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GROFF_MM(7)							   GROFF_MM(7)

NAME
       groff_mm	- groff	mm macros

SYNOPSIS
       groff -mm [ options...  ] [ files...  ]

DESCRIPTION
       The  groff  mm  macros  are  intended  to be compatible with the	DWB mm
       macros with the following limitations:

       +o      no Bell Labs localisms implemented.

       +o      the macros OK and	PM are not implemented.

       +o      groff mm does not	support	cut marks

       mm is intended to be international.  Therefore it is possible to	 write
       short  national	macrofiles  which  change all english text to the pre-
       ferred language.	 Use mmse as an	example.

       A file called locale or lang_locale is read after the initiation	of the
       global variables.  It is	therefore possible to localize the macros with
       companyname and so on.

       In this manual square brackets is used to show optional arguments.

       Number registers	and strings
       Many macros can be controlled by	number registers and strings.  A  num-
       ber register is assigned	with the nr command:
       .nr XXX [+-]n [i]
       XXX  is	the name of the	register, n is the value to be assigned, and i
       is increment value for auto-increment.  n can have a plus or minus sign
       as  prefix if an	increment or decrement of the current value is wanted.
       (Auto-increment or decrement occurs if the number register is used with
       a plus or minus sign, \n+[XXX] or \n-[XXX].)

       Strings is defined with ds.
       .ds YYY string
       The  string is assigned everything to the end of	the line, even blanks.
       Initial blanks in  string  should  be  prefixed	with  a	 double-quote.
       (Strings	are used in the	text as	\*[YYY].)

       Special formatting of number registers
       A  number  register is printed with normal digits if no format has been
       given.  Set the format with af:
       .af R c
       R is the	name of	the register, c	is the format.
       Form Sequence
       1    0, 1, 2, 3,	...
       001  000, 001, 002, 003,	...
       i    0, i, ii, iii, iv, ...
       I    0, I, II, III, IV, ...
       a    0, a, b, c,	..., z,	aa, ab,	...
       A    0, A, B, C,	..., Z,	AA, AB,	...

       Macros:

       )E level	text
	      Adds text	(heading-text) to the table  of	 contents  with	 level
	      either  0	 or between 1-7.  See also .H.	This macro is used for
	      customized table of contents.

       1C [1] Begin one	column processing.  An	1  as  argument	 disables  the
	      page-break.   Use	 wide  footnotes, small	footnotes may be over-
	      printed.

       2C     Begin two	column processing.  Splits the page  in	 two  columns.
	      It is a special case of MC.  See also 1C.

       AE     Abstract end, see	AS.

       AF [name	of firm]
	      Authors firm, should be called before AU,	see also COVER.

       AL [type	[text-indent [1]]]
	      Start  autoincrement list.  Items	are numbered beginning on one.
	      The type argument	controls the type of numbers.
	      Arg  Description
	      1	   Arabic (the default)
	      A	   Upper-case letters (A-Z)
	      a	   Lower-case letters (a-z)
	      I	   Upper-case roman
	      i	   Lower-case roman
	      Text-indent sets the indent and overrides	Li.  A third  argument
	      will prohibit printing of	a blank	line before each item.

       APP name	text
	      Begin  an	 appendix  with	name name.  Automatic naming occurs if
	      name is "".  The appendixes starts with A	if auto	is  used.   An
	      new page is ejected, and a header	is also	produced if the	number
	      variable Aph is non-zero.	 This is the  default.	 The  appendix
	      always appear in the 'List of contents' with correct pagenumber.
	      The name APPENDIX	can be changed by setting the  string  App  to
	      the desired text.	 The string Apptxt contains the	current	appen-
	      dix text.

       APPSK name pages	text
	      Same as .APP, but	the pagenr is incremented with pages.  This is
	      used when	diagrams or other non-formatted	documents are included
	      as appendixes.

       AS [arg [indent]]
	      Abstract start.  Indent is specified in 'ens',  but  scaling  is
	      allowed.	Argument arg controls where the	abstract is printed.
	      Arg  Placement
	      0	   Abstract  will  be printed on page 1	and on the cover sheet
		   if used in the released-paper style (MT  4),	 otherwise  it
		   will	be printed on page 1 without a cover sheet.
	      1	   Abstract  will  only	 be  printed  on the cover sheet (MT 4
		   only).
	      2	   Abstract will be printed only on  the  cover	 sheet	(other
		   than	 MT  4 only).  The cover sheet is printed without need
		   for CS.
	      Abstract is not printed at all in	external letters (MT 5).   The
	      indent  controls the indentation of both margins,	otherwise will
	      normal text indent be used.

       AST [title]
	      Abstract title.  Default is ABSTRACT.  Sets the text  above  the
	      abstract text.

       AT title1 [title2 ...]
	      Authors  title.	AT  must appear	just after each	AU.  The title
	      will show	up after the name in the signature block.

       AU [name	[initials [loc [dept [ext [room	[arg [arg [arg]]]]]]]]]
	      Author information, specifies the	author of the memo  or	paper,
	      and  will	 be  printed  on  the cover sheet and on other similar
	      places.  AU must not appear before TL.  The  author  information
	      can contain initials, location, department, telephone extension,
	      room number or name and up to three extra	arguments.

       AV [name	[1]]
	      Approval signature, generates an approval	line  with  place  for
	      signature	 and  date.   The string APPROVED: can be changed with
	      variable Letapp, and the string Date in Letdate.

       AVL [name]
	      Letter signature,	generates a line with place for	signature.

       B [bold-text [prev-font-text [bold...]]]
	      Begin boldface.  No limit	on the number of arguments.  All argu-
	      ments  will be concatenated to one word, the first, third	and so
	      on will be printed in boldface.

       B1     Begin box	(as the	ms macro).  Draws a box	around the text.   The
	      text  will  be indented one character, and the right margin will
	      be one character shorter.

       B2     End box.	Finish the box started by B1.

       BE     End bottom block,	see BS.

       BI [bold-text [italic-text [bold-text [...]]]]
	      Bold-italic.  No limit on	the number of arguments, see B.

       BL [text-indent [1]]
	      Start bullet list, initialize a list with	a bullet and  a	 space
	      in  the beginning	of each	list item (see LI).  Text-indent over-
	      rides the	default	indentation of the list	items  set  by	number
	      register Pi.  A third argument will prohibit printing of a blank
	      line before each item.

       BR [bold-text [roman-text [bold-text [...]]]]
	      Bold-roman.  No limit on the number of arguments.

       BS     Bottom block start.  Begins the definition of a text block which
	      is printed at the	bottom of each page.  Block ends with BE.

       BVL text-indent [mark-indent [1]]
	      Start  of	 broken	variable-item list.  Broken variable-item list
	      has no fixed mark, it assumes that every LI has a	mark  instead.
	      The  text	 will  always  begin  at the next line after the mark.
	      Text-indent sets the indent to the  text,	 and  mark-indent  the
	      distance	from the current indent	to the mark.  A	third argument
	      will prohibit printing of	a blank	line before each item.

       COVER [arg]
	      COVER begins a coversheet	 definition.   It  is  important  that
	      .COVER appears before any	normal text.  .COVER uses arg to build
	      the filename /usr/share/tmac/mm/arg.cov.	Therefore it is	possi-
	      ble  to  create  unlimited types of coversheets.	ms.cov is sup-
	      posed to look like the ms	coversheet.  .COVER requires a .COVEND
	      at the end of the	coverdefinition.  Always use this order	of the
	      covermacros:
	      .COVER
	      .TL
	      .AF
	      .AU
	      .AT
	      .AS
	      .AE
	      .COVEND
	      However, only .TL	and .AU	are required.

       COVEND This finish the cover description	and prints the cover-page.  It
	      is defined in the	cover file.

       DE     Display end.  Ends a block of text, display, that	begins with DS
	      or DF.

       DF [format [fill	[rindent]]]
	      Begin floating display (no nesting allowed).  A floating display
	      is  saved	 in a queue and	is printed in the order	entered.  For-
	      mat, fill	and rindent is the same	as in DS.   Floating  displays
	      are controlled by	the two	number registers De and	Df.

	      De register
	      0	   Nothing special, this is the	default.
	      1	   A  page eject will occur after each printed display,	giving
		   only	one display per	page and no text following it.

	      Df register
	      0	   Displays are	printed	at the end of each section (when  sec-
		   tion-page  numbering	 is active) or at the end of the docu-
		   ment.
	      1	   A new display will be printed on the	current	page if	 there
		   is enough space, otherwise it will be printed at the	end of
		   the document.
	      2	   One display will be printed at the top of each page or col-
		   umn (in multi-column	mode).
	      3	   Print  one  display if there	is enough space	for it,	other-
		   wise	it will	be printed at the top of the next page or col-
		   umn.
	      4	   Print  as many displays that	will fit in a new page or col-
		   umn.	 A page	break will occur between each display if De is
		   not zero.
	      5	   Fill	 the current page with displays	and the	rest beginning
		   at a	new page or column.  (This is the  default.)   A  page
		   break will occur between each display if De is not zero.

       DL [text-indent [1 [1]]]
	      Dash list	start.	Begins a list where each item is printed after
	      a	dash.  Text-indent changes the default indentation of the list
	      items set	by number register Pi.	A second argument prevents the
	      empty line between each list item	to be  printed.	  See  LI.   A
	      third  argument  will  prohibit  printing	of a blank line	before
	      each item.

       DS [format [fill	[rindent]]]
	      Static display start.  Begins collection of text until DE.   The
	      text  is	printed	together on the	same page, unless it is	longer
	      than the height of the page.  DS can be nested  to  a  unlimited
	      depth (reasonably	:-).

	      format
	      ""   No indentation.
	      none No indentation.
	      L	   No indentation.
	      I	   Indent text with the	value of number	register Si.
	      C	   Center each line
	      CB   Center the whole display as a block.
	      R	   Right adjust	the lines.
	      RB   Right adjust	the whole display as a block

	      L, I, C and CB can also be specified as 0, 1, 2 or 3 for compat-
	      ibility reasons.	(Don't use it. :-)

	      fill
	      ""   Line-filling	turned off.
	      none Line-filling	turned off.
	      N	   Line-filling	turned off.
	      F	   Line-filling	turned on.

	      N	and F can also be specified as 0 or 1.	 An  empty  line  will
	      normally	be printed before and after the	display.  Setting num-
	      ber register Ds to 0 will	prevent	this.	Rindent	 shortens  the
	      line length by that amount.

       EC [title [override [flag [refname]]]]
	      Equation	title.	 Sets  a  title	for an equation.  The override
	      argument change the numbering.

	      flag
	      none override is a prefix	to the number.
	      0	   override is a prefix	to the number.
	      1	   override is a suffix	to the number.
	      2	   override replaces the number.
	      EC uses the number register Ec as	counter.  It  is  possible  to
	      use  .af to change the format of the number.  If number register
	      Of is 1, then the	format of title	will use a dash	instead	 of  a
	      dot after	the number.
	      The  string  Le  controls	 the  title  of	the List of Equations,
	      default is LIST OF EQUATIONS.  The List of Equations  will  only
	      be  printed  if  number register Le is 1,	default	0.  The	string
	      Liec contains the	word Equation, wich is printed before the num-
	      ber.  If refname is used,	then the equation number is saved with
	      .SETR, and can be	retrieved with .GETST refname.
	      Special handling of the title will occur if EC  is  used	inside
	      DS/DE, it	will not be affected by	the format of DS.

       EF [arg]
	      Even-page	 footer,  printed just above the normal	page footer on
	      even pages, see PF.

       EH [arg]
	      Even-page	header,	printed	just below the normal page  header  on
	      even pages, see PH.

       EN     Equation end, see	EQ.

       EOP    End  of  page  user-defined  macro.   This  macro	will be	called
	      instead of the normal printing of	the footer.  The macro will be
	      executed	in  a  separate	 environment, without any trap active.
	      See TP.

	      Strings available	to EOP
	      EOPf Argument from PF.
	      EOPefArgument from EF.
	      EOPofArgument from OF.

       EPIC [-L] width height [name]
	      EPIC draws a box with the	given width and	height,	it  will  also
	      print  the  text	name or	a default string if name is not	speci-
	      fied..  This is used to include external pictures, just give the
	      size  of	the  picture.	-L  will  leftadjust  the picture, the
	      default is to center adjust.  See	PIC

       EQ [label]
	      Equation start.  EQ/EN are the delimiters	for equations  written
	      for  eqn.	  EQ/EN	must be	inside a DS/DE-pair, except when EQ is
	      only used	to set options in eqn.	The label will appear  at  the
	      right  margin  of	 the equation, unless number register Eq is 1.
	      Then the label will appear at the	left margin.

       EX [title [override [flag [refname]]]]
	      Exhibit title, arguments are the same as for EC.	 EX  uses  the
	      number register Ex as counter.  The string Lx controls the title
	      of the List of Exhibits, default is LIST OF EXHIBITS.  The  List
	      of  Exhibits  will  only	be printed if number register Lx is 1,
	      default 1.  The string Liex contains the word Exhibit, which  is
	      printed before the number.  If refname is	used, then the exhibit
	      number is	saved with .SETR, and can  be  retrieved  with	.GETST
	      refname.
	      Special  handling	 of  the title will occur if EX	is used	inside
	      DS/DE, it	will not be affected by	the format of DS.

       FC [closing]
	      Prints Yours very	truly, as a formal closing of a	letter or mem-
	      orandum.	The argument replaces the defualt string.  The default
	      is stored	in string variable Letfc.

       FD [arg [1]]
	      Footnote default format.	 Controls  the	hyphenation  (hyphen),
	      right  margin  justification  (adjust),  indentation of footnote
	      text (indent).  It  can  also  change  the  label	 justification
	      (ljust).

	      arg  hyphen  adjust  indent  ljust
	      0	   no	   yes	   yes	   left
	      1	   yes	   yes	   yes	   left
	      2	   no	   no	   yes	   left
	      3	   yes	   no	   yes	   left
	      4	   no	   yes	   no	   left
	      5	   yes	   yes	   no	   left
	      6	   no	   no	   no	   left
	      7	   yes	   no	   no	   left
	      8	   no	   yes	   yes	   right
	      9	   yes	   yes	   yes	   right
	      10   no	   no	   yes	   right
	      11   yes	   no	   yes	   right

	      Argument	greater	 than  or  equal to 11 is considered as	arg 0.
	      Default for mm is	10.

       FE     Footnote end.

       FG [title [override [flag [refname]]]]
	      Figure title, arguments are the same as for  EC.	 FG  uses  the
	      number register Fg as counter.  The string Lf controls the title
	      of the List of Figures, default is LIST OF FIGURES.  The List of
	      Figures will only	be printed if number register Lf is 1, default
	      1.  The string Lifg contains the word Figure,  wich  is  printed
	      before  the  number.  If refname is used,	then the figure	number
	      is saved with .SETR, and can be retrieved	with .GETST refname.
	      Special handling of the title will occur if FG  is  used	inside
	      DS/DE, it	will not be affected by	the format of DS.

       FS [label]
	      Footnote start.  The footnote is ended by	FE.  Footnotes is nor-
	      mally automatically numbered, the	number is available in	string
	      F.   Just	 add \*F in the	text.  By adding label,	it is possible
	      to have other number or names on the  footnotes.	 Footnotes  in
	      displays	is  now	 possible.  An empty line separates footnotes,
	      the height of the	line is	 controlled  by	 number	 register  Fs,
	      default value is 1.

       GETHN refname [varname]
	      Includes	the  headernumber where	the corresponding SETR refname
	      was placed.  Will	be X.X.X. in pass 1.  See INITR.   If  varname
	      is used, GETHN sets the stringvariable varname to	the headernum-
	      ber.

       GETPN refname [varname]
	      Includes the pagenumber where the	corresponding SETR refname was
	      placed.	Will  be  9999	in  pass 1.  See INITR.	 If varname is
	      used, GETPN sets the stringvariable varname to the pagenumber.

       GETR refname
	      Combines GETHN and GETPN with the	text 'chapter' and  ',	page'.
	      The string Qrf contains the text for reference:
		   .ds Qrf See chapter \\*[Qrfh], page \\*[Qrfp].
	      Qrf may be changed to support other languages.  Strings Qrfh and
	      Qrfp are set by GETR and contains	the page and headernumber.

       GETST refname [varname]
	      Includes the string saved	with the  second  argument  to	.SETR.
	      Will  be	dummystring in pass 1.	If varname is used, GETST sets
	      the stringvariable varname to the	saved string.  See INITR.

       H level [heading-text [heading-suffix]]
	      Numbered section heading.	 Section  headers  can	have  a	 level
	      between  1  and 14, level	1 is the top level.  The text is given
	      in heading-text, and must	be surrounded by double	quotes	if  it
	      contains	spaces.	  Heading-suffix is added to the header	in the
	      text but not in the table	of contents.  This  is	normally  used
	      for  footnote  marks and similar things.	Don't use \*F in head-
	      ing-suffix, it won't work.  A manual label must be used, see FS.

	      An eventual paragraph, P,	directly after H will be ignored, H is
	      taking care of spacing and indentation.

	      Page ejection before heading
	      Number register Ej controls page ejection	 before	 the  heading.
	      Normally,	 a  level  one heading gets two	blank lines before it,
	      higher levels gets only one.  A new page is ejected before  each
	      first-level  heading  if	number	register  Ej is	1.  All	levels
	      below or equal the value of Ej gets a new	page.	Default	 value
	      for Ej is	0.

	      Heading break level
	      A	 line  break  occurs after the heading if the heading level is
	      less or equal to number register Hb.  Default value 2.

	      Heading space level
	      A	blank line is inserted after the heading if the	heading	 level
	      is less or equal to number register Hs.  Default value 2.

	      Text  will  follow  the heading on the same line if the level is
	      greater than both	Hb and Hs.

	      Post-heading indent
	      Indentation of the text after the	heading	is controlled by  num-
	      ber register Hi, default value 0.

	      Hi
	      0	   The text will be left-justified.
	      1	   Indentation	of  the	 text  will follow the value of	number
		   register Pt,	see P.
	      2	   The text will be lined up with the first word of the	 head-
		   ing.

	      Centered section headings
	      All  headings  whose  level is equal or below number register Hc
	      and also less than or equal to Hb	or Hs is centerered.

	      Font control of the heading
	      The font of each heading level is	controlled by string  HF.   It
	      contains	a  fontnumber  or fontname for each level.  Default is
	      2	2 2 2 2	2 2 2 2	2 2 2 2	2 (all	headings  in  italic).	 Could
	      also  be written as I I I	I I I I	I I I I	I I I.	Note that some
	      other implementations use	3 3 2 2	2 2 2 as  the  default	value.
	      All omitted values are presumed to be a 1.

	      Point size control.
	      String  HP  controls  the	pointsize of each heading, in the same
	      way as HF	controls the font.  A value of 0 selects  the  default
	      point   size.   Default  value  is  0 0 0	0 0 0 0	0 0 0 0	0 0 0.
	      Beware that only the point size changes, not the vertical	 size.
	      That can be controlled by	the user specified macro HX and/or HZ.

	      Heading counters
	      Fourteen number  registers,  named  H1  thru  H14	 contains  the
	      counter  for  each  heading level.  The values are printed using
	      arabic numerals, this can	be changed  with  the  macro  HM  (see
	      below).	All  marks are concatenated before printing.  To avoid
	      this, set	number register	Ht to 1.  That	will  only  print  the
	      current heading counter at each heading.

	      Automatic	table of contents
	      All headings whose level is equal	or below number	register Cl is
	      saved to be printed in the table	of  contents.	Default	 value
	      is 2.

	      Special control of the heading, user-defined macros.
	      These  macros  can be defined by the user	to get a finer control
	      of vertical spacing, fonts or other features.  Argument level is
	      the level-argument to H, but 0 for unnumbered headings (see HU).
	      Argument rlevel is the real level, it is set to number  register
	      Hu  for  unnumbered headings.  Argument heading-text is the text
	      argument to H and	HU.

	      HX level rlevel heading-text
	      HX is called just	before the printing of the heading.  The  fol-
	      lowing  register	is  available for HX.  HX may alter }0,	}2 and
	      ;3.
	      string }0
		   Contains the	heading	mark plus two spaces if	rlevel is non-
		   zero, otherwise empty.
	      register ;0
		   Contains  the  position  of	the text after the heading.  0
		   means that the text should follow the heading on  the  same
		   line,  1  means  that  a line break should occur before the
		   text	and 2 means that a  blank  line	 should	 separate  the
		   heading and the text.
	      string }2
		   Contains  two  spaces  if  register ;0 is 0.	 It is used to
		   separate the	heading	from the text.	The string is empty if
		   ;0 is non-zero.
	      register ;3
		   Contains  the  needed  space	 in  units  after the heading.
		   Default is 2v.

		   Can be used to change things	like numbering (}0),  vertical
		   spacing (}2)	and the	needed space after the heading.

	      HY dlevel	rlevel heading-text
	      HY  is called after size and font	calculations and might be used
	      to change	indentation.

	      HZ dlevel	rlevel heading-text
	      HZ is called after the printing of the heading, just before H or
	      HU  exits.  Could	be used	to change the page header according to
	      the section heading.

       HC [hyphenation-character]
	      Set hyphenation character.  Default value	is \%.	Resets to  the
	      default  if  called without argument.  Hyphenation can be	turned
	      off by setting number register Hy	to 0 in	the beginning  of  the
	      file.

       HM [arg1	[arg2 [... [arg14]]]]
	      Heading  mark  style.  Controls the type of marking for printing
	      of the heading counters.	Default	is 1 for all levels.

	      Argument
	      1	   Arabic numerals.
	      0001 Arabic numerals with	leading	zeroes,	one or more.
	      A	   Upper-case alphabetic
	      a	   Lower-case alphabetic
	      I	   Upper-case roman numerals
	      i
		   lower-case roman numerals
	      emptyArabic numerals.

       HU heading-text
	      Unnumbered section header.  HU behavies like H at	the  level  in
	      number register Hu.  See H.

       HX dlevel rlevel	heading-text
	      Userdefined  heading  exit.   Called  just  before  printing the
	      header.  See H.

       HY dlevel rlevel	heading-text
	      Userdefined heading  exit.   Called  just	 before	 printing  the
	      header.  See H.

       HZ dlevel rlevel	heading-text
	      Userdefined  heading  exit.   Called  just  after	 printing  the
	      header.  See H.

       I [italic-text [prev-font-text [italic-text [...]]]]
	      Italic.  Changes the font	to italic if called without arguments.
	      With  one	 argument  it  will  set the word in italic.  With two
	      argument it will concatenate them	and  set  the  first  word  in
	      italic  and  the second in the previous font.  There is no limit
	      on the number of argument, all will be concatenated.

       IA [addressee-name [title]]
	      Begins specification of the addressee and	addressee's address in
	      letter  style.  Several names can	be specified with empty	IA/IE-
	      pairs, but only one address.  See	LT.

       IB [italic-text [bold-text [italic-text [...]]]]
	      Italic-bold.  Even arguments is printed in italic, odd in	 bold-
	      face.  See I.

       IE     Ends the address-specification after IA.

       INITI type filename [macro]
	      Initialize  the  new  index system, sets the filename to collect
	      index lines in with IND.	Argument  type	selects	 the  type  of
	      index, page number, header marks or both.	 The default is	N.

	      It  is  also  possible to	create a macro that is responsible for
	      formatting each row.  Add	the name of the	macro  as  argument 3.
	      The macro	will be	called with the	index as argument(s).

	      type
	      N	   Page	numbers
	      H	   Header marks
	      B	   Both	page numbers and header	marks, tab separated

       INITR filename
	      Initialize  the  refencemacros.	References  will be written to
	      stderr and is supposed to	be written to filename.qrf.   Requires
	      two  passes  with	 groff,	 this is handled by a separate program
	      called mmroff, the reason	is that	groff is often installed with-
	      out  the unsafe operations that INITR requiered.	The first pass
	      looks for	references and the second one  includes	 them.	 INITR
	      can  be  used several times, but it is only the first occurrence
	      of INITR that is active.

	      See also SETR, GETPN and GETHN.

       IND arg1	[arg2 [...]]
	      IND writes a line	in the index file selected by INITI  with  all
	      arguments	 and the page number or	header mark separated by tabs.
		   Examples
		   arg1\tpage number
		   arg1\targ2\tpage number
		   arg1\theader	mark
		   arg1\tpage number\theader mark

       INDP   INDP prints the index by running the command specified by	string
	      variable Indcmd, normally	sort -t\t.  INDP reads the output from
	      the command to form the index, normally in two columns  (can  be
	      changed  by  defining  TYIND).  The index	is printed with	string
	      variable Index as	header,	default	is INDEX.  One-column process-
	      ing is returned after the	list.  INDP will call the user-defined
	      macros TXIND, TYIND and  TZIND  if  defined.   TXIND  is	called
	      before  printing	INDEX,	TYIND  is  called  instead of printing
	      INDEX.  TZIND is called after the	printing and should take  care
	      of restoring to normal operation again.

       ISODATE [0]
	      ISODATE  changes the predefined date string in DT	to ISO-format,
	      ie YYYY-MM-DD.  This can also be done by adding -rIso=1  on  the
	      command line.  Reverts to	old date format	if argument is 0.

       IR [italic-text [roman-text [italic-text	[...]]]]
	      Italic-roman.   Even  arguments  is  printed  in	italic,	odd in
	      roman.  See I.

       LB text-indent mark-indent pad type [mark [LI-space [LB-space]]]
	      List begin macro.	 This is the common macro used for all	lists.
	      Text-indent  is the number of spaces to indent the text from the
	      current indent.

	      Pad and mark-indent controls where to put	the mark.  The mark is
	      placed  within the mark area, and	mark-indent sets the number of
	      spaces before this area.	It is normally 0.  The mark area  ends
	      where  the  text	begins.	  The  start of	the text is still con-
	      trolled by text-indent.

	      The mark is left justified whitin	the mark area if pad is	0.  If
	      pad is greater than 0, then mark-indent is ignored, and the mark
	      is placed	pad spaces before the text.  This will	right  justify
	      the mark.

	      If  type	is 0 the list will have	either a hanging indent	or, if
	      argument mark is given, the string mark as mark.

	      If type is greater than 0	automatic numbering will occur,	arabic
	      if mark is empty.	 Mark can then be any of 1, A, a, I or i.

	      Type selects one of six possible ways to display the mark.
	      type
	       1    x.
	       2    x)
	       3    (x)
	       4    [x]
	       5    <x>
	       6    {x}

	      Every  item  in the list will get	LI-space number	of blank lines
	      before them.  Default is 1.

	      LB itself	will print LB-space blank lines.  Default is 0.

       LC [list-level]
	      List-status clear.  Terminates all current active	lists down  to
	      list-level,  or 0	if no argmuent is given.  This is used by H to
	      clear any	active list.

       LE [1] List end.	 Terminate the current list.  LE outputs a blank  line
	      if an argument is	given.

       LI [mark	[1]]
	      List  item  precedes  every item in a list.  Without argument LI
	      will print the mark determined by	the  current  list  type.   By
	      giving  LI  one  argument, it will use that as the mark instead.
	      Two arguments to LI will make mark a prefix to the current mark.
	      There  will  be  no  separating space between the	prefix and the
	      mark if the second argument is 2 instead of 1.   This  behaviour
	      can  also	 be achieved by	setting	number register	Limsp to zero.
	      A	zero length mark will make a hanging indent instead.

	      A	blank line is normally printed before the list item.  This be-
	      haviour  can  be	controlled by number register Ls.  Pre-spacing
	      will occur for  each  list-level	less  than  or	equal  to  Ls.
	      Default value is 99.  (Nesting of	lists is unlimited. :-)

	      The indentation can be changed thru number register Li.  Default
	      is 6.

	      All lists	begins with a list initialization  macro,  LB.	 There
	      are, however, seven predefined listtypes to make lists easier to
	      use.  They all call LB with different default values.
	      AL   Automatically Incremented List
	      ML   Marked List
	      VL   Variable-Item List
	      BL   Bullet List
	      DL   Dash	List
	      RL   Reference List
	      BVL  Broken Varable List.
	      These lists are described	at other places	in this	 manual.   See
	      also LB.

       LT [arg]
	      Formats  a  letter  in one of four different styles depending on
	      the argument.  See also INTERNALS.
	      Arg  Style
	      BL   Blocked.  Date line,	return address,	writer's  address  and
		   closing  begins at the center of the	line.  All other lines
		   begin at the	left margin.
	      SB   Semi-blocked.  Same as blocked, except that the first  line
		   in every paragraph is indented five spaces.
	      FB   Full-blocked.  All lines begin at the left margin.
	      SP   Simplified.	 Almost	 the  same  as the full-blocked	style.
		   Subject and the writer's identification are printed in all-
		   capital.

       LO type [arg]
	      Specify  options	in  letter  (see  .LT).	 This is a list	of the
	      standard options:
	      CN   Confidential	notation.  Prints CONFIDENTIAL on  the	second
		   line	 below the date	line.  Any argument replaces CONFIDEN-
		   TIAL.  See also string variable LetCN.
	      RN   Reference notation.	Prints In reference to:	and the	 argu-
		   ment	 two lines below the date line.	 See also string vari-
		   able	LetRN.
	      AT   Attention.  Prints ATTENTION: and the  argument  below  the
		   inside address.  See	also string variable LetAT.
	      SA   Salutation.	Prints To Whom It May Concern: or the argument
		   if it was present.  The salutation  is  printed  two	 lines
		   below  the inside address.  See also	string variable	LetSA.
	      SJ   Subject line.  Prints the argument as subject prefixed with
		   SUBJECT: two	lines below the	inside address,	except in let-
		   ter type SP.	 Then the subject is  printed  in  all-captial
		   without any prefix.	See also string	variable LetSJ.

       MC column-size [column-separation]
	      Begin multiple columns.  Return to normal	with 1C.  MC will cre-
	      ate as many columns as the current line length permits.  Column-
	      size  is	the width of each column, and column-separation	is the
	      space between two	columns.  Default separation  is  the  column-
	      size/15.	See also 1C.

       ML mark [text-indent [1]]
	      Marked  list  start.   The  mark argument	will be	printed	before
	      each list	item.  Text-indent sets	the indent and	overrides  Li.
	      A	 third	argument will prohibit printing	of a blank line	before
	      each item.

       MT [arg [addressee]]
	      Memorandum  type.	  The  arg  is	 part	of   a	 filename   in
	      /usr/share/tmac/mm/*.MT.	 Memorandum  type  0  thru  5 are sup-
	      ported, including	"string".  Addressee  just  sets  a  variable,
	      used in the AT&T macros.
	      arg
	      0	   Normal memorandum, no type printed
	      1	   Memorandum with MEMORANDUM FOR FILE printed
	      2	   Memorandum with PROGRAMMER'S	NOTES printed
	      3	   Memorandum with ENGINEER'S NOTES printed
	      4	   Released paper style
	      5	   External letter style
	      See also COVER/COVEND, a more flexible type of front page.

       MOVE y-pos [x-pos [line-length]]
	      Move  to a position, pageoffset set to x-pos.  If	line-length is
	      not given, the difference	between	current	and new	pageoffset  is
	      used.  Use PGFORM	without	arguments to return to normal.

       MULB cw1	space1 [cw2 space2 [cw3	...]]
	      Begin  a special multi-column mode.  Every columns width must be
	      specified.  Also the space between the columns  must  be	speci-
	      fied.  The last column does not need any space-definition.  MULB
	      starts a diversion and MULE ends the diversion  and  prints  the
	      columns.	 The unit for width and	space is 'n', but MULB accepts
	      all normal unitspecifications like 'c' and 'i'.	MULB  operates
	      in a separate environment.

       MULN   Begin the	next column.  This is the only way to switch column.

       MULE   End the multi-column mode	and print the columns.

       nP [type]
	      Print numbered paragraph with header level two.  See .P.

       NCOL   Force  printing to the next column, don't	use this together with
	      the MUL* macros, see 2C.

       NS [arg [1]]
	      Prints different	types  of  notations.	The  argument  selects
	      between  the  predefined type of notations.  If the second argu-
	      ment is available, then the argument becomes  the	 entire	 nota-
	      tion.   If the argument doesn't exist in the predefined, it will
	      be printed as Copy (arg) to.  It is possible to add  more	 stan-
	      dard notations, see the string variable Letns and	Letnsdef.
	      Arg  Notation
	      none Copy	To
	      ""   Copy	To
	      1	   Copy	To (with att.) to
	      2	   Copy	To (without att.) to
	      3	   Att.
	      4	   Atts.
	      5	   Enc.
	      6	   Encs.
	      7	   Under separate cover
	      8	   Letter to
	      9	   Memorandum to
	      10   Copy	(with atts.) to
	      11   Copy	(without atts.)	to
	      12   Abstract Only to
	      13   Complete Memorandum to
	      14   CC

       ND new-date
	      New  date.   Override  the current date.	Date is	not printed if
	      new-date is an empty string.

       OF [arg]
	      Odd-page footer, a line printed just above  the  normal  footer.
	      See EF and PF.

       OH [arg]
	      Odd-page	header,	 a  line printed just below the	normal header.
	      See EH and PH.

       OP     Make sure	that the following text	is printed at the  top	of  an
	      odd-numbered  page.   Will not output an empty page if currently
	      at the top of an odd page.

       P [type]
	      Begin new	paragraph.  P without argument will produce left  jus-
	      tified  text, even the first line	of the paragraph.  This	is the
	      same as setting type to 0.  If the argument is 1,	then the first
	      line  of text following P	will be	indented by the	number of spa-
	      ces in number register Pi, normally 5.

	      Instead of giving	1 as argument to P it is possible to  set  the
	      paragraph	type in	number register	Pt.  Using 0 and 1 will	be the
	      same as adding that value	to P.  A value of 2  will  indent  all
	      paragraphs, except after headings, lists and displays.

	      The  space between two paragraphs	is controlled by number	regis-
	      ter Ps, and is 1 by default (one blank line).

       PGFORM [linelength [pagelength [pageoffset [1]]]]
	      Sets linelength, pagelength and/or pageoffset.  This  macro  can
	      be  used for special formatting, like letterheads	and other.  It
	      is normally the first command in a file, though it's not	neces-
	      sary.   PGFORM can be used without arguments to reset everything
	      after a MOVE.  A line-break is done unless the  fourth  argument
	      is given.	 This can be used to avoid the pagenumber on the first
	      page while setting new width and length.	(It seems as  if  this
	      macro  sometimes	doesn't	 work  too well.  Use the command line
	      arguments	 to  change  linelength,  pagelength  and   pageoffset
	      instead.	Sorry.)

       PGNH   No  header  is printed on	the next page.	Used to	get rid	of the
	      header in	letters	or other special texts.	 This  macro  must  be
	      used  before  any	 text  to  inhibit the pageheader on the first
	      page.

       PIC [-L]	[-C] [-R] [-I n] filename [width [height]]
	      PIC includes a Postscript	 file  in  the	document.   The	 macro
	      depends  on  mmroff  and INITR.  -L, -C, -R and -I n adjusts the
	      picture or indents it.  The optionally width and height can also
	      be given to resize the picture.

       PE     Picture end.  Ends a picture for pic, see	the manual for pic.

       PF [arg]
	      Page  footer.   PF  sets the line	to be printed at the bottom of
	      each page.  Normally empty.  See PH for the argument  specifica-
	      tion.

       PH [arg]
	      Page  header, a line printed at the top of each page.  The argu-
	      ment  should  be	specified  as	"'left-part'center-part'right-
	      part'", where left-, center- and right-part is printed left-jus-
	      tified, centered	and  right  justified.	 The  character	 %  is
	      changed  to the current page number.  The	default	page-header is
	      "''- % -''", the page number between two dashes.

       PS     Picture start (from pic).	 Begins	a picture  for	pic,  see  the
	      manual.

       PX     Page-header  user-defined	 exit.	 PX  is	 called	just after the
	      printing of the page header in no-space mode.

       R      Roman.  Return to	roman font, see	also I.

       RB [roman-text [bold-text [roman-text [...]]]]
	      Roman-bold.  Even	arguments is printed in	roman,	odd  in	 bold-
	      face.  See I.

       RD [prompt [diversion [string]]]
	      Read  from  standard input to diversion and/or string.  The text
	      will be saved in a diversion named diversion.  Recall  the  text
	      by  writing  the	name  of the diversion after a dot on an empty
	      line.  A string will also	be defined if string is	given.	Diver-
	      sion and/or prompt can be	empty ("").

       RF     Reference	 end.  Ends a reference	definition and returns to nor-
	      mal processing.  See RS.

       RI [roman-text [italic-text [roman-text [...]]]]
	      Even arguments are printed in roman, odd in italic.  See I.

       RL [text-indent [1]]
	      Reference	list start.  Begins a list where each item is preceded
	      with a automatically incremented number between square brackets.
	      Text-indent changes the default indentation.

       RP [arg1	[arg2]]
	      Produce reference	page.  RP can be used if a reference  page  is
	      wanted  somewhere	 in  the  document.  It	is not needed if TC is
	      used to produce a	table of content.   The	 reference  page  will
	      then be printed automatically.

	      The reference counter will not be	reset if arg1 is 1.

	      Arg2 tells RP whether to eject a page or not.
	      Arg2
	      0	   The	reference  page	 will  be  printed on a	separate page.
		   This	is the default.
	      1	   Do not eject	page after the list.
	      2	   Do not eject	page before the	list.
	      3	   Do not eject	page before and	after the list.
	      The reference items will be separated by a blank line.   Setting
	      number register Ls to 0 will suppress the	line.

	      The  string Rp contains the reference page title and is normally
	      set to REFERENCES.

       RS [string-name]
	      RS begins	an automatically numbered reference  definition.   Put
	      the  string  \*(Rf  where	the reference mark should be and write
	      the reference between RS/RF at next new line after the reference
	      mark.  The reference number is stored in number register :R.  If
	      string-name is given, a string with that name  will  be  defined
	      and  contain the current reference mark.	The string can be ref-
	      erenced as \*[string-name] later in the text.

       S [size [spacing]]
	      Set point	size and vertical spacing.  If any argument  is	 equal
	      'P',  then  the  previous	 value	is  used.  A 'C' means current
	      value, and 'D' default value.  If	'+' or '-' is used before  the
	      value,  then increment or	decrement of the current value will be
	      done.

       SA [arg]
	      Set  right-margin	 justification.	  Justification	 is   normally
	      turned  on.   No	argumenent  or	0 turns	off justification, a 1
	      turns on justification.

       SETR refname [string]
	      Remember the current header and page-number as  refname.	 Saves
	      string  if  string is defined.  string is	retrieved with .GETST.
	      See INITR.

       SG [arg [1]]
	      Signature	line.  Prints the authors  name(s)  after  the	formal
	      closing.	 The  argument will be appended	to the reference data,
	      printed at either	the first or last author.  The reference  data
	      is the location, department and initials specified with .AU.  It
	      will be printed at the first author if the  second  argument  is
	      given, otherwise at the last.  No	reference data will be printed
	      if the author(s) is specifed thru	.WA/.WE.  See INTERNALS.

       SK [pages]
	      Skip pages.  If pages is 0 or omitted, a skip to the  next  page
	      will occur unless	it is already at the top of a page.  Otherwise
	      it will skip pages pages.

       SM string1 [string2 [string3]]
	      Make a string smaller.  If string2 is  given,  string1  will  be
	      smaller  and  string2  normal,  concatenated with	string1.  With
	      three argument, all is concatenated, but only  string2  is  made
	      smaller.

       SP [lines]
	      Space  vertically.  lines	can have any scalingfactor, like 3i or
	      8v.  Several SP in a line	will only produce the  maximum	number
	      of  lines, not the sum.  SP will also be ignored until the first
	      textline in a page.  Add a \& before SP to avoid this.

       TAB    reset tabs to every 5n.  Normally	used  to  reset	 any  previous
	      tabpositions.

       TB [title [override [flag [refname]]]]
	      Table title, arguments are the same as for EC.  TB uses the num-
	      ber register Tb as counter.  The string Lt controls the title of
	      the  List	 of  Tables,  default  is LIST OF TABLES.  The List of
	      Tables will only be printed if number register Lt	is 1,  default
	      1.   The	string	Litb  contains the word	TABLE, wich is printed
	      before the number.
	      Special handling of the title will occur if TB  is  used	inside
	      DS/DE, it	will not be affected by	the format of DS.

       TC [slevel [spacing [tlevel [tab	[h1 [h2	[h3 [h4	[h5]]]]]]]]]
	      Table of contents.  This macro is	normally used at the last line
	      of the document.	It generates a table of	contents with headings
	      up  to the level controlled by number register Cl.  Note that Cl
	      controls the saving of headings, it has nothing to do  with  TC.
	      Headings	with level less	than or	equal to slevel	will get spac-
	      ing number of lines before them.	Headings with level less  than
	      or  equal	to tlevel will have their page numbers right justified
	      with dots	or spaces separating the text  and  the	 page  number.
	      Spaces  is  used	if  tab	 is greater than zero, otherwise dots.
	      Other headings will have the page	number directly	at the end  of
	      the heading text (ragged right).

	      The  rest	of the arguments will be printed, centered, before the
	      table of contents.

	      The user-defined macros TX and TY	are used if TC is called  with
	      at  most	four  arguments.   TX is called	before the printing of
	      CONTENTS,	and TY is called instead of printing CONTENTS.

	      Equivalent macros	can be defined for list	 of  figures,  tables,
	      equations	and excibits by	defining TXxx or TYxx, where xx	is Fg,
	      TB, EC or	EX.

	      String Ci	can be set to control the indentations for each	 head-
	      ing-level.   It must be scaled, like .ds Ci .25i .5i .75i	1i 1i.
	      The indentation is normally controlled by	the maxlength of head-
	      ings in each level.

	      All  texts  can  be  redefined,  new stringvariables Lifg, Litb,
	      Liex, Liec  and  Licon  contain  "Figure",  "TABLE",  "Exhibit",
	      "Equation" and "CONTENTS".  These	can be redefined to other lan-
	      guages.

       TE     Table end.  See TS.

       TH [N] Table header.  See TS.  TH ends the header of the	 table.	  This
	      header will be printed again if a	page-break occurs.  Argument N
	      isn't implemented	yet.

       TL [charging-case number(s) [filing-case	number(s)]]
	      Begin title of memorandum.  All  text  up	 to  the  next	AU  is
	      included in the title.  Charging-case number and filing-case are
	      saved for	use in the front page processing.

       TM [num1	[num2 [...]]]
	      Technical	memorandumnumbers used in .MT.	 Unlimited  number  of
	      arguments	may be given.

       TP     Top of page user-defined macro.  This macro is called instead of
	      the normal page header.  It is possible to get complete  control
	      over  the	 header.   Note	that header and	footer is printed in a
	      separate environment.  Linelength	is preserved though.

       TS [H] Table start.  This is the	start of a table specification to tbl.
	      See separate manual for tbl.  TS ends with TE.  Argument H tells
	      mm that the table	has a header.  See TH.

       TX     Userdefined table	of contents exit.  This	macro is  called  just
	      before TC	prints the word	CONTENTS.  See TC.

       TY     Userdefined  table of contents exit (no "CONTENTS").  This macro
	      is called	instead	of printing CONTENTS.  See TC.

       VERBON [flag [pointsize [font]]]
	      Begin verbatim output using courier font.	 Usually for  printing
	      programs.	  All character	has equal width.  The pointsize	can be
	      changed with the second argument.	 By specifying the  font-argu-
	      ment  it	is  possible  to  use another font instead of courier.
	      flag controls several special features.  It contains the sum  of
	      all wanted features.
	      ValueDescription
	      1	   Disable  the	escape-character (\).  This is normally	turned
		   on during verbose output.
	      2	   Add an empty	line before the	verbose	text.
	      4	   Add an empty	line after the verbose text.
	      8	   Print the verbose text with numbered	lines.	This adds four
		   digitsized  spaces  in  the	beginning of each line.	 Finer
		   control is available	with the string-variable  Verbnm.   It
		   contains  all  arguments to the troff-command .nm, normally
		   '1'.
	      16   Indent the verbose text with	 five  'n':s.	This  is  con-
		   trolled by the number-variable Verbin (in units).

       VERBOFF
	      End verbatim output.

       VL text-indent [mark-indent [1]]
	      Variable-item  list  has no fixed	mark, it assumes that every LI
	      have a mark instead.  Text-indent	sets the indent	to  the	 text,
	      and  mark-indent	the  distance  from  the current indent	to the
	      mark.  A third argument will prohibit printing of	a  blank  line
	      before each item.

       VM [-T] [top [bottom]]
	      Vertical	margin.	 Adds  extra  vertical	top  and margin	space.
	      Option -T	set the	total space instead.  No argument  resets  the
	      margin  to  zero	or  the	 default (7v 5v) if -T was used. It is
	      higly recommended	that macro TP and/or EOP are defined if	 using
	      -T  and  setting	top  and/or  bottom  margin  to	 less than the
	      default.

       WA [writer-name [title]]
	      Begins specification of the writer and writer's  address.	  Sev-
	      eral names can be	specified with empty WA/WE-pairs, but only one
	      address.

       WE     Ends the address-specification after .WA.

       WC [format]
	      Footnote and display width control.
	      N	   Set default mode, -WF, -FF, -WD and FB.
	      WF   Wide	footnotes, wide	also in	two-column mode.
	      -WF  Normal footnote width, follow column	mode.
	      FF   All footnotes gets the same width  as  the  first  footnote
		   encountered.
	      -FF  Normal footnotes, width follows WF and -WF.
	      WD
		   Wide	displays, wide also in two-column mode.
	      -WD  Normal display width, follow	column mode.
	      FB   Floating  displays  generates  a line break when printed on
		   the current page.
	      -FB  Floating displays does not generate line break.

       Strings used in mm:

       App    A	string containing the word "APPENDIX".

       Apptxt The current appendix text.

       EM     Em dash string

       H1txt  Will be updated by .H and	.HU to the current heading text.  Also
	      updated in table of contents & friends.

       HF     Fontlist	for  headings,	normally  "2 2 2 2 2 2 2".  Nonnumeric
	      fontnames	may also be used.

       HP     Pointsize	list for headings.  Normally "0	0 0 0 0	0 0" which  is
	      the same as "10 10 10 10 10 10 10".

       Index  Contains INDEX.

       Indcmd Contains the index command, sort -t\t.

       Lifg   String containing	Figure.

       Litb   String containing	TABLE.

       Liex   String containing	Exhibit.

       Liec   String containing	Equation.

       Licon  String containing	CONTENTS.

       Lf     Contains "LIST OF	FIGURES".

       Lt     Contains "LIST OF	TABLES".

       Lx     Contains "LIST OF	EXHIBITS".

       Le     Contains "LIST OF	EQUATIONS".

       Letfc  Contains "Yours very truly,", used in .FC.

       Letapp Contains "APPROVED:", used in .AV.

       Letdate
	      Contains "Date", used in .AV.

       LetCN  Contains "CONFIDENTIAL", used in .LO CN.

       LetSA  Contains "To Whom	It May Concern:", used in .LO SA.

       LetAT  Contains "ATTENTION:", used in .LO AT.

       LetSJ  Contains "SUBJECT:", used	in .LO SJ.

       LetRN  Contains "In reference to:", used	in .LO RN.

       Letns  is an array containing the different strings used	in .NS.	 It is
	      really a number of stringvariables prefixed with Letns!.	If the
	      argument	doesn't	 exist,	 it  will  be included between () with
	      Letns!copy as prefix and Letns!to	as suffix.  Observe the	 space
	      after copy and before to.
	      Name	     Value
	      Letns!0	     Copy to
	      Letns!1	     Copy (with	att.) to
	      Letns!2	     Copy (without att.) to
	      Letns!3	     Att.
	      Letns!4	     Atts.
	      Letns!5	     Enc.
	      Letns!6	     Encs.
	      Letns!7	     Under separate cover
	      Letns!8	     Letter to
	      Letns!9	     Memorandum	to
	      Letns!10	     Copy (with	atts.) to
	      Letns!11	     Copy (without atts.) to
	      Letns!12	     Abstract Only to
	      Letns!13	     Complete Memorandum to
	      Letns!14	     CC
	      Letns!copy     Copy "
	      Letns!to	     " to

       Letnsdef
	      Defines  the standard-notation used when no argument is given to
	      .NS.  Default is 0.

       MO1 - MO12
	      Strings containing January thru December.

       Qrf    String containing	"See chapter \\*[Qrfh],	page \\n[Qrfp].".

       Rp     Contains "REFERENCES".

       Tcst   Contains current status of table of contents and list  of	 XXXX.
	      Empty outside .TC.  Useful in user-defined macros	like .TP.
	      Value	     Meaning
	      co	     Table of contents
	      fg	     List of figures
	      tb	     List of tables
	      ec	     List of equations
	      ex	     List of exhibits
	      ap	     Appendix

       Tm     Contains \(tm, trade mark.

       Verbnm Argument to .nm in .VERBON, default: 1.

       Number variables	used in	mm:

       Aph    Print  an	 appendix-page	for every new appendix if this number-
	      variable is non-zero.  No	output will occur if Aph is zero,  but
	      there  will  always  be  an  appendix-entry in the 'List of con-
	      tents'.

       Cl     Contents level [0:14], contents saved if heading	level  <=  Cl,
	      default 2.

       Cp     Eject page between LIST OF XXXX if Cp == 0, default 0.

       D      Debugflag,  values >0 produces varying degree of debug.  A value
	      of 1  gives  information	about  the  progress  of   formatting,
	      default 0.

       De     Eject after floating display is output [0:1], default 0.

       Dsp    Controls	the  space  output before and after static displays if
	      defined.	Otherwise is the value of Lsp used.

       Df     Floating keep output [0:5], default 5.

       Ds     Lsp space	before and after display if == 1 [0:1],	default	1.

       Ej     Eject page, default 0.

       Eq     Equation lable adjust 0=left, 1=right.  Default 0.

       Fs     Footnote spacing,	default	1.

       H1-H7  Heading counters

       H1dot  Append a dot after the level one heading number if > 0.  Default
	      is 1.

       H1h    Copy  of	number	register H1, but it is incremented just	before
	      the page break.  Useful in user defined header macros.

       Hb     Heading break level [0:14], default 2.

       Hc     Heading centering	level, [0:14].	Default	0.

       Hi     Heading temporary	indent [0:2], default 1.
	      0	-> 0 indent, left margin
	      1	-> indent to right , like .P 1
	      2	-> indent to line up with text part of preceding heading

       Hps    Number variable with the heading pre-space level.	 If the	 head-
	      ing-level	is less	than or	equal to Hps, then two lines will pre-
	      cede the section heading instead of one.	Default	is first level
	      only.   The  real	amount of lines	is controlled by the variables
	      Hps1 and Hps2.

       Hps1   This is the number of lines preceding .H when the	 heading-level
	      is greater than Hps.  Value is in	units, normally	0.5.

       Hps2   This  is the number of lines preceding .H	when the heading-level
	      is less than or equal to Hps.  Value is in units,	normally 1.

       Hs     Heading space level [0:14], default 2.

       Hss    This is the number of lines that follows .H  when	 the  heading-
	      level  is	 less  than  or	 equal to Hs.  Value is	in units, nor-
	      mally 1.

       Ht     Heading numbering	type, default 0.  0 -> multiple	(1.1.1 ...)
	      1	-> single

       Hu     Unnumbered heading level,	default	2.

       Hy     Hyphenation in body, default 0.
	      0	-> no hyphenation
	      1	-> hyphenation 14 on

       Iso    Set this variable	to 1 on	the command line to get	 ISO-formatted
	      date string.  (-rIso=1) Useless inside a document.

       L      Page length, only	for command line settings.

       Letwam Max lines	in return-address, used	in .WA/.WE.  Default 14.

       Lf, Lt, Lx, Le
	      Enables  (1)  or	disables  (0) the printing of List of figures,
	      List  of	tables,	 List  of  exhibits  and  List	of  equations.
	      Default: Lf=1, Lt=1, Lx=1, Le=0.

       Li     List indent, used	by .AL,	default	6.

       Limsp  Flag for space between prefix and	mark in	automatic lists	(.AL).
	      0	== no space
	      1	== space

       Ls     List space, if current listlevel > Ls then no spacing will occur
	      around lists.  Default 99.

       Lsp    The  size	of an empty line.  Normally 0.5v, but it is 1v if n is
	      set (.nroff).

       N      Numbering	style [0:5], default 0.
	      0	== (default) normal header for all pages.
	      1	== header replaces footer on first page, header	is empty.
	      2	== page	header is removed on the first page.
	      3	== "section-page" numbering enabled.
	      4	== page	header is removed on the first page.
	      5	== "section-page" and "section-figure" numbering enabled.  See
	      also the number-register Sectf and Sectp.

       Np     Numbered paragraphs, default 0.
	      0	== not numbered
	      1	== numbered in first level headings.

       O      Page offset, only	for command line settings.

       Of     Format of	figure,table,exhibit,equation titles, default 0.
	      0	= ". "
	      1	= " - "

       P      Current  page-number,  normally  the  same as % unless "section-
	      page" numbering is enabled.

       Pi     paragraph	indent,	default	5.

       Pgps   Controls whether header and footer pointsize should  follow  the
	      current  setting	or  just  change when the header and footer is
	      defined.
	      ValueDescription
	      0	   Pointsize will only change to the current setting when .PH,
		   .PF,	.OH, .EH, .OF or .OE is	executed.
	      1	   Pointsize will change after every .S.  This is the default.

       Ps     paragraph	spacing, default 1.

       Pt     Paragraph	type, default 0.
	      0	== left-justified
	      1	== indented .P
	      2	== indented .P except after .H,	.DE or .LE.

       Sectf  Flag controlling "section-figures".  A  non-zero	value  enables
	      this.  See also register N.

       Sectp  Flag   controlling  "section-page-numbers".   A  non-zero	 value
	      enables this.  See also register N.

       Si     Display indent, default 5.

       Verbin Indent for .VERBON, default 5n.

       W      Line length, only	for command line settings.

       .mgm   Always 1.

INTERNALS
       The letter macros is using different submacros depending	on the	letter
       type.   The  name of the	submacro has the letter	type as	suffix.	 It is
       therefore possible to define other letter types,	either in the national
       macro-file,  or	as local additions.  .LT will set the number variables
       Pt and Pi to 0 and 5.  The following strings and	macros must be defined
       for a new letter	type:

       let@init_type
	      This  macro  is  called directly by .LT.	It is supposed to ini-
	      tialize variables	and other stuff.

       let@head_type
	      This macro prints	the letter head, and is	called instead of  the
	      normal  page  header.   It  is  supposed	to  remove  the	 alias
	      let@header, otherwise it will be called for all pages.

       let@sg_type name	title n	flag [arg1 [arg2 [...]]]
	      .SG is calling this macro	only for letters, memorandums has  its
	      own processing.  name and	title is specified thru	.WA/.WB.  n is
	      the counter, 1-max, and flag is true for	the  last  name.   Any
	      other argument to	.SG is appended.

       let@fc_type closing
	      This macro is called by .FC, and has the formal closing as argu-
	      ment.

       .LO is implemented as a	general	 option-macro.	 .LO  demands  that  a
       string  named  Lettype  is defined, where type is the letter type.  .LO
       will then assign	the argument to	the string variable let*lo-type.

AUTHOR
       Jorgen Hagg, Lund, Sweden <jh@axis.se>.

FILES
       /usr/share/tmac/tmac.m

       /usr/share/tmac/mm/*.cov

       /usr/share/tmac/mm/*.MT

       /usr/share/tmac/mm/locale

SEE ALSO
       groff(1), troff(1), tbl(1), pic(1), eqn(1)
       groff_mmse(7)

Groff Version 1.19.2	       27 September 2013		   GROFF_MM(7)

NAME | SYNOPSIS | DESCRIPTION | INTERNALS | AUTHOR | FILES | SEE ALSO

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