groff_out(5) File Formats Manual groff_out(5) (NAME) groff_out - GNU roff (DESCRIPTION) GNU troff troff(1) groff(7) . . : . URL . (Background) groff(1) GNU troff . groff -Z GNU troff . . (troff) . << >> . troff GNU troff . AT&T troff . ( groff src/libs/libdriver/input.cpp ). AT&T troff . groff . (Syntax) roff (tokens) : . . AT&T troff . GNU troff . -- -- . (h, H) (v, V) . . . . / (#) . . (h) (c) ISO 646/<>. GNU troff . GNU troff (t) . (D) (x) . . GNU troff "x X" . (Argument units) . "u" ( ) "s" ( ) . DESC groff_font(5) groff(7) Groff: The GNU Implementation of troff Texinfo groff . . ( ) . . . ( ) # . . (Output structure) troff : (header) (body) (trailer). . GNU troff : x T device x res n h v x init n h v << >> . . . "x init" . "x stop" GNU troff . - . p . p . ( H V) - . ( <<>>) . (Command reference) AT&T troff GNU troff. (Comment command) #anything . # . . (Simple commands) . . . . . . C id id. . . c c c. . f n n. n . H n n . n . h n n . AT&T troff n GNU troff groff . m scheme [component ...] component scheme. component 0 65536 . scheme . groff . mc cyan magenta yellow CMY (cyan) (magenta) (yellow). md ( ). mg gray 0 () 65536 (). mk cyan magenta yellow black CMYK (cyan) (magenta) (yellow) (black). mr red green blue RGB (red) (green) (blue). N n n . n . . html xhtml n n . n b a (break). . b a . GNU troff groff . v V . p n n. . 0 . p . s n n ( z GNU troff). AT&T troff (p) <<>> . t xyz... t xyz... dummy-arg xyz x y z ... ( ). . . C . t groff DESC tcommand groff_font(5) . u n xyz... u xyz... dummy-arg xyz (track kerning). t n . u groff DESC tcommand groff_font(5) . V n n . n . v n n . AT&T troff n GNU troff groff . w . . ( ) . GNU troff groff . h H . (Graphics commands) "D" . "D" ( ) "D" . GNU troff AT&T troff ( ) groff . . . u . h . v . . \D troff . << >> groff(7) . \D groff groff(7) . D . . <<>> . D~ h1 v1 h2 v2 ... hn vn - (B-spline) (h1, v1) (h2, v2) (hn, vn). . Da h1 v1 h2 v2 (h1, v1)+(h2, v2) (h1, v1) . DC d DC d dummy-arg d ( u) . ( ). . Dc d d ( u) . DE h v h v ( u) . . De h v h v ( u) . DF color-scheme [component ...] m . 0 65536 . . GNU troff : "\D'F ...'" \M ( ). . . DFc cyan magenta yellow CMY 3 . DFd ( ). . DFg gray 0 () 65536 (). DFk cyan magenta yellow black CMYK 4 . DFr red green blue RGB 3 . Df n n -32767 32767 . 0<=n<=1000 0 1000 () "DFg" . n<0 or n>1000 m . mg 0 0 65536 Df -1 . . Dl h v (h, v) ( u) . Dp h1 v1 h2 v2 ... hn vn (h1, v1) (h2, v2) (hn, vn) . . . groff . DP h1 v1 h2 v2 ... hn vn Dp . Dp . . Dt n n ( u) n>0 n=0 . . . . (Device control commands) "x" ( GNU troff) ( ) . "x" ( ). . . GNU troff "x i" "x init" "x r" "x res" . <<>> . xF name (Filename control command) name . groff . . . xf n s (font control command) n ( ) s ( ) groff_font(5) . xH n (Height control command) n ( z). troff (p) <<>> . xi (init control command) . . xp (pause control command) . : . xr n h v (resolution control command) n h v u . . xS n (Slant control command) n ( u). xs (stop control command) troff . xt (trailer control command) . groff . xT xxx (Typesetter control command) xxx . -T groff . . xu n (underline control command) . n 1 n 0 . cu nroff . . xX anything (X-escape control command) anything . + : + . + . groff \X . . (Legacy compressed encoding) AT&T troff ( ) . c h . ddc dd ( ) u c. groff . . troff . . groff X75 X75-12 X100 X100-12 . t u . (COMPATIBILITY) AT&T troff "A Typesetter-independent TROFF" AT&T troff . groff : o AT&T troff . o . groff AT&T troff . AT&T troff post ( dpost) 720 . ps groff 72000 . groff post AT&T . o - D~ groff . o GNU troff s x H z AT&T troff p . sizescale DESC AT&T groff ( nroff). groff sizescale AT&T troff . . o "Dp" "DP" "Dt" . GNU troff . \Z . groff troff groff_diff(7) . (FILES) /usr/share/groff/1.24.1/font/devname/DESC name . (AUTHORS) AT&T troff GNU troff . (Bernd Warken) . (G. Branden Robinson) . (SEE ALSO) Groff: The GNU Implementation of troff . groff . <> . << Troff>> . ( . ) AT&T <> groff <> . << TROFF >> . AT&T (CSTR #97) . groff(1) -Z groff . groff(7) groff . groff_font(5) DESC ( ) . troff(1) . roff(7) roff . groff_diff(7) AT&T troff GNU troff . gxditview(1) troff . Roff.js troff . grodvi(1) grohtml(1) grolbp(1), grolj4(1), gropdf(1), grops(1) grotty(1) groff . groff 1.24.1 2026-03-15 groff_out(5)