A dagger () next to a register name indicates that the register can
be set only from the command line or before the
definitions are read by the formatter. Any register having a
single-character name can be set from the command line with the
If set to 1, omit technical memorandum headings and provide spaces appropriate for letterhead (see .AF macro).
|Au||Omit author information on first page (see .AU macro).|
|C||Flag indicating type of copy (original, draft, etc.).|
Level of headings saved for table of contents (see .TC macro). Default is 2.
If set to 1 (default), list of figures and tables appear on same page as table of contents. Otherwise, they start on a new page.
If set to 1, use debug mode (
|De||If set to 1, eject page after each floating display. Default is 0.|
|Df||Set format of floating displays (see .DF macro).|
|Ds||Set space used before and after static displays.|
|E||Font for Subject/Date/From. 0 (bold, the default) or 1 (roman).|
|Ec||Equation counter, incremented for each .EC macro.|
|Ej||Heading level for page eject before headings. Default is 0 and no eject.|
|Eq||If set to 1, place equation label at left margin. Default is 0.|
|Ex||Exhibit counter, incremented for each .EX macro.|
|Fg||Figure counter, incremented for each .FG macro.|
|Fs||Vertical spacing between footnotes.|
Heading counter for level
Level of heading for which break occurs before output of body text. Default is 2.
|Hc||Level of heading for which centering occurs. Default is 0.|
Type of indent after heading. Values are 0 (left-justified), 1 (indented, the default), 2 (indented except after .H, .LC, .DE).
|Hs||Level of heading for which space after heading occurs. Default is 2.|
|Ht||Numbering type of heading: 1 (single) or 0 (concatenated, the default).|
Set level of heading at which unnumbered headings occur. Default is 2.
|Hy||If set to 1, enable hyphenation. Default is 0.|
|L||Set length of page. Default is 66v.|
Flag to print list of equations after table of contents: 0 (don't print, the default) or 1 (print).
|Lf||Like Le, but for list of figures.|
|Li||Default indent of lists. Default is 5.|
Set spacing between items in nested lists. Default is 6 (spacing between all levels of list).
|Lt||Like Le, but for list of tables.|
|Lx||Like Le, but for list of exhibits.|
Set page numbering style:
|Np||Set numbering style for paragraphs: 0 (unnumbered) or 1 (numbered).|
Offset of page. For nroff, value is unscaled number representing character positions; default is 9 (7.5i). For troff, value is scaled; default is .5i.
Set numbering style for pages in table of contents: 0 (lowercase roman, the default) or 1 (arabic).
Set separator for figure number in captions. 0 (use period, the default); 1 (use hyphen).
|P||Current page number.|
|Pi||Amount of indent for paragraph. Default is 5 for nroff and 3 for troff.|
|Ps||Amount of spacing between paragraphs. Default is 3v.|
Paragraph type. Values are 0 (left-justified, the default), 1 (indented), 2 (indented except after .H, .LC, .DE).
|Pv||Suppress ``PRIVATE" header.|
|Rf||Reference counter, incremented for each .RS.|
Default point size for troff. Default is 10. Vertical spacing is \nS+2.
|Si||Standard indent for displays. Default is 5 for nroff and 3 for troff.|
Type of nroff output device. Sets registers for specific devices.
|Tb||Table counter, incremented for each .TB.|
|U||Style of nroff underlining for .H and .HU. If not set, use continuous underline; if set, don't underline punctuation and white space. Default is 0.|
|W||Width of page (line and title length). Default is 6i.|