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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:

       ·      no Bell Labs localisms implemented.

       ·      the macros OK and PM are not implemented.

       ·      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
       J�rgen H�gg, 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		20 October 2005			   GROFF_MM(7)
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