may be followed by a string containing a font
        !           410: name or number
        !           411: preceded by the letter
        !           412: .CW f
        !           413: or
        !           414: .CW F .
        !           415: This indicates that the corresponding column should be in a different
        !           416: font from the default font (usually Roman).
        !           417: All font names are one or two letters; a one-letter font
        !           418: name should be separated from whatever follows by a space or tab.
        !           419: The single letters
        !           420: .CW B ,
        !           421: .CW b ,
        !           422: .CW I ,
        !           423: and
        !           424: .CW i
        !           425: are shorter synonyms for
        !           426: .CW fB
        !           427: and
        !           428: .CW fI
        !           429: and refer to the bold and italic fonts in the current font family.
        !           430: Font change commands given with the table entries
        !           431: override these specifications.
        !           432: .IP "\fI~~Point size changes~\fR"
        !           433: \(em A key-letter may be followed by the letter
        !           434: .CW p
        !           435: or
        !           436: .CW P
        !           437: and a number to indicate the point size of the corresponding table entries.
        !           438: The number may be a signed digit, in which case it is taken as
        !           439: an increment or decrement
        !           440: from the current point size.
        !           441: If both a point size and a column separation value are given,
        !           442: one or more blanks must separate them.
        !           443: .IP "\fI~~Vertical spacing changes~\fR"
        !           444: \(em A key-letter may be followed by the letter
        !           445: .CW v
        !           446: or
        !           447: .CW V
        !           448: and a number to indicate the vertical line spacing to be used
        !           449: within a multi-line corresponding table entry.
        !           450: The number may be a signed digit, in which case it is taken as an increment
        !           451: or decrement from the current vertical spacing.
        !           452: A column separation value must be separated by blanks or some other
        !           453: specification from a vertical spacing request.
        !           454: This request has no effect unless the corresponding table entry
        !           455: is a text block (see below).
        !           456: .IP "\fI~~Column width indication~\fR"
        !           457: \(em A key-letter may be followed by the letter
        !           458: .CW w
        !           459: or
        !           460: .CW W
        !           461: and a width value in parentheses.
        !           462: This width is used as a minimum column width.
        !           463: If the largest element in the column is not as wide as the width value
        !           464: given after the \f(CWw\fR, the largest element is assumed to be that wide.
        !           465: If the largest element in the column is wider than the specified value,
        !           466: its width is used.
        !           467: The width is also used as a default line
        !           468: length for included text blocks.
        !           469: Normal
        !           470: .I troff
        !           471: units can be used to scale the width value; if none are used,
        !           472: the default is
        !           473: ens.
        !           474: If the width specification is a unitless integer
        !           475: the parentheses may be omitted.
        !           476: If the width value is changed in a column, the \fIlast\fR one given controls.
        !           477: .IP "\fI~~Equal width columns~\fR"
        !           478: \(em A key-letter may be followed by the letter
        !           479: .CW e
        !           480: or
        !           481: .CW E
        !           482: to indicate equal width columns.
        !           483: All columns whose
        !           484: key-letters are followed by \f(CWe\fR or \f(CWE\fR are made the same width.
        !           485: This permits the user to get a group of regularly spaced
        !           486: columns.
        !           487: .IP "\fI~~Staggered columns~\fR"
        !           488: \(em A key-letter may be followed by the letter
        !           489: .CW u
        !           490: or
        !           491: .CW U
        !           492: to indicate that the corresponding entry is to be moved up one half line.
        !           493: This makes it easy, for example, to have a column of differences
        !           494: between numbers in an adjoining column.
        !           495: The
        !           496: .CW allbox
        !           497: option does not work with staggered columns.
        !           498: .IP "\fI~~Zero-width item~\fR"
        !           499: \(em A key-letter may be followed by the letter
        !           500: .CW z
        !           501: or
        !           502: .CW Z
        !           503: to indicate that the corresponding
        !           504: data item is to be ignored in calculating column widths.
        !           505: This may be useful, for example, in allowing headings
        !           506: to run across adjacent columns where spanned headings
        !           507: would be inappropriate.
        !           508: .IP "~~\fBNote:\fR~"
        !           509: The order of the above features is immaterial; they need not be separated
        !           510: by spaces, except as indicated above to avoid ambiguities involving
        !           511: point size and font changes.  Thus
        !           512: a numerical column entry in italic font and 12 point type with a minimum
        !           513: width of 2.5 inches and separated by 6 ens from the next column could
        !           514: be specified as
        !           515: .P1
        !           516: np12w(2.5i)fI  6
        !           517: .P2
        !           518: .IP "\fI~~Alternative notation~\fR"
        !           519: \(em Instead of listing the format of successive lines of a table
        !           520: on consecutive lines of the format section,
        !           521: successive line formats may be given on the same line, separated
        !           522: by commas, so that the format for the example
        !           523: above might have been written:
        !           524: .P1
        !           525: c s s, l n n .
        !           526: .P2
        !           527: .IP "\fI~~Default~\fR"
        !           528: \(em Column descriptors missing from the end
        !           529: of a format line are assumed to be \f(CWL\fR.
        !           530: The longest line in the format section, however,
        !           531: defines the number of columns
        !           532: in the table;
        !           533: extra columns in the data are ignored silently.
        !           534: .QQ put in the diagnostics.
        !           535: .NH 2
        !           536: Data
        !           537: .PP
        !           538: The data for the table are typed after the format.
        !           539: Normally, each table line is typed as one line of data.
        !           540: Very long input lines can be broken: any line whose last character is
        !           541: .CW \e
        !           542: is combined with the following line (and the
        !           543: .CW \e
        !           544: vanishes).
        !           545: The data for different columns (the table entries) are separated by tabs,
        !           546: or by whatever character has been specified with the option
        !           547: .CW tabs .
        !           548: There are a few special cases:
        !           549: .IP "\fI~~Troff commands within tables\fR~"
        !           550: \(em An input line
        !           551: beginning with a
        !           552: .CW .
        !           553: followed by anything
        !           554: but a number is assumed to be a command to
        !           555: .I troff
        !           556: and is passed through unchanged, retaining its position in the table.
        !           557: So, for example, vertical space within a table may be produced by
        !           558: .CW .sp
        !           559: commands
        !           560: in the data.
        !           561: ......
        !           562: .IP "\fI~~Full width horizontal lines\fR~"
        !           563: \(em An input line
        !           564: containing only
        !           565: .CW _
        !           566: (underscore)
        !           567: or
        !           568: .CW =
        !           569: (equal sign) is taken to be a single or double
        !           570: line, respectively, extending the
        !           571: full width
        !           572: of the table.
        !           573: .IP "\fI~~Single column horizontal lines\fR~"
        !           574: \(em An input table entry
        !           575: containing only the character $fat "\(ul" $ or \f(CW=\fR
        !           576: is taken to be a single or double line extending
        !           577: the full width of the column.
        !           578: Such lines are extended to meet horizontal or vertical
        !           579: lines adjoining this column.
        !           580: To obtain these characters explicitly in a column, either
        !           581: precede them by
        !           582: .CW \e&
        !           583: or
        !           584: follow them by a space before the usual tab or newline.
        !           585: .IP "\fI~~Short horizontal lines\fR~"
        !           586: \(em An input table entry
        !           587: containing only the string
        !           588: .CW \e_
        !           589: is taken to be a single line as wide as the contents of
        !           590: the column.  It is not extended to meet
        !           591: adjoining lines.
        !           592: .IP "\fI~~Repeated characters\fR~"
        !           593: \(em An input table entry
        !           594: containing only a string of the form
        !           595: .CW \eR \fIx\fR
        !           596: where
        !           597: .I x
        !           598: is any character is replaced by repetitions of the character
        !           599: .I x
        !           600: as wide as the data in the column.
        !           601: The sequence of
        !           602: .I x 's
        !           603: is not extended to meet adjoining columns.
        !           604: .IP "\fI~~Vertically spanned items\fR~"
        !           605: \(em An input table entry containing only the
        !           606: character string
        !           607: .CW \e^
        !           608: indicates that the table entry immediately
        !           609: above spans downward over this row.  It is equivalent
        !           610: to a table format key-letter of
        !           611: .CW ^ .
        !           612: .IP "\fI~~Text blocks\fR~"
        !           613: \(em In order to include a block of text as a table entry,
        !           614: precede it by
        !           615: .CW T{
        !           616: and follow
        !           617: it by
        !           618: .CW T} .
        !           619: Thus the sequence
        !           620: .P1
        !           621: \&\fR. . .\fP T{
        !           622: .I
        !           623: block of
        !           624: text
        !           625: .CW
        !           626: T}\fR . . .
        !           627: .P2
        !           628: is the way to enter, as a single entry in the table, something
        !           629: that cannot conveniently be typed as a simple string between
        !           630: tabs.
        !           631: Note that the
        !           632: .CW T}
        !           633: end delimiter must begin a line;
        !           634: additional columns of data may follow after a tab on the same line.
        !           635: .nr zy \n(zz+10
        !           636: See the example on page \n(zy for an illustration of included text blocks
        !           637: .e1 aa \n(zy
        !           638: in a table.
        !           639: If more than fifty or so text blocks are used in a table,
        !           640: various limits in the
        !           641: .I troff
        !           642: program are likely to be exceeded,
        !           643: producing diagnostics such as `too many string/macro names' or `too many
        !           644: number registers.'
        !           645: .IP
        !           646: Text blocks are pulled out from the table, processed separately by
        !           647: .I troff ,
        !           648: and replaced in the table as a solid block.  If no line length
        !           649: is specified in the block of text
        !           650: tself, or in the table format,
        !           651: the default is to use
        !           652: $ L times C / (N+1) $
        !           653: where $L$ is the current line length,
        !           654: $C$ is the number of table columns spanned by the text,
        !           655: and $N$ is the total number of columns in the table.
        !           656: The other parameters (point size, font, etc.) used in setting the
        !           657: block of text are those in effect at the beginning of the table (including
        !           658: the effect of the
        !           659: .CW .TS
        !           660: macro)
        !           661: and any table format specifications of size, spacing and font,
        !           662: using the \f(CWp\fR, \f(CWv\fR and \f(CWf\fR modifiers to the column key-letters.
        !           663: Commands within the text block itself are also recognized, of course.
        !           664: However,
        !           665: .I troff
        !           666: commands within the table data but not within the text block
        !           667: do not affect that block.
        !           668: .br
        !           669: .di RR
        !           670: .     this is going down a rathole
        !           671: .EQ
        !           672: delim off
        !           673: .EN
        !           674: .di
        !           675: .rm RR
        !           676: .IP "~~\fBWarnings:\fR~"
        !           677: Although any number of lines may be present in a table,
        !           678: only the first 200 lines are used in calculating
        !           679: the widths of the various columns.
        !           680: A multi-page table,
        !           681: of course, may be arranged as several single-page tables
        !           682: if this proves to be a problem.
        !           683: Other difficulties with formatting may arise because,
        !           684: in the calculation of column widths all table entries
        !           685: are assumed to be in the font and size being used when
        !           686: the
        !           687: .CW .TS
        !           688: command was encountered, except for font and size changes
        !           689: indicated (a) in the table format section and (b)
        !           690: within the table data (as in the entry
        !           691: .CW \es+3\efIdata\efP\es0 ).
        !           692: Therefore, although arbitrary
        !           693: .I troff
        !           694: requests may be sprinkled in a table, care must be taken
        !           695: to avoid confusing the width calculations;
        !           696: use requests such as
        !           697: .CW .ps
        !           698: with care.
        !           699: .tr ~~
        !           700: .sp .5v
        !           701: .NH 2
        !           702: Additional Command Lines
        !           703: .PP
        !           704: If the format of a table must be changed after
        !           705: many similar lines, as with sub-headings or summarizations, the
        !           706: .CW .T&
        !           707: (table continue)
        !           708: command can be used
        !           709: to change column parameters.
        !           710: The outline of such a table input is:
        !           711: .DS
        !           712: .ft CW
        !           713: \&.TS
        !           714: .ft I
        !           715: \&options \f(CW;\fP
        !           716: \&format \*.
        !           717: \&data
        !           718: \&\*. \*. \*.
        !           719: .ft CW
        !           720: \&.T&
        !           721: .ft I
        !           722: \&format \*.
        !           723: \&data
        !           724: .ft CW
        !           725: \&.T&
        !           726: .ft I
        !           727: \&format \*.
        !           728: \&data
        !           729: .ft CW
        !           730: \&.TE
        !           731: .DE
        !           732: .R
        !           733: .nr zy \n(zz+9
        !           734: .nr zx \n(zz+12
        !           735: as in the examples on pages \n(zy and \n(zx.
        !           736: .e1 ab \n(zy
        !           737: .e1 ac \n(zx
        !           738: Using this procedure, each table line can be close to its corresponding format line.
        !           739: .sp 3p
        !           740: .ft BI
        !           741: Warning:
        !           742: .ft R
        !           743: It is not possible to change the number of columns, the space
        !           744: between columns, the global options such as \fIbox,\fR
        !           745: or the selection of columns to be made equal width.
        !           746: Nor is
        !           747: .CW .T&
        !           748: recognized after the first 200 lines of a table.
        !           749: .NH
        !           750: Usage.
        !           751: .PP
        !           752: On
        !           753: .UX
        !           754: systems,
        !           755: .I tbl
        !           756: can be run on a simple table with the command
        !           757: .P1
        !           758: tbl input-file | troff
        !           759: .P2
        !           760: but
        !           761: for more complicated use, where there are several input files,
        !           762: and they contain equations and
        !           763: .CW -ms
        !           764: layout commands as well
        !           765: as tables, the normal command would be
        !           766: .P1
        !           767: tbl \fIfiles ...\fP | eqn | troff -ms
        !           768: .P2
        !           769: and, of course, the usual options may be used on the
        !           770: .I troff
        !           771: and
        !           772: .I eqn
        !           773: commands. If any of the file names are
        !           774: .CW -
        !           775: the standard input is read at that point.
        !           776: .PP
        !           777: For the convenience of users employing line printers without
        !           778: adequate driving tables or post-filters, there is a special
        !           779: .CW -TX
        !           780: command line option to
        !           781: .I tbl
        !           782: which produces output that does not have fractional line
        !           783: motions in it.
        !           784: .PP
        !           785: Note that when
        !           786: .I eqn
        !           787: and
        !           788: .I tbl
        !           789: are used together on the same file,
        !           790: .I tbl
        !           791: should be used first.
        !           792: If there are no equations within tables,
        !           793: either order works, but it is usually faster
        !           794: to run
        !           795: .I tbl
        !           796: first, since
        !           797: .I eqn
        !           798: normally produces a larger expansion of the input
        !           799: than
        !           800: .I tbl .
        !           801: However, if there are equations within tables
        !           802: (using the
        !           803: .I delim
        !           804: mechanism in
        !           805: .I eqn ),
        !           806: .I tbl
        !           807: must be first or the output will be scrambled.
        !           808: Users must also beware of using equations in
        !           809: \f(CWn\fR-style columns; this is nearly always wrong,
        !           810: since
        !           811: .I tbl
        !           812: attempts to split numerical format items into two parts and this
        !           813: is not possible with equations.
        !           814: The user can defend against this by giving the
        !           815: .I delim(xx)
        !           816: table option;
        !           817: this prevents splitting of numerical columns within the delimiters.
        !           818: For example, if the
        !           819: .I eqn
        !           820: delimiters
        !           821: are
        !           822: .I $$ ,
        !           823: giving
        !           824: .I delim($$)
        !           825: a numerical column such as
        !           826: .CW "1245$+- 16$"
        !           827: will be divided after 1245, not after 16.
        !           828: .PP
        !           829: .I Tbl
        !           830: accepts up to about 35 columns, the exact number
        !           831: depending on the availability
        !           832: of number registers.
        !           833: The user must avoid number register names used
        !           834: by
        !           835: .I tbl ,
        !           836: which include two-digit numbers from 31 to 97,
        !           837: and strings of the form
        !           838: .CW 4\fIx\fR,
        !           839: .CW 5\fIx\fR,
        !           840: .CW #\fIx\fR,
        !           841: \fIx\f(CW+\fR, \fIx\f(CW|\fR, \f(CW^\fIx\fR, and \fIx\f(CW-\fR,
        !           842: where
        !           843: \fIx\fR is any lower case letter.
        !           844: The names
        !           845: .CW ## ,
        !           846: .CW #- ,
        !           847: and
        !           848: .CW #^
        !           849: are also used in certain circumstances.
        !           850: To conserve number register names, the
        !           851: .CW n
        !           852: and
        !           853: .CW a
        !           854: formats share a register;
        !           855: hence the restriction above that they may not be used in the same column.
        !           856: .PP
        !           857: For aid in writing layout macros,
        !           858: .I tbl
        !           859: defines a number register
        !           860: .CW TW
        !           861: which is
        !           862: the table width; it is defined by the time that the
        !           863: .CW .TE
        !           864: macro
        !           865: is invoked and may be used in the expansion of that macro.
        !           866: More importantly, to assist in laying out multi-page boxed tables
        !           867: the macro T# is defined to produce the bottom lines and side lines of a boxed
        !           868: table, and then invoked at its end.  By use of this macro
        !           869: in the page footer a multi-page table can be boxed.
        !           870: In particular, the
        !           871: .CW -ms
        !           872: macros can be used to print a multi-page boxed table with a repeated heading
        !           873: by giving the
        !           874: argument
        !           875: .CW H
        !           876: to the
        !           877: .CW .TS
        !           878: macro.
        !           879: If the table start macro is written
        !           880: .P1
        !           881:        \&\*.TS H
        !           882: .P2
        !           883: a line of the form
        !           884: .P1
        !           885:        \&\*.TH
        !           886: .P2
        !           887: must be given in the table after any table heading (or at the start if none).
        !           888: Material up to the
        !           889: .CW .TH
        !           890: is placed at the top of each page of table;
        !           891: the remaining lines in the table are placed on several pages as required.
        !           892: Note that this is
        !           893: .I not
        !           894: a feature of
        !           895: .I tbl ,
        !           896: but of the
        !           897: .CW -ms
        !           898: layout macros.
        !           899: .FC
        !           900: .1C
        !           901: .NH
        !           902: Examples.
        !           903: .PP
        !           904: Here are some examples illustrating features of
        !           905: .I
        !           906: tbl.
        !           907: .R
        !           908: .ds T \|\h'.4n'\v'-.2n'\s6\zT\s0\s10\v'.2n'\h'-.4n'\(ci\|\s0
        !           909: The symbol \*T in the input represents a tab character.
        !           910: .de IN
        !           911: .po \\n(POu
        !           912: .sp |\\n(.hu
        !           913: .sp
        !           914: .NE \\$1
        !           915: .mk
        !           916: .B
        !           917: Input:
        !           918: .R
        !           919: .sp .5
        !           920: .nf
        !           921: .in +3n
        !           922: ..
        !           923: .de OU
        !           924: .br
        !           925: .in -3n
        !           926: .rt
        !           927: .po +3i
        !           928: .B
        !           929: Output:
        !           930: .R
        !           931: .sp .5
        !           932: ..
        !           933: .rm TS
        !           934: .rm TE
        !           935: .nf
        !           936: .KS
        !           937: .IN 2.5i
        !           938: \&\*.TS
        !           939: \&box;
        !           940: \&c c c
        !           941: \&l l r\*.
        !           942: \&Fact\*TLocation\*TStatistic
        !           943: \&
        !           944: \&Largest state\*TAlaska\*T591,004 sq. mi.
        !           945: \&Smallest state\*TRhode Island\*T1,212 sq. mi.
        !           946: \&Longest river\*TMississippi-Missouri\*T3,710 mi.
        !           947: \&Highest mountain\*TMount McKinley, AK\*T20,320 ft.
        !           948: \&Lowest point\*TDeath Valley, CA\*T\-282 ft.
        !           949: \&\*.TE
        !           950: .OU
        !           951: .TS
        !           952: box;
        !           953: c c c
        !           954: l l r.
        !           955: Fact   Location        Statistic
        !           956: 
        !           957: Largest state  Alaska  591,004 sq. mi.
        !           958: Smallest state Rhode Island    1,212 sq. mi.
        !           959: Longest river  Mississippi-Missouri    3,710 mi.
        !           960: Highest mountain       Mount McKinley, AK      20,320 ft.
        !           961: Lowest point   Death Valley, CA        \-282 ft.
        !           962: .TE
        !           963: .IN 2.8i
        !           964: \&\*.TS
        !           965: \&allbox;
        !           966: \&c s s
        !           967: \&c c c
        !           968: \&n n n\*.
        !           969: \&AT&T Common Stock
        !           970: \&Year\*TPrice\*TDividend
        !           971: \&1984\*T15-20\*T$1\*.20
        !           972: \&5\*T19-25\*T1\*.20
        !           973: \&6\*T21-28\*T1\*.20
        !           974: \&7\*T20-36\*T1\*.20
        !           975: \&8\*T24-30\*T1\*.20
        !           976: \&9\*T29-37\*T\*.30*
        !           977: \&\*.TE
        !           978: \&* (first quarter only)
        !           979: .OU
        !           980: .TS
        !           981: allbox;
        !           982: c s s
        !           983: c c c
        !           984: n n n.
        !           985: AT&T Common Stock
        !           986: Year   Price   Dividend
        !           987: 1984   15-20   $1.20
        !           988: 5      19-25   1.20
        !           989: 6      21-28   1.20
        !           990: 7      20-36   1.20
        !           991: 8      24-30   1.20
        !           992: 9      29-37   .30*
        !           993: .TE
        !           994: * (first quarter only)
        !           995: .KE
        !           996: .BP
        !           997: .KS
        !           998: .IN 4i
        !           999: \&\*.TS
        !          1000: \&box;
        !          1001: \&c s s
        !          1002: \&c | c | c
        !          1003: \&l | l | n\*.
        !          1004: \&Major New York Bridges
        !          1005: \&=
        !          1006: \&Bridge\*TDesigner\*TLength
        !          1007: \&\(ul
        !          1008: \&Brooklyn\*TJ\*. A\*. Roebling\*T1595
        !          1009: \&Manhattan\*TG\*. Lindenthal\*T1470
        !          1010: \&Williamsburg\*TL\*. L\*. Buck\*T1600
        !          1011: \&\(ul
        !          1012: \&Queensborough\*TPalmer &\*T1182
        !          1013: \&\*T  Hornbostel
        !          1014: \&\(ul
        !          1015: \&\*T\*T1380
        !          1016: \&Triborough\*TO\*. H\*. Ammann\*T\(ul
        !          1017: \&\*T\*T383
        !          1018: \&\(ul
        !          1019: \&Bronx Whitestone\*TO\*. H\*. Ammann\*T2300
        !          1020: \&Throgs Neck\*TO\*. H\*. Ammann\*T1800
        !          1021: \&\(ul
        !          1022: \&George Washington\*TO\*. H\*. Ammann\*T3500
        !          1023: \&\*.TE
        !          1024: .OU
        !          1025: .TS
        !          1026: box;
        !          1027: c s s
        !          1028: c | c | c
        !          1029: l | l | n.
        !          1030: Major New York Bridges
        !          1031: =
        !          1032: Bridge Designer        Length
        !          1033: _
        !          1034: Brooklyn       J. A. Roebling  1595
        !          1035: Manhattan      G. Lindenthal   1470
        !          1036: Williamsburg   L. L. Buck      1600
        !          1037: _
        !          1038: Queensborough  Palmer &        1182
        !          1039:          Hornbostel
        !          1040: _
        !          1041:                1380
        !          1042: Triborough     O. H. Ammann    _
        !          1043:                383
        !          1044: _
        !          1045: Bronx Whitestone       O. H. Ammann    2300
        !          1046: Throgs Neck    O. H. Ammann    1800
        !          1047: _
        !          1048: George Washington      O. H. Ammann    3500
        !          1049: .TE
        !          1050: .IN 3.0i
        !          1051: \&\*.TS
        !          1052: \&c c
        !          1053: \&np-2 | n | \*.
        !          1054: \&\*TStack
        !          1055: \&\*T\(ul
        !          1056: \&1\*T46
        !          1057: \&\*T\(ul
        !          1058: \&2\*T23
        !          1059: \&\*T\(ul
        !          1060: \&3\*T15
        !          1061: \&\*T\(ul
        !          1062: \&4\*T6\*.5
        !          1063: \&\*T\(ul
        !          1064: \&5\*T2\*.1
        !          1065: \&\*T\(ul
        !          1066: \&\*.TE
        !          1067: .OU
        !          1068: .TS
        !          1069: c c
        !          1070: np-2 | n |.
        !          1071:        Stack
        !          1072:        _
        !          1073: 1      46
        !          1074:        _
        !          1075: 2      23
        !          1076:        _
        !          1077: 3      15
        !          1078:        _
        !          1079: 4      6.5
        !          1080:        _
        !          1081: 5      2.1
        !          1082:        _
        !          1083: .TE
        !          1084: .KE
        !          1085: .BP
        !          1086: .KS
        !          1087: .IN 2.5i
        !          1088: \&\*.TS
        !          1089: \&box;
        !          1090: \&L L L
        !          1091: \&L L \(ul
        !          1092: \&L L | LB
        !          1093: \&L L \(ul
        !          1094: \&L L L\*.
        !          1095: \&january\*Tfebruary\*Tmarch
        !          1096: \&april\*Tmay
        !          1097: \&june\*Tjuly\*TMonths
        !          1098: \&august\*Tseptember
        !          1099: \&october\*Tnovember\*Tdecember
        !          1100: \&\*.TE
        !          1101: .OU
        !          1102: .TS
        !          1103: box;
        !          1104: L L L
        !          1105: L L _
        !          1106: L L | LB
        !          1107: L L _
        !          1108: L L L.
        !          1109: january        february        march
        !          1110: april  may
        !          1111: june   july    Months
        !          1112: august september
        !          1113: october        november        december
        !          1114: .TE
        !          1115: .IN 5.0i
        !          1116: .e2 ab
        !          1117: \&\*.FP helvetica
        !          1118: \&\*.TS
        !          1119: \&box;
        !          1120: \&cf(CW s s s\*.
        !          1121: \&Composition of Foods
        !          1122: \&\(ul
        !          1123: \&\*.T&
        !          1124: \&c  | c s s
        !          1125: \&c  | c s s
        !          1126: \&c   | c  | c  | c\*.
        !          1127: \&Food\*TPercent by Weight
        !          1128: \&\e^\*T\(ul
        !          1129: \&\e^\*TProtein\*TFat\*TCarbo-
        !          1130: \&\e^\*T\e^\*T\e^\*Thydrate
        !          1131: \&\(ul
        !          1132: \&\*.T&
        !          1133: \&l  | n  | n  | n\*.
        !          1134: \&Apples\*T\*.4\*T\*.5\*T13\*.0
        !          1135: \&Halibut\*T18\*.4\*T5\*.2\*T\*. \*. \*.
        !          1136: \&Lima beans\*T7\*.5\*T\*.8\*T22\*.0
        !          1137: \&Milk\*T3\*.3\*T4\*.0\*T5\*.0
        !          1138: \&Mushrooms\*T3\*.5\*T\*.4\*T6\*.0
        !          1139: \&Rye bread\*T9\*.0\*T\*.6\*T52\*.7
        !          1140: \&\*.TE
        !          1141: \&\*.FP times
        !          1142: .OU
        !          1143: .FP helvetica
        !          1144: .TS
        !          1145: box;
        !          1146: cBCW s s s.
        !          1147: Composition of Foods
        !          1148: _
        !          1149: .T&
        !          1150: c  |c s s
        !          1151: c  |c s s
        !          1152: c   |c  |c  |c.
        !          1153: Food   Percent by Weight
        !          1154: \^     _
        !          1155: \^     Protein Fat     Carbo-
        !          1156: \^     \^      \^      hydrate
        !          1157: _
        !          1158: .T&
        !          1159: l  |n  |n  |n.
        !          1160: Apples .4      .5      13.0
        !          1161: Halibut        18.4    5.2     ...
        !          1162: Lima beans     7.5     .8      22.0
        !          1163: Milk   3.3     4.0     5.0
        !          1164: Mushrooms      3.5     .4      6.0
        !          1165: Rye bread      9.0     .6      52.7
        !          1166: .TE
        !          1167: .FP times
        !          1168: .KE
        !          1169: .BP
        !          1170: .KS
        !          1171: .IN 3.7i
        !          1172: .e2 aa
        !          1173: \&\*.TS
        !          1174: \&allbox;
        !          1175: \&cfI  s   s
        !          1176: \&c    cw(1i)   cw(1i)
        !          1177: \&lp9 lp9 lp9\*.
        !          1178: \&New York Area Rocks
        !          1179: \&Era\*TFormation\*TAge (years)
        !          1180: \&Precambrian\*TReading Prong\*T>1 billion
        !          1181: \&Paleozoic\*TManhattan Prong\*T400 million
        !          1182: \&Mesozoic\*TT{
        !          1183: \&\*.na
        !          1184: \&Newark Basin, incl\*.
        !          1185: \&Stockton, Lockatong, and Brunswick
        !          1186: \&formations; also Watchungs
        !          1187: \&and Palisades\*.
        !          1188: \&T}\*T200 million
        !          1189: \&Cenozoic\*TCoastal Plain\*TT{
        !          1190: \&On Long Island 30,000 years;
        !          1191: \&Cretaceous sediments redeposited
        !          1192: \&by recent glaciation\*.
        !          1193: \&\*.ad
        !          1194: \&T}
        !          1195: \&\*.TE
        !          1196: .OU
        !          1197: .fi
        !          1198: .TS
        !          1199: allbox;
        !          1200: cfI s   s
        !          1201: c   cw(1i)   cw(1i)
        !          1202: lp9 lp9 lp9.
        !          1203: New York Area Rocks
        !          1204: Era    Formation       Age (years)
        !          1205: Precambrian    Reading Prong   >1 billion
        !          1206: Paleozoic      Manhattan Prong 400 million
        !          1207: Mesozoic       T{
        !          1208: .na
        !          1209: Newark Basin, incl.
        !          1210: Stockton, Lockatong, and Brunswick
        !          1211: formations; also Watchungs
        !          1212: and Palisades.
        !          1213: T}     200 million
        !          1214: Cenozoic       Coastal Plain   T{
        !          1215: On Long Island 30,000 years;
        !          1216: Cretaceous sediments redeposited
        !          1217: by recent glaciation.
        !          1218: .ad
        !          1219: T}
        !          1220: .TE
        !          1221: .IN 2i
        !          1222: \&\*.EQ
        !          1223: \&delim $$
        !          1224: \&\*.EN
        !          1225: .sp
        !          1226: \&\*. \*. \*.
        !          1227: .sp
        !          1228: \&\*.TS
        !          1229: \&doublebox;
        !          1230: \&c c
        !          1231: \&l l\*.
        !          1232: \&Name\*TDefinition
        !          1233: \&\*.sp
        !          1234: \&\*.vs +2p
        !          1235: \&Gamma\*T$GAMMA (z) = int sub 0 sup inf  t sup {z-1} e sup -t dt$
        !          1236: \&Sine\*T$sin (x) = 1 over 2i ( e sup ix - e sup -ix )$
        !          1237: \&Error\*T$ roman erf (z) = 2 over sqrt pi int sub 0 sup z e sup {-t sup 2} dt$
        !          1238: \&Bessel\*T$ J sub 0 (z) = 1 over pi int sub 0 sup pi cos ( z sin theta ) d theta $
        !          1239: \&Zeta\*T$ zeta (s) = sum from k=1 to inf k sup -s ~~( Re~s > 1)$
        !          1240: \&\*.vs -2p
        !          1241: \&\*.TE
        !          1242: .di qq
        !          1243: .EQ
        !          1244: delim $$
        !          1245: .EN
        !          1246: .di
        !          1247: .rm qq
        !          1248: .rs
        !          1249: .OU
        !          1250: .TS
        !          1251: doublebox;
        !          1252: c c
        !          1253: l l.
        !          1254: Name   Definition
        !          1255: .sp
        !          1256: .vs +2p
        !          1257: Gamma  $GAMMA (z) = int sub 0 sup inf  t sup {z-1} e sup -t dt$
        !          1258: Sine   $sin (x) = 1 over 2i ( e sup ix - e sup -ix )$
        !          1259: Error  $ roman erf (z) = 2 over sqrt pi int sub 0 sup z e sup {-t sup 2} dt$
        !          1260: Bessel $ J sub 0 (z) = 1 over pi int sub 0 sup pi cos ( z sin theta ) d theta $
        !          1261: Zeta   $ zeta (s) = sum from k=1 to inf k sup -s ~~( Re~s > 1)$
        !          1262: .vs -2p
        !          1263: .TE
        !          1264: .KE
        !          1265: .KS
        !          1266: .ds : \|:\|
        !          1267: .IN 2i
        !          1268: \&\*.TS
        !          1269: \&box, tab(\*:);
        !          1270: \&cb s s s s
        !          1271: \&cp-2 s s s s
        !          1272: \&c |\|| c | c | c | c
        !          1273: \&c |\|| c | c | c | c
        !          1274: \&r2 |\|| n2 | n2 | n2 | n\*.
        !          1275: \&Readability of Text
        !          1276: \&Line Width and Leading for 10-Point Type
        !          1277: \&=
        !          1278: \&Line\*:Set\*:1-Point\*:2-Point\*:4-Point
        !          1279: \&Width\*:Solid\*:Leading\*:Leading\*:Leading
        !          1280: \&_
        !          1281: \&9 Pica\*:\e-9\*.3\*:\e-6\*.0\*:\e-5\*.3\*:\e-7\*.1
        !          1282: \&14 Pica\*:\e-4\*.5\*:\e-0\*.6\*:\e-0\*.3\*:\e-1\*.7
        !          1283: \&19 Pica\*:\e-5\*.0\*:\e-5\*.1\*: 0\*.0\*:\e-2\*.0
        !          1284: \&31 Pica\*:\e-3\*.7\*:\e-3\*.8\*:\e-2\*.4\*:\e-3\*.6
        !          1285: \&43 Pica\*:\e-9\*.1\*:\e-9\*.0\*:\e-5\*.9\*:\e-8\*.8
        !          1286: \&\*.TE
        !          1287: .OU
        !          1288: .TS
        !          1289: box, tab(:);
        !          1290: cb s s s s
        !          1291: cp-2 s s s s
        !          1292: c ||c |c |c |c
        !          1293: c ||c |c |c |c
        !          1294: r2 ||n2 |n2 |n2 |n.
        !          1295: Readability of Text
        !          1296: Line Width and Leading for 10-Point Type
        !          1297: =
        !          1298: Line:Set:1-Point:2-Point:4-Point
        !          1299: Width:Solid:Leading:Leading:Leading
        !          1300: _
        !          1301: 9 Pica:\-9.3:\-6.0:\-5.3:\-7.1
        !          1302: 14 Pica:\-4.5:\-0.6:\-0.3:\-1.7
        !          1303: 19 Pica:\-5.0:\-5.1: 0.0:\-2.0
        !          1304: 31 Pica:\-3.7:\-3.8:\-2.4:\-3.6
        !          1305: 43 Pica:\-9.1:\-9.0:\-5.9:\-8.8
        !          1306: .TE
        !          1307: .KE
        !          1308: .KS
        !          1309: .IN 7i
        !          1310: .e2 ac
        !          1311: \&\*.TS
        !          1312: \&c s
        !          1313: \&cip-2 s
        !          1314: \&l n
        !          1315: \&a n\*.
        !          1316: \&Some London Transport Statistics
        !          1317: \&(Year 1964)
        !          1318: \&Railway route miles\*T244
        !          1319: \&Tube\*T66
        !          1320: \&Sub-surface\*T22
        !          1321: \&Surface\*T156
        !          1322: \&\*.sp \*.5
        !          1323: \&\*.T&
        !          1324: \&l r
        !          1325: \&a r\*.
        !          1326: \&Passenger traffic \e- railway
        !          1327: \&Journeys\*T674 million
        !          1328: \&Average length\*T4\*.55 miles
        !          1329: \&Passenger miles\*T3,066 million
        !          1330: \&\*.T&
        !          1331: \&l r
        !          1332: \&a r\*.
        !          1333: \&Passenger traffic \e- road
        !          1334: \&Journeys\*T2,252 million
        !          1335: \&Average length\*T2\*.26 miles
        !          1336: \&Passenger miles\*T5,094 million
        !          1337: \&\*.T&
        !          1338: \&l n
        !          1339: \&a n\*.
        !          1340: \&\*.sp \*.5
        !          1341: \&Vehicles\*T12,521
        !          1342: \&Railway motor cars\*T2,905
        !          1343: \&Railway trailer cars\*T1,269
        !          1344: \&Total railway\*T4,174
        !          1345: \&Omnibuses\*T8,347
        !          1346: \&\*.T&
        !          1347: \&l n
        !          1348: \&a n\*.
        !          1349: \&\*.sp \*.5
        !          1350: \&Staff\*T73,739
        !          1351: \&Administrative, etc\*.\*T5,582
        !          1352: \&Civil engineering\*T5,134
        !          1353: \&Electrical eng\*.\*T1,714
        !          1354: \&Mech\*. eng\*. \e- railway\*T4,310
        !          1355: \&Mech\*. eng\*. \e- road\*T9,152
        !          1356: \&Railway operations\*T8,930
        !          1357: \&Road operations\*T35,946
        !          1358: \&Other\*T2,971
        !          1359: \&\*.TE
        !          1360: .OU
        !          1361: .TS
        !          1362: c s
        !          1363: cip-2 s
        !          1364: l n
        !          1365: a n.
        !          1366: Some London Transport Statistics
        !          1367: (Year 1964)
        !          1368: Railway route miles    244
        !          1369: Tube   66
        !          1370: Sub-surface    22
        !          1371: Surface        156
        !          1372: .sp .5
        !          1373: .T&
        !          1374: l r
        !          1375: a r.
        !          1376: Passenger traffic \(mi railway
        !          1377: Journeys       674 million
        !          1378: Average length 4.55 miles
        !          1379: Passenger miles        3,066 million
        !          1380: .T&
        !          1381: l r
        !          1382: a r.
        !          1383: Passenger traffic \(mi road
        !          1384: Journeys       2,252 million
        !          1385: Average length 2.26 miles
        !          1386: Passenger miles        5,094 million
        !          1387: .T&
        !          1388: l n
        !          1389: a n.
        !          1390: .sp .5
        !          1391: Vehicles       12,521
        !          1392: Railway motor cars     2,905
        !          1393: Railway trailer cars   1,269
        !          1394: Total railway  4,174
        !          1395: Omnibuses      8,347
        !          1396: .T&
        !          1397: l n
        !          1398: a n.
        !          1399: .sp .5
        !          1400: Staff  73,739
        !          1401: Administrative, etc.   5,582
        !          1402: Civil engineering      5,134
        !          1403: Electrical eng.        1,714
        !          1404: Mech. eng. \(mi railway        4,310
        !          1405: Mech. eng. \(mi road   9,152
        !          1406: Railway operations     8,930
        !          1407: Road operations        35,946
        !          1408: Other  2,971
        !          1409: .TE
        !          1410: .KE
        !          1411: .KS
        !          1412: .po \n(POu
        !          1413: .sp |\n(.hu
        !          1414: .de IN
        !          1415: .sp
        !          1416: .ne 1i
        !          1417: .B
        !          1418: Input:
        !          1419: .R
        !          1420: .sp .5
        !          1421: .in +3n
        !          1422: .nf
        !          1423: ..
        !          1424: .de OU
        !          1425: .sp
        !          1426: .in -3n
        !          1427: .ne 1i
        !          1428: .B
        !          1429: Output:
        !          1430: .R
        !          1431: .sp .5
        !          1432: ..
        !          1433: .ns
        !          1434: .EQ
        !          1435: delim off
        !          1436: .EN
        !          1437: .IN
        !          1438: .ps 8
        !          1439: .vs 10
        !          1440: \&\*.TS
        !          1441: center box;
        !          1442: \&cBp+2 s s
        !          1443: \&cB s s
        !          1444: \&li l lb\*.
        !          1445: \&Crisis and Emergency Numbers
        !          1446: \&\*.sp
        !          1447: \&24-Hour Hotlines
        !          1448: \&Abuse\*TChild Abuse Reports\*T1-800-792-8610
        !          1449: \&\*.sp \*.5
        !          1450: \&Alcohol\*TAla-Call\*T1-800-322-5525
        !          1451: \&Alcohol\*TOverdose\*T1-800-962-1253
        !          1452: \&\*.sp \*.5
        !          1453: \&Drug\*TDrug Hotline\*T1-800-225-0196
        !          1454: \&Drug\*TOverdose\*T1-800-962-1253
        !          1455: \&Drug\*TNarcotics Anonymous\*T1-800-992-0401
        !          1456: \&\*.sp \*.5
        !          1457: \&Poison\*TPoison Hotline\*T1-800-962-1253
        !          1458: \&\*.sp \*.5
        !          1459: \&Runaways\*THotline\*T1-800-231-6946
        !          1460: \&Runaways\*TCovenant House\*T1-800-999-9999
        !          1461: \&\*.sp \*.5
        !          1462: \&\*.T&
        !          1463: \&cB s s
        !          1464: \&li l lb\*.
        !          1465: \&Other Hotlines
        !          1466: \&AIDS\*TNational AIDS Hotline\*T1-800-342-AIDS
        !          1467: \&AIDS\*TNJ AIDS Hotline\*T1-800-624-2377
        !          1468: \&Drug\*TCocaine\*T1-800-COCAINE
        !          1469: \&Eating\*TEating Disorders Hotline\*T1-800-624-2268
        !          1470: \&Support\*TSupport Group Information\*T1-800-367-6274
        !          1471: \&VD\*TVD Information\*T1-800-227-8922
        !          1472: \&\*.TE
        !          1473: .ne 3.2i
        !          1474: .ps 10
        !          1475: .vs 12
        !          1476: .OU
        !          1477: .ps 8
        !          1478: .vs 10p
        !          1479: .TS
        !          1480: center box;
        !          1481: cBp+2 s s
        !          1482: cB s s
        !          1483: li l lb.
        !          1484: Crisis and Emergency Numbers
        !          1485: .sp .5
        !          1486: 24-Hour Hotlines
        !          1487: Abuse  Child Abuse Reports     1-800-792-8610
        !          1488: .sp .5
        !          1489: Alcohol        Ala-Call        1-800-322-5525
        !          1490: Alcohol        Overdose        1-800-962-1253
        !          1491: .sp .5
        !          1492: Drug   Drug Hotline    1-800-225-0196
        !          1493: Drug   Overdose        1-800-962-1253
        !          1494: Drug   Narcotics Anonymous     1-800-992-0401
        !          1495: .sp .5
        !          1496: Poison Poison Hotline  1-800-962-1253
        !          1497: .sp .5
        !          1498: Runaways       Hotline 1-800-231-6946
        !          1499: Runaways       Covenant House  1-800-999-9999
        !          1500: .sp .5
        !          1501: .T&
        !          1502: cB s s
        !          1503: li l lb.
        !          1504: Other Hotlines
        !          1505: AIDS   National AIDS Hotline   1-800-342-AIDS
        !          1506: AIDS   NJ AIDS Hotline 1-800-624-2377
        !          1507: Drug   Cocaine 1-800-COCAINE
        !          1508: Eating Eating Disorders Hotline        1-800-624-2268
        !          1509: Support        Support Group Information       1-800-367-6274
        !          1510: VD     VD Information  1-800-227-8922
        !          1511: .TE
        !          1512: .ps 10
        !          1513: .vs 12p
        !          1514: .sp
        !          1515: .fi
        !          1516: This is a paragraph of normal text placed here only to indicate where
        !          1517: the left and right margins are.  In this way the reader can judge
        !          1518: the appearance of centered tables or expanded tables, and observe
        !          1519: how such tables are formatted.
        !          1520: .KE
        !          1521: .KS
        !          1522: .IN
        !          1523: .ps 8
        !          1524: .vs 10
        !          1525: \&\*.TS
        !          1526: \&expand;
        !          1527: \&c s s s
        !          1528: \&c c c c
        !          1529: \&l l n n\*.
        !          1530: \&New Jersey Bell Labs Locations
        !          1531: \&Name\*TAddress\*TArea Code\*TPhone
        !          1532: \&Chester\*TChester, NJ 07930\*T201\*T879-3400
        !          1533: \&Corporate Park III\*TSomerset, NJ 08873\*T201\*T271-2300
        !          1534: \&Crawford Hill\*THolmdel, NJ 07733\*T201\*T888-7000
        !          1535: \&ERC\*THopewell Township, NJ 08525\*T609\*T639-1234
        !          1536: \&Freehold\*TFreehold, NJ 07728\*T201\*T577-5000
        !          1537: \&Headquarters Plaza\*TMorristown, NJ 07960\*T201\*T898-6000
        !          1538: \&Holmdel\*THolmdel, NJ 07733\*T201\*T834-1000
        !          1539: \&Knightsbridge\*TPiscataway, NJ 08854\*T201\*T457-2000
        !          1540: \&Liberty Corner\*TWarren, NJ 07060\*T201\*T580-4000
        !          1541: \&Lincroft\*TLincroft, NJ 07738\*T201\*T576-4000
        !          1542: \&MDC\*THopewell Township, NJ 08525\*T609\*T639-6100
        !          1543: \&Middletown\*TMiddletown, NJ 07748\*T201\*T957-2000
        !          1544: \&Morris\*TMorristown, NJ 07960\*T201\*T898-1000
        !          1545: \&Murray Hill\*TMurray Hill, NJ 07974\*T201\*T582-3000
        !          1546: \&Parsippany\*TParsippany, NJ 07054\*T201\*T299-3000
        !          1547: \&Patriots Plaza\*TMorristown, NJ 07960\*T201\*T829-7200
        !          1548: \&Red Hill\*TMiddletown, NJ 07748\*T201\*T949-3000
        !          1549: \&Short Hills\*TShort Hills, NJ 07078\*T201\*T564-2000
        !          1550: \&Somerset\*TSomerset, NJ 08873\*T201\*T560-1300
        !          1551: \&Summit\*TSummit, NJ 07901\*T201\*T522-6555
        !          1552: \&Warren Service Center\*TWarren, NJ 07060\*T201\*T756-1527
        !          1553: \&West Long Branch\*TWest Long Branch, NJ 07764\*T201\*T870-7000
        !          1554: \&Whippany\*TWhippany, NJ 07981\*T201\*T386-3000
        !          1555: \&Woodhollow\*TParsippany, NJ 07054\*T201\*T581-3000
        !          1556: \&\*.TE
        !          1557: .ne 1.3i
        !          1558: .OU
        !          1559: .TS
        !          1560: expand;
        !          1561: c s s s
        !          1562: c c c c
        !          1563: l l n n.
        !          1564: New Jersey Bell Labs Locations
        !          1565: Name   Address Area Code       Phone
        !          1566: Chester        Chester, NJ 07930       201     879-3400
        !          1567: Corporate Park III     Somerset, NJ 08873      201     271-2300
        !          1568: Crawford Hill  Holmdel, NJ 07733       201     888-7000
        !          1569: ERC    Hopewell Township, NJ 08525     609     639-1234
        !          1570: Freehold       Freehold, NJ 07728      201     577-5000
        !          1571: Headquarters Plaza     Morristown, NJ 07960    201     898-6000
        !          1572: Holmdel        Holmdel, NJ 07733       201     834-1000
        !          1573: Knightsbridge  Piscataway, NJ 08854    201     457-2000
        !          1574: Liberty Corner Warren, NJ 07060        201     580-4000
        !          1575: Lincroft       Lincroft, NJ 07738      201     576-4000
        !          1576: MDC    Hopewell Township, NJ 08525     609     639-6100
        !          1577: Middletown     Middletown, NJ 07748    201     957-2000
        !          1578: Morris Morristown, NJ 07960    201     898-1000
        !          1579: Murray Hill    Murray Hill, NJ 07974   201     582-3000
        !          1580: Parsippany     Parsippany, NJ 07054    201     299-3000
        !          1581: Patriots Plaza Morristown, NJ 07960    201     829-7200
        !          1582: Red Hill       Middletown, NJ 07748    201     949-3000
        !          1583: Short Hills    Short Hills, NJ 07078   201     564-2000
        !          1584: Somerset       Somerset, NJ 08873      201     560-1300
        !          1585: Summit Summit, NJ 07901        201     522-6555
        !          1586: Warren Service Center  Warren, NJ 07060        201     756-1527
        !          1587: West Long Branch       West Long Branch, NJ 07764      201     870-7000
        !          1588: Whippany       Whippany, NJ 07981      201     386-3000
        !          1589: Woodhollow     Parsippany, NJ 07054    201     581-3000
        !          1590: .TE
        !          1591: .KE
        !          1592: .br
        !          1593: .ps 8
        !          1594: .vs 9p
        !          1595: .ne 5i
        !          1596: .IN
        !          1597: \&\*.TS
        !          1598: \&box;
        !          1599: \&cb   s   s   s
        !          1600: \&c | c | c   s
        !          1601: \&ltiw(1i) | ltw(2i) | lp8 | lw(1\*.6i)p8\*.
        !          1602: \&Some Interesting Places
        !          1603: \&_
        !          1604: \&Name\*TDescription\*TPractical Information
        !          1605: \&_
        !          1606: \&T{
        !          1607: \&American Museum of Natural History
        !          1608: \&T}\*TT{
        !          1609: \&The collections fill 11\*.5 acres (Michelin) or 25 acres (MTA)
        !          1610: \&of exhibition halls on four floors\*.  There is a full-sized replica
        !          1611: \&of a blue whale and the world's largest star sapphire (stolen in 1964)\*.
        !          1612: \&T}\*THours\*T10-5:45 S M Tu Th, 10-9 W Sat\*. Sun\*.
        !          1613: \&\e^\*T\e^\*TLocation\*TT{
        !          1614: \&Central Park West & 79th St\*.
        !          1615: \&T}
        !          1616: \&\e^\*T\e^\*TAdmission\*TDonation: $1\*.00 asked
        !          1617: \&\e^\*T\e^\*TSubway\*TAA to 81st St\*.
        !          1618: \&\e^\*T\e^\*TTelephone\*T212-769-5100
        !          1619: \&_
        !          1620: \&Bronx Zoo\*TT{
        !          1621: \&About a mile long and \*.6 mile wide, this is the largest zoo in America\*.
        !          1622: \&A lion eats 18 pounds
        !          1623: \&of meat a day while a sea lion eats 15 pounds of fish\*.
        !          1624: \&T}\*THours\*TT{
        !          1625: \&10-5 M-Sat, to 5:30 Sun
        !          1626: \&T}
        !          1627: \&\e^\*T\e^\*TLocation\*TT{
        !          1628: \&185th St\*. & Southern Blvd, the Bronx\*.
        !          1629: \&T}
        !          1630: \&\e^\*T\e^\*TAdmission\*T$3.75/1.50 adult/children; Tu,We,Th donation
        !          1631: \&\e^\*T\e^\*TSubway\*T2, 5 to East Tremont Ave\*.
        !          1632: \&\e^\*T\e^\*TTelephone\*T212-367-1010
        !          1633: \&_
        !          1634: \&Brooklyn Museum\*TT{
        !          1635: \&Five floors of galleries contain American and ancient art\*.
        !          1636: \&There are American period rooms and architectural ornaments saved
        !          1637: \&from wreckers, such as a classical figure from Pennsylvania Station\*.
        !          1638: \&T}\*THours\*T10-5, closed Tues
        !          1639: \&\e^\*T\e^\*TLocation\*TT{
        !          1640: \&Eastern Parkway & Washington Ave\*., Brooklyn\*.
        !          1641: \&T}
        !          1642: \&\e^\*T\e^\*TAdmission\*TFree
        !          1643: \&\e^\*T\e^\*TSubway\*T2,3 to Eastern Parkway\*.
        !          1644: \&\e^\*T\e^\*TTelephone\*T212-367-1010
        !          1645: \&_
        !          1646: \&T{
        !          1647: \&New-York Historical Society
        !          1648: \&T}\*TT{
        !          1649: \&All the original paintings for Audubon's
        !          1650: \&\*.I
        !          1651: \&Birds of America
        !          1652: \&\*.R
        !          1653: \&are here, as are exhibits of American decorative arts, New York history,
        !          1654: \&Hudson River school paintings, carriages, and glass paperweights\*.
        !          1655: \&T}\*THours\*TT{
        !          1656: \&Tues-Sun, 10-5
        !          1657: \&T}
        !          1658: \&\e^\*T\e^\*TLocation\*TT{
        !          1659: \&Central Park West & 77th St\*.
        !          1660: \&T}
        !          1661: \&\e^\*T\e^\*TAdmission\*TFree
        !          1662: \&\e^\*T\e^\*TSubway\*TAA to 81st St\*.
        !          1663: \&\e^\*T\e^\*TTelephone\*T212-873-3400
        !          1664: \&\*.TE
        !          1665: .BP
        !          1666: .ps \n(PS
        !          1667: .vs \n(VSp
        !          1668: .OU
        !          1669: .fi
        !          1670: .rr 10 11 12 13 14 15 16 17 18 19 20 21 22 98 99
        !          1671: .rr 60 61 62 63 64 65 66 67 68 69 70
        !          1672: .rr 43 44 45 46 47 48 49 50 51 52 53
        !          1673: .rr 83 84 85 86 87 88 89 90 91 92 93
        !          1674: .rr #a
        !          1675: .rr #b
        !          1676: .rr #c
        !          1677: .rr #d
        !          1678: .rr #e
        !          1679: .rr YY
        !          1680: .rr OJ
        !          1681: .rr P
        !          1682: .rr AV CW GW DW FL KN SJ A1 A2 A3 I1 I2 I3
        !          1683: .in 0
        !          1684: .hy 1
        !          1685: .1C
        !          1686: .TS
        !          1687: box;
        !          1688: cb   s   s   s
        !          1689: c | c | c   s
        !          1690: ltiw(1i) | ltw(2i) | lp8| lw(1.6i)p8.
        !          1691: Some Interesting Places
        !          1692: _
        !          1693: Name   Description     Practical Information
        !          1694: _
        !          1695: T{
        !          1696: American Museum of Natural History
        !          1697: T}     T{
        !          1698: The collections fill 11.5 acres (Michelin) or 25 acres (MTA)
        !          1699: of exhibition halls on four floors.  There is a full-sized replica
        !          1700: of a blue whale and the world's largest star sapphire (stolen in 1964).
        !          1701: T}     Hours   10-5:45 S M Tu Th, 10-9 W Sat. Sun.
        !          1702: \^     \^      Location        T{
        !          1703: Central Park West & 79th St.
        !          1704: T}
        !          1705: \^     \^      Admission       Donation: $1.00 asked
        !          1706: \^     \^      Subway  AA to 81st St.
        !          1707: \^     \^      Telephone       212-769-5100
        !          1708: _
        !          1709: Bronx Zoo      T{
        !          1710: About a mile long and .6 mile wide, this is the largest zoo in America.
        !          1711: A lion eats 18 pounds
        !          1712: of meat a day while a sea lion eats 15 pounds of fish.
        !          1713: T}     Hours   T{
        !          1714: 10-5 M-Sat, to 5:30 Sun
        !          1715: T}
        !          1716: \^     \^      Location        T{
        !          1717: 185th St. & Southern Blvd, the Bronx.
        !          1718: T}
        !          1719: \^     \^      Admission       $3.75/1.50 adult/children; Tu,We,Th donation
        !          1720: \^     \^      Subway  2, 5 to East Tremont Ave.
        !          1721: \^     \^      Telephone       212-367-1010
        !          1722: _
        !          1723: Brooklyn Museum        T{
        !          1724: Five floors of galleries contain American and ancient art.
        !          1725: There are American period rooms and architectural ornaments saved
        !          1726: from wreckers, such as a classical figure from Pennsylvania Station.
        !          1727: T}     Hours   10-5, closed Tues
        !          1728: \^     \^      Location        T{
        !          1729: Eastern Parkway & Washington Ave., Brooklyn.
        !          1730: T}
        !          1731: \^     \^      Admission       Free
        !          1732: \^     \^      Subway  2,3 to Eastern Parkway.
        !          1733: \^     \^      Telephone       718-638-5000
        !          1734: _
        !          1735: T{
        !          1736: New-York Historical Society
        !          1737: T}     T{
        !          1738: All the original paintings for Audubon's
        !          1739: .I
        !          1740: Birds of America
        !          1741: .R
        !          1742: are here, as are exhibits of American decorative arts, New York history,
        !          1743: Hudson River school paintings, carriages, and glass paperweights.
        !          1744: T}     Hours   T{
        !          1745: Tues-Sun, 10-5
        !          1746: T}
        !          1747: \^     \^      Location        T{
        !          1748: Central Park West & 77th St.
        !          1749: T}
        !          1750: \^     \^      Admission       Free
        !          1751: \^     \^      Subway  AA to 81st St.
        !          1752: \^     \^      Telephone       212-873-3400
        !          1753: .TE
        !          1754: .SP
        !          1755: .2C
        !          1756: .rr 40
        !          1757: .rr 41
        !          1758: .rr 42
        !          1759: .rr 43
        !          1760: .rr 80
        !          1761: .rr 81
        !          1762: .rr 82
        !          1763: .rr 83
        !          1764: .rr 60
        !          1765: .rr 61
        !          1766: .rr 62
        !          1767: .rr 63
        !          1768: .rr #a
        !          1769: .rr #b
        !          1770: .rr #c
        !          1771: .rr #d
        !          1772: .rr #e
        !          1773: .rr ##
        !          1774: .fi
        !          1775: .FC
        !          1776: .SP
        !          1777: .2C
        !          1778: .NH
        !          1779: Acknowledgments.
        !          1780: .PP
        !          1781: Many thanks are due to J. C. Blinn, who has done a large amount
        !          1782: of testing and assisted with the design of the program.
        !          1783: He has also written many of the more intelligible sentences
        !          1784: in this document and helped edit all of it.
        !          1785: All phototypesetting programs on
        !          1786: .UX
        !          1787: are dependent on the work
        !          1788: of the late J. F. Ossanna, whose assistance with this program in particular
        !          1789: had been most helpful.
        !          1790: This program is patterned on a table formatter originally
        !          1791: written by J. F. Gimpel.
        !          1792: The assistance of
        !          1793: T. A. Dolotta, B. W. Kernighan, and J. N. Sturman
        !          1794: is gratefully acknowledged.
        !          1795: .NH
        !          1796: References.
        !          1797: .LP
        !          1798: |reference_placement
        !          1799: .FC
        !          1800: .1C
        !          1801: .BP
        !          1802: .NH
        !          1803: List of Tbl Command Characters and Words
        !          1804: .LP
        !          1805: .EQ
        !          1806: delim $$
        !          1807: gfont roman
        !          1808: .EN
        !          1809: .TS
        !          1810: center;
        !          1811: cI cI cI
        !          1812: aFCW3 l n.
        !          1813: Command        Meaning Section
        !          1814: a A    Alphabetic subcolumn    2.2
        !          1815: allbox Draw box around all items       2.1
        !          1816: b B    Boldface item   2.2
        !          1817: box    Draw box around table   2.1
        !          1818: c C    Centered column 2.2
        !          1819: center Center table in page    2.1
        !          1820: delim(\fIxy\|\fP)      Set \fIeqn\fP delimiters        2.1
        !          1821: doublebox      Doubled box around table        2.1
        !          1822: e E    Equal width columns     2.2
        !          1823: expand Make table full line width      2.1
        !          1824: f F    Font change     2.2
        !          1825: i I    Italic item     2.2
        !          1826: l L    Left adjusted column    2.2
        !          1827: linesize(\fIn\|\fP)\ \         Set point size for drawing lines        2.1
        !          1828: n N    Numerical column        2.2
        !          1829: \fInnn\fR      Column separation       2.2
        !          1830: p P    Point size change       2.2
        !          1831: r R    Right adjusted column   2.2
        !          1832: s S    Spanned item    2.2
        !          1833: t T    Vertical spanning at top        2.2
        !          1834: tab(\fIx\|)    Change data separator character 2.1
        !          1835: T{ T}  Text block      2.3
        !          1836: u U    Staggered columns       2.2
        !          1837: v V    Vertical spacing change 2.2
        !          1838: w W    Minimum width value     2.2
        !          1839: z Z    Ignore width of data in this column     2.2
        !          1840: \&.\fIxx\fR    Included \fItroff\fR command    2.3
        !          1841: |      Vertical line   2.2
        !          1842: ||     Double vertical line    2.2
        !          1843: ^      Vertical span   2.2
        !          1844: \e^    Vertical span   2.3
        !          1845: \&=    Double horizontal line  2.3
        !          1846: \&_    Horizontal line 2.3
        !          1847: \e_    Short horizontal line   2.3
        !          1848: \&\eR\fIx\fR   Repeat character        2.3
        !          1849: .TE

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