A dagger () next to a register name indicates that the register can
be set only from the command line or before the mm
macro
definitions are read by the formatter. Any register having a
single-character name can be set from the command line with the
-r option.
A | 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.). |
Cl | Level of headings saved for table of contents (see .TC macro). Default is 2. |
Cp | 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. |
D | 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. |
Hn | Heading counter for level |
Hb | 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. |
Hi | 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). |
Hu | 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. |
Le | 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. |
Ls | 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. |
N | Set page numbering style:
|
Np | Set numbering style for paragraphs: 0 (unnumbered) or 1 (numbered). |
O | 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. |
Oc | Set numbering style for pages in table of contents: 0 (lowercase roman, the default) or 1 (arabic). |
Of | 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. |
Pt | 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. |
S | 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. |
T | 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. |