From d318611dd6f23fcfedd50e9b9e24620b102ba96a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 21:44:05 +0200 Subject: Adding upstream version 1.23.0. Signed-off-by: Daniel Baumann --- doc/groff.html.node/Concept-Index.html | 2359 ++++++++++++++++++++++++++++++++ 1 file changed, 2359 insertions(+) create mode 100644 doc/groff.html.node/Concept-Index.html (limited to 'doc/groff.html.node/Concept-Index.html') diff --git a/doc/groff.html.node/Concept-Index.html b/doc/groff.html.node/Concept-Index.html new file mode 100644 index 0000000..3adcfcb --- /dev/null +++ b/doc/groff.html.node/Concept-Index.html @@ -0,0 +1,2359 @@ + + + + + + +Concept Index (The GNU Troff Manual) + + + + + + + + + + + + + + + + + + + +
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+

+Previous: , Up: GNU troff   [Contents][Index]

+
+
+

Appendix J Concept Index

+ +
+
Jump to:   " +   +% +   +& +   +' +   +( +   +) +   +* +   ++ +   +- +   +. +   +/ +   +8 +   +: +   +< +   += +   +> +   +[ +   +\ +   +] +   +| +   +
+A +   +B +   +C +   +D +   +E +   +F +   +G +   +H +   +I +   +J +   +K +   +L +   +M +   +N +   +O +   +P +   +Q +   +R +   +S +   +T +   +U +   +V +   +W +   +Y +   +Z +   +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
Index Entry  Section
"
", as delimiter: Delimiters
", at end of sentence: Sentences
", at end of sentence: Using Symbols
", embedding in a macro argument: Calling Macros
%
%, as delimiter: Delimiters
&
&, as delimiter: Delimiters
'
', as a comment: Comments
', as delimiter: Delimiters
', at end of sentence: Sentences
', at end of sentence: Using Symbols
(
(, as delimiter: Delimiters
)
), as delimiter: Delimiters
), at end of sentence: Sentences
), at end of sentence: Using Symbols
*
*, as delimiter: Delimiters
*, at end of sentence: Sentences
*, at end of sentence: Using Symbols
+
+, and page motion: Numeric Expressions
+, as delimiter: Delimiters
-
-, and page motion: Numeric Expressions
-, as delimiter: Delimiters
.
., as delimiter: Delimiters
.h register, difference from nl: Diversions
.ps register, in comparison with .psr: Using Fractional Type Sizes
.s register, in comparison with .sr: Using Fractional Type Sizes
.S register, Plan 9 alias for .tabs: Tabs and Fields
.t register, and diversions: Diversion Traps
.tabs register, Plan 9 alias (.S): Tabs and Fields
.V register, and vs: Changing the Vertical Spacing
/
/, as delimiter: Delimiters
8
8-bit input: Font Description File Format
:
:, as delimiter: Delimiters
<
<, as delimiter: Delimiters
=
=, as delimiter: Delimiters
>
>, as delimiter: Delimiters
[
[, macro names starting with, and refer: Identifiers
\
\!, and copy mode: Diversions
\!, and output request: Diversions
\!, and trnt: Character Translations
\!, as delimiter: Delimiters
\!, as delimiter: Delimiters
\!, in top-level diversion: Diversions
\!, incompatibilities with AT&T troff: Other Differences
\!, incompatibilities with AT&T troff: Other Differences
\$, when reading text for a macro: Copy Mode
\%, and translations: Character Translations
\%, as delimiter: Delimiters
\%, as delimiter: Delimiters
\%, following \X or \Y: Manipulating Hyphenation
\%, in \X: Postprocessor Access
\%, incompatibilities with AT&T troff: Other Differences
\&, and glyph definitions: Using Symbols
\&, and translations: Character Translations
\&, as delimiter: Delimiters
\&, at end of sentence: Sentences
\&, in \X: Postprocessor Access
\&, incompatibilities with AT&T troff: Other Differences
\', and translations: Character Translations
\', as delimiter: Delimiters
\', as delimiter: Delimiters
\', incompatibilities with AT&T troff: Other Differences
\(, and translations: Character Translations
\), as delimiter: Delimiters
\), in \X: Postprocessor Access
\*, and warnings: Warnings
\*, incompatibilities with AT&T troff: Compatibility Mode
\*, when reading text for a macro: Copy Mode
\, disabling (eo): Using Escape Sequences
\, embedding in a macro argument: Calling Macros
\,, as delimiter: Delimiters
\- glyph, and cflags: Using Symbols
\-, and translations: Character Translations
\-, as delimiter: Delimiters
\-, as delimiter: Delimiters
\-, incompatibilities with AT&T troff: Other Differences
\/, as delimiter: Delimiters
\/, as delimiter: Delimiters
\0, as delimiter: Delimiters
\:, as delimiter: Delimiters
\:, as delimiter: Delimiters
\:, in \X: Postprocessor Access
\?, and copy mode: Operators in Conditionals
\?, and copy mode: Diversions
\?, as delimiter: Delimiters
\?, in top-level diversion: Diversions
\?, incompatibilities with AT&T troff: Other Differences
\a, and copy mode: Leaders
\a, and translations: Character Translations
\a, as delimiter: Delimiters
\A, delimiters allowed by: Delimiters
\A, incompatibilities with AT&T troff: Other Differences
\b, delimiters allowed by: Delimiters
\b, limitations of: Drawing Geometric Objects
\C, and translations: Character Translations
\c, as delimiter: Delimiters
\c, as delimiter: Delimiters
\c, incompatibilities with AT&T troff: Other Differences
\c, when filling disabled: Line Continuation
\c, when filling enabled: Line Continuation
\d, as delimiter: Delimiters
\D, delimiters allowed by: Delimiters
\e, and glyph definitions: Using Symbols
\e, and translations: Character Translations
\e, as delimiter: Delimiters
\E, as delimiter: Delimiters
\e, as delimiter: Delimiters
\e, incompatibilities with AT&T troff: Other Differences
\F, and changing fonts: Selecting Fonts
\f, and font translations: Selecting Fonts
\f, incompatibilities with AT&T troff: Compatibility Mode
\h, delimiters allowed by: Delimiters
\H, delimiters allowed by: Delimiters
\H, incompatibilities with AT&T troff: Compatibility Mode
\H, using + and - with: Numeric Expressions
\H, with fractional type sizes: Using Fractional Type Sizes
\l, and glyph definitions: Using Symbols
\L, and glyph definitions: Using Symbols
\l, delimiters allowed by: Delimiters
\L, delimiters allowed by: Delimiters
\N, and translations: Character Translations
\n, and warnings: Warnings
\N, delimiters allowed by: Delimiters
\n, incompatibilities with AT&T troff: Compatibility Mode
\n, when reading text for a macro: Copy Mode
\o, delimiters allowed by: Delimiters
\p, as delimiter: Delimiters
\p, as delimiter: Delimiters
\R, after \c: Line Continuation
\R, and warnings: Warnings
\r, as delimiter: Delimiters
\R, delimiters allowed by: Delimiters
\R, difference from nr: Auto-increment
\R, using + and - with: Numeric Expressions
\RET, when reading text for a macro: Copy Mode
\s, delimiters allowed by: Delimiters
\S, delimiters allowed by: Delimiters
\s, incompatibilities with AT&T troff: Compatibility Mode
\S, incompatibilities with AT&T troff: Compatibility Mode
\s, incompatibilities with AT&T troff: Compatibility Mode
\s, using + and - with: Numeric Expressions
\s, with fractional type sizes: Using Fractional Type Sizes
\SP, as delimiter: Delimiters
\SP, difference from \~: Calling Macros
\SP, incompatibilities with AT&T troff: Other Differences
\t, and copy mode: Tabs and Fields
\t, and translations: Character Translations
\t, and warnings: Warnings
\t, as delimiter: Delimiters
\u, as delimiter: Delimiters
\V, and copy mode: I/O
\v, delimiters allowed by: Delimiters
\v, internal representation: Gtroff Internals
\w, delimiters allowed by: Delimiters
\X, and special characters: Postprocessor Access
\X, delimiters allowed by: Delimiters
\x, delimiters allowed by: Delimiters
\X, followed by \%: Manipulating Hyphenation
\Y, followed by \%: Manipulating Hyphenation
\Z, delimiters allowed by: Delimiters
\[, and translations: Character Translations
\\, when reading text for a macro: Copy Mode
\^, as delimiter: Delimiters
\^, incompatibilities with AT&T troff: Other Differences
\_, and translations: Character Translations
\_, as delimiter: Delimiters
\_, as delimiter: Delimiters
\_, incompatibilities with AT&T troff: Other Differences
\`, and translations: Character Translations
\`, as delimiter: Delimiters
\`, as delimiter: Delimiters
\`, incompatibilities with AT&T troff: Other Differences
\{, as delimiter: Delimiters
\{, as delimiter: Delimiters
\{, incompatibilities with AT&T troff: Other Differences
\|, as delimiter: Delimiters
\|, incompatibilities with AT&T troff: Other Differences
\}, and warnings: Warnings
\}, as delimiter: Delimiters
\}, as delimiter: Delimiters
\}, incompatibilities with AT&T troff: Other Differences
\~, and translations: Character Translations
\~, as delimiter: Delimiters
\~, difference from \SP: Calling Macros
\~, incompatibilities with AT&T troff: Other Differences
]
], as part of an identifier: Identifiers
], at end of sentence: Sentences
], at end of sentence: Using Symbols
], macro names starting with, and refer: Identifiers
|
|, and page motion: Numeric Expressions
A
ab request, incompatibilities with AT&T troff: Other Differences
aborting (ab): Debugging
absolute (sic) position operator (|): Numeric Expressions
abstract font style: Using Fonts
abstract font style, setting up (sty): Font Families
accent marks [ms]: ms Legacy Features
access to postprocessor: Postprocessor Access
accessing unnamed glyphs with \N: Font Description File Format
activating kerning (kern): Ligatures and Kerning
activating ligatures (lg): Ligatures and Kerning
activating track kerning (tkf): Ligatures and Kerning
ad request, and hyphenation margin: Manipulating Hyphenation
ad request, and hyphenation space: Manipulating Hyphenation
addition: Numeric Expressions
additional inter-sentence space: Manipulating Filling and Adjustment
adjustment and filling, manipulating: Manipulating Filling and Adjustment
adjustment mode register (.j): Manipulating Filling and Adjustment
adjustment to both margins, difference from AT&T troff: Other Differences
Adobe Glyph List (AGL): Using Symbols
alias, diversion, creating (als): Strings
alias, diversion, removing (rm): Strings
alias, macro, creating (als): Strings
alias, macro, removing (rm): Strings
alias, register, creating (aln): Setting Registers
alias, register, removing (rr): Setting Registers
alias, string, creating (als): Strings
alias, string, removing (rm): Strings
aliasing fonts with third argument to fp request: Font Positions
als request, and \$0: Parameters
am, am1, ami requests, and warnings: Warnings
appending to a diversion (da, boxa): Diversions
appending to a file (opena): I/O
appending to a macro (am): Writing Macros
appending to a string (as): Strings
approximation output register (.A): Built-in Registers
arc, drawing (‘\D'a …'’): Drawing Geometric Objects
argument: Requests and Macros
arguments to macros: Calling Macros
arguments to macros, and tabs: Invoking Requests
arguments to requests: Invoking Requests
arguments to requests, and tabs: Invoking Requests
arguments, and compatibility mode: Gtroff Internals
arguments, to escape sequences, delimiting: Delimiters
arguments, to strings: Strings
arithmetic operators: Numeric Expressions
artificial fonts: Artificial Fonts
as, as1 requests, and comments: Comments
as, as1 requests, and warnings: Warnings
ASCII output encoding: Groff Options
asciify request, and writem: I/O
assertion (arithmetic operator): Numeric Expressions
assign number format to register (af): Assigning Register Formats
assignments, indirect: Interpolating Registers
assignments, nested: Interpolating Registers
AT&T ms, macro package differences: Differences from AT&T ms
attributes, character cell: Using Fonts
auto-incrementation of a register: Auto-increment
automatic font mounting: Selecting Fonts
automatic hyphenation: Manipulating Hyphenation
automatic hyphenation parameters: Manipulating Hyphenation
auxiliary macro package: Major Macro Packages
available glyphs, list of (groff_char(7) man page): Using Symbols
B
background: Background
background color name register (.M): Colors
backslash glyph, formatting (\[rs]): Using Escape Sequences
backslash, embedding in a macro argument: Calling Macros
backslash, printing (\\, \e, \E, \[rs]): Other Differences
backspace character, and translations: Character Translations
backtrace of input stack (backtrace): Debugging
baseline rule special character(\[ru]): Drawing Geometric Objects
baseline, text: Page Geometry
baseline, text: Manipulating Type Size and Vertical Spacing
basic scaling unit (u): Measurements
basic units: Page Geometry
basic units, conversion to: Measurements
basics of macro package usage: Basics
bd request, and font styles: Font Families
bd request, and font translations: Selecting Fonts
bd request, incompatibilities with AT&T troff: Other Differences
beginning diversion (di, box): Diversions
beginning of conditional block (\{): Conditional Blocks
blank line: Breaking
blank line macro (blm): Breaking
blank line macro (blm): Invoking Requests
blank line macro (blm): Blank Line Traps
blank line trap (blm): Invoking Requests
blank line traps: Blank Line Traps
blank lines, disabling: Manipulating Spacing
block, conditional, beginning (\{): Conditional Blocks
block, conditional, end (\}): Conditional Blocks
blocks, conditional: Conditional Blocks
body, of a while request: while
boldface, imitating (bd): Artificial Fonts
bottom margin: Page Location Traps
boundary-relative motion operator (|): Numeric Expressions
bounding box: Miscellaneous
box (diversion operation): Diversions
box request, and warnings: Warnings
box rule glyph (\[br]): Drawing Geometric Objects
box, boxa requests, and warnings: Warnings
boxa request, and dn (dl): Diversions
boxa request, and warnings: Warnings
boxes [ms]: ms keeps and displays
bp request, and top-level diversion: Page Control
bp request, and traps (.pe): Page Location Traps
bp request, causing implicit break: Manipulating Filling and Adjustment
bp request, incompatibilities with AT&T troff: Other Differences
bp request, using + and - with: Numeric Expressions
br glyph, and cflags: Using Symbols
brace escape sequence, closing (\}): Conditional Blocks
brace escape sequence, opening (\}): Conditional Blocks
brace escape sequences (\{, \}): Conditional Blocks
break: Breaking
break: Manipulating Filling and Adjustment
break (introduction): Basics
break request, in a while loop: while
break, page: Page Geometry
break, page: Page Control
break, page: The Implicit Page Trap
break, page (introduction): Basics
break, page, final: End-of-input Traps
break, page, prevented by vpt: Vertical Position Traps
breaking file names (\:): Manipulating Hyphenation
breaking URLs (\:): Manipulating Hyphenation
breaking without hyphens (\:): Manipulating Hyphenation
built-in register, removing: Built-in Registers
built-in registers: Built-in Registers
bulleted list, example markup [ms]: Lists in ms
C
c scaling unit: Measurements
calling a macro: Requests and Macros
calling macros: Calling Macros
capabilities of groff: groff Capabilities
case-transforming a string (stringdown, stringup): Strings
categories, warning: Warnings
CCSID 1047 output encoding (EBCDIC): Groff Options
ce request, causing implicit break: Manipulating Filling and Adjustment
ce request, difference from ‘.ad c’: Manipulating Filling and Adjustment
cell, character, attributes: Using Fonts
centered text (filled): Manipulating Filling and Adjustment
centered text (unfilled): Manipulating Filling and Adjustment
centering lines (ce): Manipulating Filling and Adjustment
centering lines (introduction): Basics
centimeter scaling unit (c): Measurements
cf request, and copy mode: I/O
cf request, causing implicit break: Manipulating Filling and Adjustment
changing control characters: Control Characters
changing font family (fam, \F): Font Families
changing fonts (ft, \f): Selecting Fonts
changing format, and read-only registers: Assigning Register Formats
changing the font height (\H): Artificial Fonts
changing the font slant (\S): Artificial Fonts
changing the page number character (pc): Page Layout
changing trap location (ch): Page Location Traps
changing type sizes (ps, \s): Changing the Type Size
changing vertical line spacing (vs): Changing the Vertical Spacing
char request, and soft hyphen character: Manipulating Hyphenation
char request, and translations: Character Translations
char request, used with \N: Using Symbols
character: Using Symbols
character cell attributes: Using Fonts
character class (class): Character Classes
character classes: Character Classes
character properties (cflags): Using Symbols
character translations: Character Translations
character, backspace, and translations: Character Translations
character, control (.): Requests and Macros
character, control, changing (cc): Control Characters
character, defining (char): Using Symbols
character, defining fallback (fchar, fschar, schar): Using Symbols
character, distinguished from glyph: Using Symbols
character, dummy (\&): Dummy Characters
character, dummy (\&), as control character suppressor: Requests and Macros
character, dummy (\&), effect on kerning: Ligatures and Kerning
character, dummy (\&), effect on \l escape sequence: Drawing Geometric Objects
character, escape, changing (ec): Using Escape Sequences
character, escape, while defining glyph: Using Symbols
character, field delimiting (fc): Fields
character, field padding (fc): Fields
character, horizontal tab: Tabs and Leaders
character, hyphenation (\%): Manipulating Hyphenation
character, leader: Tabs and Leaders
character, leader repetition (lc): Leaders
character, leader, and translations: Character Translations
character, leader, non-interpreted (\a): Leaders
character, named (\C): Using Symbols
character, newline, and translations: Character Translations
character, no-break control ('): Requests and Macros
character, no-break control, changing (c2): Control Characters
character, ordinary: Identifiers
character, soft hyphen, setting (shc): Manipulating Hyphenation
character, special: Character Translations
character, tab repetition (tc): Tabs and Fields
character, tab, and translations: Character Translations
character, tab, non-interpreted (\t): Tabs and Fields
character, transparent: Using Symbols
character, transparent dummy (\)): Dummy Characters
characters, end-of-sentence: Using Symbols
characters, end-of-sentence transparent: Sentences
characters, hyphenation: Using Symbols
characters, input, and output glyphs, compatibility with AT&T troff: Other Differences
characters, invalid for trf request: I/O
characters, invalid input: Identifiers
characters, overlapping: Using Symbols
characters, special: Sentences
characters, special, list of (groff_char(7) man page): Using Symbols
characters, unnamed, accessing with \N: Font Description File Format
circle, filled, drawing (‘\D'C …'’): Drawing Geometric Objects
circle, outlined, drawing (‘\D'c …'’): Drawing Geometric Objects
circle, solid, drawing (‘\D'C …'’): Drawing Geometric Objects
circle, stroked, drawing (‘\D'c …'’): Drawing Geometric Objects
class of characters (class): Character Classes
classes, character: Character Classes
clearing input line trap (it, itc): Input Line Traps
closing brace escape sequence (\}): Conditional Blocks
closing file (close): I/O
code page 1047 output encoding: Groff Options
code page 1047, input encoding: Input Encodings
code, hyphenation (hcode): Manipulating Hyphenation
color name, background, register (.M): Colors
color name, fill, register (.M): Colors
color name, stroke, register (.m): Colors
color, default: Colors
color, fill: Colors
color, stroke: Colors
colors: Colors
command prefix: Environment
command-line options: Groff Options
comments: Comments
comments in device description files: DESC File Format
comments in font description files: Font Description File Format
comments, lining up with tabs: Comments
comments, with ds: Strings
common features: Common Features
common name space of macros, diversions, and strings: Identifiers
comparison of strings: Operators in Conditionals
comparison operators: Numeric Expressions
compatibility mode: Warnings
compatibility mode: Compatibility Mode
compatibility mode, and parameters: Gtroff Internals
complementation, logical: Numeric Expressions
composite glyph names: Using Symbols
conditional block, beginning (\{): Conditional Blocks
conditional block, end (\}): Conditional Blocks
conditional blocks: Conditional Blocks
conditional expressions: Operators in Conditionals
conditional output for terminal (TTY): Operators in Conditionals
conditional page break (ne): Page Control
conditionals and loops: Conditionals and Loops
configuring control characters: Control Characters
configuring the page length (pl): Page Layout
consecutive hyphenated lines (hlm): Manipulating Hyphenation
constant glyph space mode (cs): Artificial Fonts
contents, table of: Table of Contents
contents, table of: Leaders
continuation, input line (\RET): Line Continuation
continuation, output line (\c): Line Continuation
continue request, in a while loop: while
continued output line register (.int): Line Continuation
continuous underlining (cu): Artificial Fonts
control character (.): Requests and Macros
control character, changing (cc): Control Characters
control character, no-break ('): Requests and Macros
control character, no-break, changing (c2): Control Characters
control characters: Control Characters
control line: Requests and Macros
control, line: Line Continuation
control, page: Page Control
conventions for input: Input Conventions
conversion to basic units: Measurements
copy mode: Copy Mode
copy mode: Copy Mode
copy mode, and cf request: I/O
copy mode, and device request: Postprocessor Access
copy mode, and length request: Strings
copy mode, and macro parameters: Parameters
copy mode, and output request: Diversions
copy mode, and trf request: I/O
copy mode, and write request: I/O
copy mode, and writec request: I/O
copy mode, and writem request: I/O
copy mode, and \!: Diversions
copy mode, and \?: Operators in Conditionals
copy mode, and \?: Diversions
copy mode, and \a: Leaders
copy mode, and \t: Tabs and Fields
copy mode, and \V: I/O
copying environment (evc): Environments
correction between oblique and upright glyph (\/, \,): Italic Corrections
correction between upright and oblique glyph (\/, \,): Italic Corrections
correction, italic (\/): Italic Corrections
correction, left italic (\,): Italic Corrections
cover page in [ms], example markup: ms Document Description Macros
cp request, and glyph definitions: Using Symbols
cq glyph, at end of sentence: Sentences
cq glyph, at end of sentence: Using Symbols
creating alias for register (aln): Setting Registers
creating alias, for diversion (als): Strings
creating alias, for macro (als): Strings
creating alias, for string (als): Strings
creating new characters (char): Using Symbols
credits: Credits
cs request, and font styles: Font Families
cs request, and font translations: Selecting Fonts
cs request, incompatibilities with AT&T troff: Other Differences
cs request, with fractional type sizes: Using Fractional Type Sizes
CSTR #54 errata: Built-in Registers
CSTR #54 errata: Line Layout
CSTR #54 errata: Page Control
CSTR #54 errata: Artificial Fonts
CSTR #54 errata: Changing the Type Size
CSTR #54 errata: Page Motions
CSTR #54 erratum, bp request: Page Control
CSTR #54 erratum, po request: Line Layout
CSTR #54 erratum, ps request: Changing the Type Size
CSTR #54 erratum, sb register: Page Motions
CSTR #54 erratum, st register: Page Motions
CSTR #54 erratum, yr register: Built-in Registers
CSTR #54 erratum, \S escape: Artificial Fonts
CSTR #54 erratum, \s escape sequence: Changing the Type Size
current directory: Macro Directories
current input file name register (.F): Built-in Registers
current page number (%): Page Control
current time, hours (hours): Built-in Registers
current time, minutes (minutes): Built-in Registers
current time, seconds (seconds): Built-in Registers
D
da request, and dn (dl): Diversions
da request, and warnings: Warnings
da request, and warnings: Warnings
date, day of the month register (dy): Built-in Registers
date, day of the week register (dw): Built-in Registers
date, month of the year register (mo): Built-in Registers
date, year register (year, yr): Built-in Registers
day of the month register (dy): Built-in Registers
day of the week register (dw): Built-in Registers
dd glyph, at end of sentence: Sentences
dd glyph, at end of sentence: Using Symbols
de request, and while: while
de, de1, dei requests, and warnings: Warnings
debugging: Debugging
debugging page location traps: Page Location Traps
decimal point, as delimiter: Delimiters
decrementation, automatic, of a register: Auto-increment
default color: Colors
default tab stops: Tabs and Fields
default units: Default Units
deferred output: Deferring Output
defining character (char): Using Symbols
defining character class (class): Character Classes
defining fallback character (fchar, fschar, schar): Using Symbols
defining glyph (char): Using Symbols
defining symbol (char): Using Symbols
delimited arguments, incompatibilities with AT&T troff: Compatibility Mode
delimiters, for escape sequence arguments: Delimiters
delimiting character, for fields (fc): Fields
delimiting escape sequence arguments: Delimiters
depth, interpolation: Calling Macros
depth, of last glyph (.cdp): Environments
DESC file format: DESC File Format
DESC file, and font mounting: Font Positions
DESC file, and use_charnames_in_special keyword: Postprocessor Access
description file, font: Using Fonts
device description files, comments: DESC File Format
device request, and copy mode: Postprocessor Access
device resolution: Page Geometry
device resolution: DESC File Format
device resolution, obtaining in the formatter: Measurements
devices for output: Output Device Intro
dg glyph, at end of sentence: Sentences
dg glyph, at end of sentence: Using Symbols
di request, and warnings: Warnings
di request, and warnings: Warnings
differences in implementation: Implementation Differences
digit-width space (\0): Page Motions
digits, as delimiters: Delimiters
dimensions, line: Line Layout
directories for fonts: Font Directories
directories for macros: Macro Directories
directory, current: Macro Directories
directory, for tmac files: Macro Directories
directory, home: Macro Directories
directory, platform-specific: Macro Directories
directory, site-local: Macro Directories
directory, site-local: Font Directories
disabling hyphenation (\%): Manipulating Hyphenation
disabling \ (eo): Using Escape Sequences
discardable horizontal space: Manipulating Filling and Adjustment
displays: Displays and Keeps
displays [ms]: ms keeps and displays
displays, and footnotes [ms]: ms Footnotes
distance to next vertical position trap register (.t): Page Location Traps
diversion: Deferring Output
diversion name register (.z): Diversions
diversion trap, setting (dt): Diversion Traps
diversion traps: Diversion Traps
diversion, appending to (da, boxa): Diversions
diversion, beginning (di, box): Diversions
diversion, creating alias for (als): Strings
diversion, ending (di, box): Diversions
diversion, nested: Diversions
diversion, removing (rm): Strings
diversion, removing alias for (rm): Strings
diversion, renaming (rn): Strings
diversion, stripping final newline: Punning Names
diversion, top-level: Diversions
diversion, top-level, and bp: Page Control
diversion, top-level, and \!: Diversions
diversion, top-level, and \?: Diversions
diversion, unformatting (asciify): Diversions
diversion, vertical position in, register (.d): Diversions
diversions: Diversions
diversions: Punning Names
diversions, and traps: Page Location Traps
diversions, shared name space with macros and strings: Identifiers
division, truncating: Numeric Expressions
dl register, and da (boxa): Diversions
dn register, and da (boxa): Diversions
document description macros, [ms]: ms Document Description Macros
document formats: Document Formats
documents, multi-file: Debugging
documents, structuring the source of: Invoking Requests
dot, as delimiter: Delimiters
double quote, embedding in a macro argument: Calling Macros
double quotes, trailing, in strings: Strings
double-spacing (ls): Manipulating Spacing
double-spacing (vs, pvs): Changing the Vertical Spacing
down-casing a string (stringdown): Strings
drawing a filled circle (‘\D'C …'’): Drawing Geometric Objects
drawing a filled ellipse (‘\D'E …'’): Drawing Geometric Objects
drawing a filled polygon (‘\D'P …'’): Drawing Geometric Objects
drawing a line (‘\D'l …'’): Drawing Geometric Objects
drawing a solid circle (‘\D'C …'’): Drawing Geometric Objects
drawing a solid ellipse (‘\D'E …'’): Drawing Geometric Objects
drawing a solid polygon (‘\D'P …'’): Drawing Geometric Objects
drawing a spline (‘\D'~ …'’): Drawing Geometric Objects
drawing a stroked circle (‘\D'c …'’): Drawing Geometric Objects
drawing a stroked ellipse (‘\D'e …'’): Drawing Geometric Objects
drawing a stroked polygon (‘\D'p …'’): Drawing Geometric Objects
drawing an arc (‘\D'a …'’): Drawing Geometric Objects
drawing an outlined circle (‘\D'c …'’): Drawing Geometric Objects
drawing an outlined ellipse (‘\D'e …'’): Drawing Geometric Objects
drawing an outlined polygon (‘\D'p …'’): Drawing Geometric Objects
drawing horizontal lines (\l): Drawing Geometric Objects
drawing position: Page Geometry
drawing position, vertical (nl): Page Control
drawing requests: Drawing Geometric Objects
drawing vertical lines (\L): Drawing Geometric Objects
ds request, and comments: Strings
ds request, and double quotes: Strings
ds request, and leading spaces: Strings
ds, ds1 requests, and comments: Comments
ds, ds1 requests, and warnings: Warnings
dummy character (\&): Dummy Characters
dummy character (\&), as control character suppressor: Requests and Macros
dummy character (\&), effect on kerning: Ligatures and Kerning
dummy character (\&), effect on \l escape sequence: Drawing Geometric Objects
dummy character, transparent (\)): Dummy Characters
dummy environment, used by \w escape sequence: Page Motions
dumping environments (pev): Debugging
dumping page location traps (ptr): Debugging
dumping registers (pnr): Debugging
dumping symbol table (pm): Debugging
E
EBCDIC output encoding: Groff Options
EBCDIC, input encoding: Input Encodings
ejection, page: Page Geometry
ejection, page: Page Control
ejection, page: The Implicit Page Trap
ejection, page, of final page: End-of-input Traps
ejection, page, prevented by vpt: Vertical Position Traps
el request, and warnings: Warnings
ellipse, filled, drawing (‘\D'E …'’): Drawing Geometric Objects
ellipse, outlined, drawing (‘\D'e …'’): Drawing Geometric Objects
ellipse, solid, drawing (‘\D'E …'’): Drawing Geometric Objects
ellipse, stroked, drawing (‘\D'e …'’): Drawing Geometric Objects
em glyph, and cflags: Using Symbols
em scaling unit (m): Measurements
embolding of special fonts: Artificial Fonts
empty line: Breaking
en scaling unit (n): Measurements
enabling vertical position traps (vpt): Vertical Position Traps
encoding, input, code page 1047: Input Encodings
encoding, input, EBCDIC: Input Encodings
encoding, input, Latin-1 (ISO 8859-1): Input Encodings
encoding, input, Latin-2 (ISO 8859-2): Input Encodings
encoding, input, Latin-5 (ISO 8859-9): Input Encodings
encoding, input, Latin-9 (ISO 8859-15): Input Encodings
encoding, output, ASCII: Groff Options
encoding, output, code page 1047: Groff Options
encoding, output, EBCDIC: Groff Options
encoding, output, ISO 646: Groff Options
encoding, output, Latin-1 (ISO 8859-1): Groff Options
encoding, output, UTF-8: Groff Options
end of conditional block (\}): Conditional Blocks
end-of-input macro (em): End-of-input Traps
end-of-input trap, setting (em): End-of-input Traps
end-of-input traps: End-of-input Traps
end-of-sentence characters: Sentences
end-of-sentence characters: Using Symbols
end-of-sentence transparent characters: Sentences
ending diversion (di, box): Diversions
endnotes: Footnotes and Endnotes
environment: Deferring Output
environment availability and naming, incompatibilities with: Other Differences
environment number/name register (.ev): Environments
environment variables: Environment
environment, copying (evc): Environments
environment, dimensions of last glyph (.w, .cht, .cdp, .csk): Environments
environment, dummy, used by \w escape sequence: Page Motions
environment, previous line length (.n): Environments
environment, switching (ev): Environments
environments: Environments
environments, dumping (pev): Debugging
equality operator: Numeric Expressions
equation example [ms]: ms Insertions
equations [ms]: ms Insertions
escape character, changing (ec): Using Escape Sequences
escape character, formatting (\e): Using Escape Sequences
escape character, while defining glyph: Using Symbols
escape sequence: Formatter Instructions
escape sequence argument delimiters: Delimiters
escape sequences: Using Escape Sequences
escape sequences, brace (\{, \}): Conditional Blocks
escaping newline characters, in strings: Strings
ex request, use in debugging: Debugging
ex request, used with nx and rd: I/O
example markup, bulleted list [ms]: Lists in ms
example markup, cover page in [ms]: ms Document Description Macros
example markup, glossary-style list [ms]: Lists in ms
example markup, numbered list [ms]: Lists in ms
examples of invocation: Invocation Examples
exiting (ex): Debugging
expansion of strings (\*): Strings
explicit hyphen (\%): Manipulating Hyphenation
explicit hyphenation: Manipulating Hyphenation
expression, limitation of logical not in: Numeric Expressions
expression, order of evaluation: Numeric Expressions
expressions, and register format: Assigning Register Formats
expressions, and space characters: Numeric Expressions
expressions, conditional: Operators in Conditionals
expressions, numeric: Numeric Expressions
extra post-vertical line space (\x): Changing the Vertical Spacing
extra post-vertical line space register (.a): Manipulating Spacing
extra pre-vertical line space (\x): Changing the Vertical Spacing
extra spaces between words: Adjustment
extreme values representable with Roman numerals: Assigning Register Formats
extremum operators (>?, <?): Numeric Expressions
F
f scaling unit: Colors
factor, zoom, of a font (fzoom): Selecting Fonts
fallback character, defining (fchar, fschar, schar): Using Symbols
fallback glyph, removing definition (rchar, rfschar): Using Symbols
fam request, and changing fonts: Selecting Fonts
families, font: Font Families
family, font: Using Fonts
features, common: Common Features
fi request, causing implicit break: Manipulating Filling and Adjustment
field delimiting character (fc): Fields
field padding character (fc): Fields
fields: Fields
fields, and tabs: Tabs and Fields
figure space (\0): Page Motions
figures [ms]: ms Insertions
file formats: File Formats
file names, breaking (\:): Manipulating Hyphenation
file, appending to (opena): I/O
file, closing (close): I/O
file, font description: Using Fonts
file, inclusion (so): I/O
file, macro, search path: Macro Directories
file, opening (open): I/O
file, processing next (nx): I/O
file, writing to (write, writec): I/O
files, font: Device and Font Description Files
fill color: Colors
fill color name register (.M): Colors
fill mode (fi), enabling: Manipulating Filling and Adjustment
fill mode, and \c: Line Continuation
fill mode, disabling: Manipulating Filling and Adjustment
filled circle, drawing (‘\D'C …'’): Drawing Geometric Objects
filled ellipse, drawing (‘\D'E …'’): Drawing Geometric Objects
filled polygon, drawing (‘\D'P …'’): Drawing Geometric Objects
filling: Filling
filling and adjustment, manipulating: Manipulating Filling and Adjustment
filling of output, disabling (nf): Manipulating Filling and Adjustment
filling of output, enabling (fi): Manipulating Filling and Adjustment
filling, and break warnings: Warnings
filling, and inter-sentence space: Manipulating Filling and Adjustment
final newline, stripping in diversions: Punning Names
fl request, causing implicit break: Manipulating Filling and Adjustment
floating keep: Displays and Keeps
flush output (fl): Debugging
font: Using Fonts
font aliasing with third argument to fp request: Font Positions
font description file: Using Fonts
font description file format: DESC File Format
font description file, format: Font Description File Format
font description files, comments: Font Description File Format
font directories: Font Directories
font families: Font Families
font family: Using Fonts
font family, changing (fam, \F): Font Families
font file, format: Font Description File Format
font files: Device and Font Description Files
font for underlining (uf): Artificial Fonts
font height, changing (\H): Artificial Fonts
font metrics: Using Fonts
font mounting, automatic: Selecting Fonts
font path: Font Directories
font position register (.f): Font Positions
font positions: Font Positions
font slant, changing (\S): Artificial Fonts
font style: Using Fonts
font style, abstract: Using Fonts
font style, abstract, setting up (sty): Font Families
font styles: Font Families
font translation (ftr): Selecting Fonts
font, magnification (fzoom): Selecting Fonts
font, mounting (fp): Font Positions
font, optical size: Selecting Fonts
font, previous, selecting (\f[], \fP): Selecting Fonts
font, previous, slecting (ft): Selecting Fonts
font, selection: Selecting Fonts
font, special: Using Fonts
font, text: Using Fonts
font, unstyled: Using Fonts
font, zoom factor (fzoom): Selecting Fonts
fonts, artificial: Artificial Fonts
fonts, changing (ft, \f): Selecting Fonts
fonts, searching: Font Directories
fonts, special: Special Fonts
footers: Page Layout
footers: Page Location Traps
footers [ms]: ms Headers and Footers
footnote marker [ms]: ms Footnotes
footnotes: Footnotes and Endnotes
footnotes [ms]: ms Footnotes
footnotes, and displays [ms]: ms Footnotes
footnotes, and keeps [ms]: ms Footnotes
form letters: I/O
format of font description file: DESC File Format
format of font description files: Font Description File Format
format of font files: Font Description File Format
format of register (\g): Assigning Register Formats
format, paper: Paper Format
formats, file: File Formats
formatter instructions: Formatter Instructions
formatting a backslash glyph (\[rs]): Using Escape Sequences
formatting a title line (tl): Page Layout
formatting the escape character (\e): Using Escape Sequences
formatting the time: I/O
fp request, and font translations: Selecting Fonts
fp request, incompatibilities with AT&T troff: Other Differences
fractional point sizes: Using Fractional Type Sizes
fractional point sizes: Other Differences
fractional type sizes: Using Fractional Type Sizes
fractional type sizes: Other Differences
fractional type sizes in ms macros: Differences from AT&T ms
French spacing: Sentences
fspecial request, and font styles: Font Families
fspecial request, and font translations: Selecting Fonts
fspecial request, and glyph search order: Using Symbols
fspecial request, and imitating bold: Artificial Fonts
ft request, and font translations: Selecting Fonts
full-service macro package: Major Macro Packages
G
geometry, page: Page Geometry
GGL (groff glyph list): Using Symbols
GGL (groff glyph list): Character Classes
glossary-style list, example markup [ms]: Lists in ms
glyph: Using Symbols
glyph for line drawing: Drawing Geometric Objects
glyph names, composite: Using Symbols
glyph pile (\b): Drawing Geometric Objects
glyph properties (cflags): Using Symbols
glyph, box rule (\[br]): Drawing Geometric Objects
glyph, constant space: Artificial Fonts
glyph, defining (char): Using Symbols
glyph, distinguished from character: Using Symbols
glyph, for line drawing: Drawing Geometric Objects
glyph, for margins (mc): Miscellaneous
glyph, last, dimensions (.w, .cht, .cdp, .csk): Environments
glyph, leader repetition (lc): Leaders
glyph, numbered (\N): Character Translations
glyph, numbered (\N): Using Symbols
glyph, removing definition (rchar, rfschar): Using Symbols
glyph, soft hyphen (hy): Manipulating Hyphenation
glyph, tab repetition (tc): Tabs and Fields
glyph, underscore (\[ru]): Drawing Geometric Objects
glyphs, available, list of (groff_char(7) man page): Using Symbols
glyphs, output, and input characters, compatibility with AT&T troff: Other Differences
glyphs, overstriking (\o): Page Motions
glyphs, unnamed: Using Symbols
glyphs, unnamed, accessing with \N: Font Description File Format
GNU troff, identification register (.g): Built-in Registers
GNU troff, PID register ($$): Built-in Registers
GNU troff, process ID register ($$): Built-in Registers
GNU-specific register (.g): Built-in Registers
graphic renditions: Using Fonts
greater than (or equal to) operator: Numeric Expressions
groff capabilities: groff Capabilities
groff glyph list (GGL): Using Symbols
groff glyph list (GGL): Character Classes
groff invocation: Invoking groff
groff, and pi request: I/O
groff—what is it?: What Is groff?
GROFF_BIN_PATH, environment variable: Environment
GROFF_COMMAND_PREFIX, environment variable: Environment
GROFF_ENCODING, environment variable: Environment
GROFF_FONT_PATH, environment variable: Environment
GROFF_FONT_PATH, environment variable: Font Directories
GROFF_TMAC_PATH, environment variable: Environment
GROFF_TMAC_PATH, environment variable: Macro Directories
GROFF_TMPDIR, environment variable: Environment
GROFF_TYPESETTER, environment variable: Environment
grohtml, the program: Groff Options
gtroff, interactive use: Debugging
gtroff, output: gtroff Output
gtroff, reference: GNU troff Reference
H
hair space (\^): Page Motions
hcode request, and glyph definitions: Using Symbols
headers: Page Layout
headers: Page Location Traps
headers [ms]: ms Headers and Footers
height, font, changing (\H): Artificial Fonts
height, of last glyph (.cht): Environments
high-water mark register (.h): Diversions
home directory: Macro Directories
horizontal discardable space: Manipulating Filling and Adjustment
horizontal input line position register (hp): Page Motions
horizontal input line position, saving (\k): Page Motions
horizontal line, drawing (\l): Drawing Geometric Objects
horizontal motion (\h): Page Motions
horizontal motion quantum: DESC File Format
horizontal motion quantum register (.H): Motion Quanta
horizontal output line position register (.k): Page Motions
horizontal resolution: DESC File Format
horizontal resolution register (.H): Motion Quanta
horizontal space (\h): Page Motions
horizontal space, unformatting: Punning Names
horizontal tab character: Tabs and Leaders
hours, current time (hours): Built-in Registers
hpf request, and hyphenation language: Manipulating Hyphenation
hw request, and hy restrictions: Manipulating Hyphenation
hw request, and hyphenation language: Manipulating Hyphenation
hy glyph, and cflags: Using Symbols
hyphen, explicit (\%): Manipulating Hyphenation
hyphenated lines, consecutive (hlm): Manipulating Hyphenation
hyphenating characters: Using Symbols
hyphenation: Hyphenation
hyphenation character (\%): Manipulating Hyphenation
hyphenation code (hcode): Manipulating Hyphenation
hyphenation consecutive line count register (.hlc): Manipulating Hyphenation
hyphenation consecutive line limit register (.hlm): Manipulating Hyphenation
hyphenation exceptions: Manipulating Hyphenation
hyphenation language register (.hla): Manipulating Hyphenation
hyphenation margin (hym): Manipulating Hyphenation
hyphenation margin register (.hym): Manipulating Hyphenation
hyphenation mode register (.hy): Manipulating Hyphenation
hyphenation parameters, automatic: Manipulating Hyphenation
hyphenation pattern files: Manipulating Hyphenation
hyphenation patterns (hpf): Manipulating Hyphenation
hyphenation space (hys): Manipulating Hyphenation
hyphenation space adjustment threshold: Manipulating Hyphenation
hyphenation space adjustment threshold register (.hys): Manipulating Hyphenation
hyphenation, automatic: Manipulating Hyphenation
hyphenation, disabling (\%): Manipulating Hyphenation
hyphenation, explicit: Manipulating Hyphenation
hyphenation, incompatibilities with AT&T troff: Other Differences
hyphenation, manipulating: Manipulating Hyphenation
hyphenation, manual: Manipulating Hyphenation
I
i scaling unit: Measurements
i/o: I/O
IBM code page 1047 input encoding: Input Encodings
IBM code page 1047 output encoding: Groff Options
identifiers: Identifiers
identifiers, undefined: Identifiers
ie request, and font translations: Selecting Fonts
ie request, and warnings: Warnings
ie request, operators to use with: Operators in Conditionals
if request, and font translations: Selecting Fonts
if request, and the ‘!’ operator: Numeric Expressions
if request, operators to use with: Operators in Conditionals
if-else: if-else
if-then: if-then
imitating boldface (bd): Artificial Fonts
implementation differences: Implementation Differences
implicit line break: Breaking
implicit trap: The Implicit Page Trap
in request, causing implicit break: Manipulating Filling and Adjustment
in request, using + and - with: Numeric Expressions
inch scaling unit (i): Measurements
including a file (so): I/O
incompatibilities with AT&T troff: Implementation Differences
increment value without changing the register: Auto-increment
incrementation, automatic, of a register: Auto-increment
indentation (in): Line Layout
indentation, of roff source code: Invoking Requests
index, in macro package: Indexing
indicator, scaling: Measurements
indirect assignments: Interpolating Registers
input and output requests: I/O
input characters and output glyphs, compatibility with AT&T troff: Other Differences
input characters, invalid: Identifiers
input conventions: Input Conventions
input encoding, code page 1047: Input Encodings
input encoding, EBCDIC: Input Encodings
input encoding, Latin-1 (ISO 8859-1): Input Encodings
input encoding, Latin-2 (ISO 8859-2): Input Encodings
input encoding, Latin-5 (ISO 8859-9): Input Encodings
input encoding, Latin-9 (ISO 8859-15): Input Encodings
input file name, current, register (.F): Built-in Registers
input level: Calling Macros
input level in delimited arguments: Compatibility Mode
input line continuation (\RET): Line Continuation
input line number register (.c, c.): Built-in Registers
input line number, setting (lf): Debugging
input line position, horizontal, saving (\k): Page Motions
input line trap, clearing (it, itc): Input Line Traps
input line trap, setting (it, itc): Input Line Traps
input line traps: Input Line Traps
input line traps and interrupted lines (itc): Input Line Traps
input line, horizontal position, register (hp): Page Motions
input line, productive: Manipulating Filling and Adjustment
input stack, backtrace (backtrace): Debugging
input stack, setting limit: Debugging
input token: Gtroff Internals
input, 8-bit: Font Description File Format
input, standard, reading from (rd): I/O
inserting horizontal space (\h): Page Motions
installation: Installation
instructing the formatter: Formatter Instructions
inter-sentence space size register (.sss): Manipulating Filling and Adjustment
inter-sentence space, additional: Manipulating Filling and Adjustment
inter-word spacing, minimal: Manipulating Filling and Adjustment
interactive use of gtroff: Debugging
intercepting requests: Control Characters
intermediate output: gtroff Output
interpolating registers (\n): Interpolating Registers
interpolation: Requests and Macros
interpolation depth: Calling Macros
interpolation depth in delimited arguments: Compatibility Mode
interpolation of strings (\*): Strings
interpretation mode: Copy Mode
interrupted line: Line Continuation
interrupted line register (.int): Line Continuation
interrupted lines and input line traps (itc): Input Line Traps
introduction: Introduction
invalid characters for trf request: I/O
invalid input characters: Identifiers
invocation examples: Invocation Examples
invoking groff: Invoking groff
invoking requests: Invoking Requests
ISO 646 output encoding: Groff Options
ISO 8859-1 (Latin-1) output encoding: Groff Options
ISO 8859-1 (Latin-1), input encoding: Input Encodings
ISO 8859-15 (Latin-9), input encoding: Input Encodings
ISO 8859-2 (Latin-2), input encoding: Input Encodings
ISO 8859-9 (Latin-5), input encoding: Input Encodings
italic correction (\/): Italic Corrections
J
justifying text: Manipulating Filling and Adjustment
justifying text (rj): Manipulating Filling and Adjustment
K
keep, floating: Displays and Keeps
keeps (introduction): Displays and Keeps
keeps [ms]: ms keeps and displays
keeps, and footnotes [ms]: ms Footnotes
kerning and ligatures: Ligatures and Kerning
kerning enabled register (.kern): Ligatures and Kerning
kerning, activating (kern): Ligatures and Kerning
kerning, track: Ligatures and Kerning
L
landscape page orientation: Paper Format
language [ms]: ms language and localization
last glyph, dimensions (.w, .cht, .cdp, .csk): Environments
last-requested point size registers (.psr, .sr): Using Fractional Type Sizes
last-requested type size registers (.psr, .sr): Using Fractional Type Sizes
Latin-1 (ISO 8859-1) output encoding: Groff Options
Latin-1 (ISO 8859-1), input encoding: Input Encodings
Latin-2 (ISO 8859-2), input encoding: Input Encodings
Latin-5 (ISO 8859-9), input encoding: Input Encodings
Latin-9 (ISO 8859-15), input encoding: Input Encodings
layout, line: Line Layout
layout, page: Page Layout
lc request, and glyph definitions: Using Symbols
leader character: Tabs and Leaders
leader character: Leaders
leader character, and translations: Character Translations
leader character, non-interpreted (\a): Leaders
leader repetition character (lc): Leaders
leaders: Leaders
leading: Manipulating Type Size and Vertical Spacing
leading space macro (lsm): Breaking
leading space traps: Leading Space Traps
leading spaces: Breaking
leading spaces macro (lsm): Leading Space Traps
leading spaces with ds: Strings
left italic correction (\,): Italic Corrections
left margin (po): Line Layout
length of a string (length): Strings
length of line (ll): Line Layout
length of previous line (.n): Environments
length of the page, configuring (pl): Page Layout
length of title line, configuring (lt): Page Layout
length request, and copy mode: Strings
less than (or equal to) operator: Numeric Expressions
letters, form: I/O
level, input: Calling Macros
level, suppression nesting, register: Suppressing Output
lf request, incompatibilities with AT&T troff: Other Differences
ligature: Using Symbols
ligatures and kerning: Ligatures and Kerning
ligatures enabled register (.lg): Ligatures and Kerning
ligatures, activating (lg): Ligatures and Kerning
limitations of \b escape sequence: Drawing Geometric Objects
line break: Manipulating Filling and Adjustment
line break (introduction): Basics
line break, output: Breaking
line control: Line Continuation
line dimensions: Line Layout
line drawing glyph: Drawing Geometric Objects
line drawing glyph: Drawing Geometric Objects
line indentation (in): Line Layout
line layout: Line Layout
line length (ll): Line Layout
line length register (.l): Line Layout
line length, previous (.n): Environments
line number, input, register (.c, c.): Built-in Registers
line number, output, register (ln): Miscellaneous
line numbers, printing (nm): Miscellaneous
line space, extra post-vertical (\x): Changing the Vertical Spacing
line space, extra pre-vertical (\x): Changing the Vertical Spacing
line spacing register (.L): Manipulating Spacing
line spacing, post-vertical (pvs): Changing the Vertical Spacing
line thickness (‘\D't …'’): Drawing Geometric Objects
line, blank: Breaking
line, drawing (‘\D'l …'’): Drawing Geometric Objects
line, horizontal, drawing (\l): Drawing Geometric Objects
line, input, continuation (\RET): Line Continuation
line, input, horizontal position, register (hp): Page Motions
line, input, horizontal position, saving (\k): Page Motions
line, interrupted: Line Continuation
line, output, continuation (\c): Line Continuation
line, output, horizontal position, register (.k): Page Motions
line, productive input: Manipulating Filling and Adjustment
line, vertical, drawing (\L): Drawing Geometric Objects
line-tabs mode: Tabs and Fields
lines, blank, disabling: Manipulating Spacing
lines, centering (ce): Manipulating Filling and Adjustment
lines, centering (introduction): Basics
lines, consecutive hyphenated (hlm): Manipulating Hyphenation
lines, interrupted, and input line traps (itc): Input Line Traps
lines, right-aligning (introduction): Basics
lines, right-justifying (introduction): Basics
list of special characters (groff_char(7) man page): Using Symbols
listing page location traps (ptr): Debugging
lists: Paragraphs
ll request, using + and - with: Numeric Expressions
localization: Manipulating Hyphenation
localization [ms]: ms language and localization
locating macro files: Macro Directories
locating macro packages: Macro Directories
location, vertical, page, marking (mk): Page Motions
location, vertical, page, returning to marked (rt): Page Motions
logical “and” operator: Numeric Expressions
logical “or” operator: Numeric Expressions
logical complementation operator: Numeric Expressions
logical conjunction operator: Numeric Expressions
logical disjunction operator: Numeric Expressions
logical not, limitation in expression: Numeric Expressions
logical operators: Numeric Expressions
long names: Compatibility Mode
loops and conditionals: Conditionals and Loops
lowercasing a string (stringdown): Strings
ls request, alternative to (pvs): Changing the Vertical Spacing
lt request, using + and - with: Numeric Expressions
M
m scaling unit: Measurements
M scaling unit: Measurements
machine units: Page Geometry
macro: Requests and Macros
macro arguments: Calling Macros
macro arguments, and compatibility mode: Gtroff Internals
macro arguments, and tabs: Invoking Requests
macro directories: Macro Directories
macro file search path: Macro Directories
macro name register (\$0): Parameters
macro names, starting with [ or ], and refer: Identifiers
macro package: Macro Packages
macro package search path: Macro Directories
macro package usage, basics of: Basics
macro package, auxiliary: Major Macro Packages
macro package, full-service: Major Macro Packages
macro package, introduction: Macro Package Intro
macro package, major: Major Macro Packages
macro package, minor: Major Macro Packages
macro package, structuring the source of: Invoking Requests
macro, appending to (am): Writing Macros
macro, creating alias for (als): Strings
macro, end-of-input (em): End-of-input Traps
macro, parameters (\$): Parameters
macro, removing (rm): Strings
macro, removing alias for (rm): Strings
macro, renaming (rn): Strings
macros, recursive: while
macros, searching: Macro Directories
macros, shared name space with strings and diversions: Identifiers
macros, tutorial for users: Tutorial for Macro Users
macros, writing: Writing Macros
magnification of a font (fzoom): Selecting Fonts
major macro package: Major Macro Packages
major version number register (.x): Built-in Registers
man macros, custom headers and footers: Optional man extensions
man macros, Ultrix-specific: Optional man extensions
man pages: man
manipulating filling and adjustment: Manipulating Filling and Adjustment
manipulating hyphenation: Manipulating Hyphenation
manipulating spacing: Manipulating Spacing
manipulating type size and vertical spacing: Manipulating Type Size and Vertical Spacing
manual hyphenation: Manipulating Hyphenation
manual pages: man
margin for hyphenation (hym): Manipulating Hyphenation
margin glyph (mc): Miscellaneous
margin, bottom: Page Location Traps
margin, left (po): Line Layout
margin, right: Line Layout
margin, top: Page Location Traps
mark, high-water, register (.h): Diversions
marker, footnote [ms]: ms Footnotes
marking vertical page location (mk): Page Motions
maximum operator: Numeric Expressions
maximum value representable with Roman numerals: Assigning Register Formats
mdoc macros: mdoc
me macro package: me
measurement units: Measurements
measurements: Measurements
measurements, specifying safely: Default Units
metrics, font: Using Fonts
minimal inter-word spacing: Manipulating Filling and Adjustment
minimum operator: Numeric Expressions
minimum value representable with Roman numerals: Assigning Register Formats
minor macro package: Major Macro Packages
minor version number register (.y): Built-in Registers
minutes, current time (minutes): Built-in Registers
mm macro package: mm
mode for constant glyph space (cs): Artificial Fonts
mode, compatibility: Compatibility Mode
mode, compatibility, and parameters: Gtroff Internals
mode, copy: Copy Mode
mode, copy: Copy Mode
mode, copy, and cf request: I/O
mode, copy, and device request: Postprocessor Access
mode, copy, and length request: Strings
mode, copy, and macro parameters: Parameters
mode, copy, and output request: Diversions
mode, copy, and trf request: I/O
mode, copy, and write request: I/O
mode, copy, and writec request: I/O
mode, copy, and writem request: I/O
mode, copy, and \!: Diversions
mode, copy, and \?: Operators in Conditionals
mode, copy, and \?: Diversions
mode, copy, and \a: Leaders
mode, copy, and \t: Tabs and Fields
mode, copy, and \V: I/O
mode, fill (fi), enabling: Manipulating Filling and Adjustment
mode, fill, and break warnings: Warnings
mode, fill, and inter-sentence space: Manipulating Filling and Adjustment
mode, fill, and \c: Line Continuation
mode, fill, disabling: Manipulating Filling and Adjustment
mode, interpretation: Copy Mode
mode, line-tabs: Tabs and Fields
mode, no-fill: Manipulating Filling and Adjustment
mode, no-fill, and \c: Line Continuation
mode, no-space (ns): Manipulating Spacing
mode, nroff: troff and nroff Modes
mode, safer: Groff Options
mode, safer: Macro Directories
mode, safer: Built-in Registers
mode, safer: I/O
mode, safer: I/O
mode, safer: I/O
mode, safer: I/O
mode, safer: Safer Mode
mode, troff: troff and nroff Modes
mode, unsafe: Groff Options
mode, unsafe: Macro Directories
mode, unsafe: Built-in Registers
mode, unsafe: I/O
mode, unsafe: I/O
mode, unsafe: I/O
mode, unsafe: I/O
modifying requests: Control Characters
modulus: Numeric Expressions
mom macro package: mom
month of the year register (mo): Built-in Registers
motion operators: Numeric Expressions
motion quanta: Motion Quanta
motion quantum, horizontal: DESC File Format
motion quantum, horizontal, register (.H): Motion Quanta
motion quantum, vertical: DESC File Format
motion, horizontal (\h): Page Motions
motion, vertical (\v): Page Motions
motions, page: Page Motions
mounting a font (fp): Font Positions
mounting position: Using Fonts
mounting position: Using Fonts
mounting, font, automatic: Selecting Fonts
ms macros: ms
ms macros, accent marks: ms Legacy Features
ms macros, body text: ms Body Text
ms macros, creating table of contents: ms TOC
ms macros, displays: ms keeps and displays
ms macros, document control settings: ms Document Control Settings
ms macros, document description: ms Document Description Macros
ms macros, equations: ms Insertions
ms macros, figures: ms Insertions
ms macros, footers: ms Headers and Footers
ms macros, footnotes: ms Footnotes
ms macros, fractional type sizes in: Differences from AT&T ms
ms macros, general structure: ms Document Structure
ms macros, groff differences from AT&T: Differences from AT&T ms
ms macros, headers: ms Headers and Footers
ms macros, headings: Headings in ms
ms macros, keeps: ms keeps and displays
ms macros, language: ms language and localization
ms macros, lists: Lists in ms
ms macros, localization: ms language and localization
ms macros, margins: ms Margins
ms macros, multiple columns: ms Multiple Columns
ms macros, naming conventions: ms Naming Conventions
ms macros, nested lists: Indented regions in ms
ms macros, obtaining typographical symbols: Typographical symbols in ms
ms macros, page layout: ms Page Layout
ms macros, paragraph handling: Paragraphs in ms
ms macros, references: ms Insertions
ms macros, special characters: ms Legacy Features
ms macros, strings: ms Legacy Features
ms macros, tables: ms Insertions
ms macros, text settings: Text settings in ms
multi-file documents: Debugging
multi-line strings: Strings
multi-page table example [ms]: ms Insertions
multiple columns [ms]: ms Multiple Columns
multiplication: Numeric Expressions
N
n scaling unit: Measurements
name space, common, of macros, diversions, and strings: Identifiers
name, background color, register (.M): Colors
name, fill color, register (.M): Colors
name, stroke color, register (.m): Colors
named character (\C): Using Symbols
names, long: Compatibility Mode
naming conventions, ms macros: ms Naming Conventions
ne request, and the .trunc register: Page Location Traps
ne request, comparison with sv: Page Control
negating register values: Setting Registers
negation: Numeric Expressions
nested assignments: Interpolating Registers
nested diversions: Diversions
nested lists [ms]: Indented regions in ms
nesting level, suppression, register: Suppressing Output
new page (bp): Page Control
newline character, and translations: Character Translations
newline character, in strings, escaping: Strings
newline, as delimiter: Delimiters
newline, final, stripping in diversions: Punning Names
next file, processing (nx): I/O
next free font position register (.fp): Font Positions
next page number register (.pn): Page Layout
next page number, configuring (pn): Page Layout
nf request, causing implicit break: Manipulating Filling and Adjustment
nl register, and .d: Diversions
nl register, difference from .h: Diversions
nm request, using + and - with: Numeric Expressions
no-break control character ('): Requests and Macros
no-break control character, changing (c2): Control Characters
no-fill mode: Manipulating Filling and Adjustment
no-fill mode, and \c: Line Continuation
no-space mode (ns): Manipulating Spacing
node, output: Gtroff Internals
non-printing break point (\:): Manipulating Hyphenation
nr request, and warnings: Warnings
nr request, using + and - with: Numeric Expressions
nroff mode: troff and nroff Modes
number formats, assigning to register (af): Assigning Register Formats
number of registers register (.R): Built-in Registers
number, input line, setting (lf): Debugging
number, page, next, configuring (pn): Page Layout
numbered glyph (\N): Character Translations
numbered glyph (\N): Using Symbols
numbered list, example markup [ms]: Lists in ms
numbers, line, printing (nm): Miscellaneous
numeral-width space (\0): Page Motions
numerals, as delimiters: Delimiters
numerals, Roman: Assigning Register Formats
numeric expression, valid: Numeric Expressions
numeric expressions: Numeric Expressions
O
object creation: Writing Macros
offset, page: Page Geometry
offset, page (po): Line Layout
open request, and safer mode: Groff Options
opena request, and safer mode: Groff Options
opening brace escape sequence (\}): Conditional Blocks
opening file (open): I/O
operator, scaling: Numeric Expressions
operators, arithmetic: Numeric Expressions
operators, as delimiters: Delimiters
operators, comparison: Numeric Expressions
operators, extremum (>?, <?): Numeric Expressions
operators, logical: Numeric Expressions
operators, motion: Numeric Expressions
operators, unary arithmetic: Numeric Expressions
optical size of a font: Selecting Fonts
options: Groff Options
order of evaluation in expressions: Numeric Expressions
ordinary character: Identifiers
orientation, landscape: Paper Format
orphan: Page Control
orphan lines, preventing with ne: Page Control
os request, and no-space mode: Page Control
outlined circle, drawing (‘\D'c …'’): Drawing Geometric Objects
outlined ellipse, drawing (‘\D'e …'’): Drawing Geometric Objects
outlined polygon, drawing (‘\D'p …'’): Drawing Geometric Objects
output and input requests: I/O
output comparison operator: Operators in Conditionals
output device name string (.T): Groff Options
output device name string (.T): Strings
output device name string (.T), in other implementations: Other Differences
output device usage register (.T): Groff Options
output device usage register (.T), incompatibility with AT&T troff: Other Differences
output devices: Output Device Intro
output encoding, ASCII: Groff Options
output encoding, code page 1047: Groff Options
output encoding, EBCDIC: Groff Options
output encoding, ISO 646: Groff Options
output encoding, Latin-1 (ISO 8859-1): Groff Options
output encoding, UTF-8: Groff Options
output glyphs, and input characters, compatibility with AT&T troff: Other Differences
output line break: Breaking
output line number register (ln): Miscellaneous
output line properties: Manipulating Filling and Adjustment
output line, continuation (\c): Line Continuation
output line, horizontal position, register (.k): Page Motions
output node: Gtroff Internals
output request, and copy mode: Diversions
output request, and \!: Diversions
output, filling, disablement of (nf): Manipulating Filling and Adjustment
output, filling, enablement of (fi): Manipulating Filling and Adjustment
output, flush (fl): Debugging
output, gtroff: gtroff Output
output, intermediate: gtroff Output
output, suppressing (\O): Suppressing Output
output, transparent (cf, trf): I/O
output, transparent (\!, \?): Diversions
output, transparent, incompatibilities with AT&T troff: Other Differences
output, troff: gtroff Output
overlapping characters: Using Symbols
overstriking glyphs (\o): Page Motions
P
p scaling unit: Measurements
P scaling unit: Measurements
package, macro: Macro Packages
package, macro, auxiliary: Major Macro Packages
package, macro, full-service: Major Macro Packages
package, macro, introduction: Macro Package Intro
package, macro, major: Major Macro Packages
package, macro, minor: Major Macro Packages
package, macro, search path: Macro Directories
package, package, structuring the source of: Invoking Requests
padding character, for fields (fc): Fields
page: Page Geometry
page break: Page Geometry
page break: Page Control
page break: The Implicit Page Trap
page break (introduction): Basics
page break, conditional (ne): Page Control
page break, final: End-of-input Traps
page break, prevented by vpt: Vertical Position Traps
page control: Page Control
page ejection: Page Geometry
page ejection: Page Control
page ejection: The Implicit Page Trap
page ejection status register (.pe): Page Location Traps
page ejection, of final page: End-of-input Traps
page ejection, prevented by vpt: Vertical Position Traps
page footers: Page Location Traps
page headers: Page Location Traps
page layout: Page Layout
page layout [ms]: ms Page Layout
page length register (.p): Page Layout
page length, configuring (pl): Page Layout
page location traps: Page Location Traps
page location traps, debugging: Page Location Traps
page location, vertical, marking (mk): Page Motions
page location, vertical, returning to marked (rt): Page Motions
page motions: Page Motions
page number character (%): Page Layout
page number character, changing (pc): Page Layout
page number register (%): Page Control
page number, configuring next (pn): Page Layout
page number, next, register (.pn): Page Layout
page offset: Page Geometry
page offset (po): Line Layout
page orientation, landscape: Paper Format
page, geometry of: Page Geometry
page, new (bp): Page Control
paper format: Paper Format
paper size: Paper Format
paragraphs: Paragraphs
parameter count register (.$): Parameters
parameters: Parameters
parameters, and compatibility mode: Gtroff Internals
parameters, macro (\$): Parameters
parentheses: Numeric Expressions
partially collected line: Manipulating Filling and Adjustment
path, for font files: Font Directories
path, for tmac files: Macro Directories
pattern files, for hyphenation: Manipulating Hyphenation
patterns for hyphenation (hpf): Manipulating Hyphenation
pending output line: Manipulating Filling and Adjustment
pi request, and groff: I/O
pi request, and safer mode: Groff Options
pi request, disabled by default: Safer Mode
pica scaling unit (P): Measurements
PID of GNU troff register ($$): Built-in Registers
pile, glyph (\b): Drawing Geometric Objects
pl request, using + and - with: Numeric Expressions
plain text approximation output register (.A): Groff Options
plain text approximation output register (.A): Built-in Registers
planting a trap: Traps
platform-specific directory: Macro Directories
pm request, incompatibilities with AT&T troff: Other Differences
pn request, using + and - with: Numeric Expressions
PNG image generation from PostScript: DESC File Format
po request, using + and - with: Numeric Expressions
point scaling unit (p): Measurements
point size registers (.s, .ps): Changing the Type Size
point size registers, last-requested (.psr, .sr): Using Fractional Type Sizes
point sizes, changing (ps, \s): Changing the Type Size
point sizes, fractional: Using Fractional Type Sizes
point sizes, fractional: Other Differences
polygon, filled, drawing (‘\D'P …'’): Drawing Geometric Objects
polygon, outlined, drawing (‘\D'p …'’): Drawing Geometric Objects
polygon, solid, drawing (‘\D'P …'’): Drawing Geometric Objects
polygon, stroked, drawing (‘\D'p …'’): Drawing Geometric Objects
position of lowest text line (.h): Diversions
position, absolute (sic) operator (|): Numeric Expressions
position, drawing: Page Geometry
position, horizontal input line, saving (\k): Page Motions
position, horizontal, in input line, register (hp): Page Motions
position, horizontal, in output line, register (.k): Page Motions
position, mounting: Using Fonts
position, vertical, in diversion, register (.d): Diversions
positions, font: Font Positions
post-vertical line spacing: Changing the Vertical Spacing
post-vertical line spacing register (.pvs): Changing the Vertical Spacing
post-vertical line spacing, changing (pvs): Changing the Vertical Spacing
postprocessor access: Postprocessor Access
postprocessors: Output Device Intro
PostScript, bounding box: Miscellaneous
PostScript, PNG image generation: DESC File Format
prefix, for commands: Environment
preprocessors: Preprocessor Intro
previous font, selecting (ft): Selecting Fonts
previous font, selecting (\f[], \fP): Selecting Fonts
previous line length (.n): Environments
print current page register (.P): Groff Options
printing backslash (\\, \e, \E, \[rs]): Other Differences
printing line numbers (nm): Miscellaneous
printing to stderr (tm, tm1, tmc): Debugging
printing, zero-width (\z, \Z): Page Motions
printing, zero-width (\z, \Z): Page Motions
process ID of GNU troff register ($$): Built-in Registers
processing next file (nx): I/O
productive input line: Manipulating Filling and Adjustment
properties of characters (cflags): Using Symbols
properties of glyphs (cflags): Using Symbols
properties of output lines: Manipulating Filling and Adjustment
ps request, and constant glyph space mode: Artificial Fonts
ps request, incompatibilities with AT&T troff: Other Differences
ps request, using + and - with: Numeric Expressions
ps request, with fractional type sizes: Using Fractional Type Sizes
pso request, and safer mode: Groff Options
pvs request, using + and - with: Numeric Expressions
Q
quanta, motion: Motion Quanta
quantum, horizontal motion: DESC File Format
quantum, vertical motion: DESC File Format
R
radicalex glyph, and cflags: Using Symbols
ragged-left text: Manipulating Filling and Adjustment
ragged-right text: Manipulating Filling and Adjustment
rc request, and glyph definitions: Using Symbols
read-only register removal, incompatibility with AT&T troff: Other Differences
read-only register, changing format: Assigning Register Formats
reading from standard input (rd): I/O
recursive macros: while
refer, and macro names starting with [ or ]: Identifiers
reference, gtroff: GNU troff Reference
references [ms]: ms Insertions
register format, in expressions: Assigning Register Formats
register, assigning number format to (af): Assigning Register Formats
register, built-in, removing: Built-in Registers
register, creating alias for (aln): Setting Registers
register, format (\g): Assigning Register Formats
register, read-only, removal, incompatibility with AT&T troff: Other Differences
register, removing (rr): Setting Registers
register, removing alias for (rr): Setting Registers
register, renaming (rnn): Setting Registers
registers: Registers
registers, built-in: Built-in Registers
registers, dumping (pnr): Debugging
registers, interpolating (\n): Interpolating Registers
registers, number of, register (.R): Built-in Registers
registers, setting (nr, \R): Setting Registers
removal of read-only registers, incompatibility with AT&T troff: Other Differences
removing a built-in register: Built-in Registers
removing a register (rr): Setting Registers
removing alias for register (rr): Setting Registers
removing alias, for diversion (rm): Strings
removing alias, for macro (rm): Strings
removing alias, for string (rm): Strings
removing diversion (rm): Strings
removing glyph definition (rchar, rfschar): Using Symbols
removing macro (rm): Strings
removing request (rm): Strings
removing string (rm): Strings
renaming a register (rnn): Setting Registers
renaming diversion (rn): Strings
renaming macro (rn): Strings
renaming request (rn): Strings
renaming string (rn): Strings
renditions, graphic: Using Fonts
request: Requests and Macros
request: Formatter Instructions
request arguments: Invoking Requests
request arguments, and compatibility mode: Gtroff Internals
request arguments, and tabs: Invoking Requests
request, removing (rm): Strings
request, renaming (rn): Strings
request, undefined: Comments
requests for drawing: Drawing Geometric Objects
requests for input and output: I/O
requests, intercepting: Control Characters
requests, invoking: Invoking Requests
requests, modifying: Control Characters
resolution, device: Page Geometry
resolution, device: DESC File Format
resolution, device, obtaining in the formatter: Measurements
resolution, horizontal: DESC File Format
resolution, horizontal, register (.H): Motion Quanta
resolution, vertical: DESC File Format
returning to marked vertical page location (rt): Page Motions
revision number register (.Y): Built-in Registers
right margin: Line Layout
right-aligning lines (introduction): Basics
right-justifying (rj): Manipulating Filling and Adjustment
right-justifying lines (introduction): Basics
rivers: Other Differences
rj request, causing implicit break: Manipulating Filling and Adjustment
rn glyph, and cflags: Using Symbols
roman glyph, correction after italic glyph (\/): Italic Corrections
roman glyph, correction before italic glyph (\,): Italic Corrections
Roman numerals: Assigning Register Formats
Roman numerals, extrema (maximum and minimum): Assigning Register Formats
rq glyph, at end of sentence: Sentences
rq glyph, at end of sentence: Using Symbols
rt request, using + and - with: Numeric Expressions
ru glyph, and cflags: Using Symbols
running system commands: I/O
S
s scaling unit: Using Fractional Type Sizes
safer mode: Groff Options
safer mode: Macro Directories
safer mode: Built-in Registers
safer mode: I/O
safer mode: I/O
safer mode: I/O
safer mode: I/O
safer mode: Safer Mode
saving horizontal input line position (\k): Page Motions
scaling indicator: Measurements
scaling operator: Numeric Expressions
scaling unit c: Measurements
scaling unit f: Colors
scaling unit i: Measurements
scaling unit m: Measurements
scaling unit M: Measurements
scaling unit n: Measurements
scaling unit p: Measurements
scaling unit P: Measurements
scaling unit s: Using Fractional Type Sizes
scaling unit u: Measurements
scaling unit v: Measurements
scaling unit z: Using Fractional Type Sizes
searching fonts: Font Directories
searching macros: Macro Directories
seconds, current time (seconds): Built-in Registers
selecting the previous font (ft): Selecting Fonts
sentence space: Sentences
sentence space size register (.sss): Manipulating Filling and Adjustment
sentences: Sentences
sequence, escape: Formatter Instructions
setting diversion trap (dt): Diversion Traps
setting end-of-input trap (em): End-of-input Traps
setting input line number (lf): Debugging
setting input line trap (it, itc): Input Line Traps
setting registers (nr, \R): Setting Registers
setting the page length (pl): Page Layout
setting up an abstract font style (sty): Font Families
shc request, and translations: Character Translations
site-local directory: Macro Directories
site-local directory: Font Directories
size of sentence space register (.sss): Manipulating Filling and Adjustment
size of word space register (.ss): Manipulating Filling and Adjustment
size, optical, of a font: Selecting Fonts
size, paper: Paper Format
size, size: Manipulating Type Size and Vertical Spacing
sizes, fractional: Other Differences
sizes, fractional type: Using Fractional Type Sizes
skew, of last glyph (.csk): Environments
slant, font, changing (\S): Artificial Fonts
soft hyphen character, setting (shc): Manipulating Hyphenation
soft hyphen glyph (hy): Manipulating Hyphenation
solid circle, drawing (‘\D'C …'’): Drawing Geometric Objects
solid ellipse, drawing (‘\D'E …'’): Drawing Geometric Objects
solid polygon, drawing (‘\D'P …'’): Drawing Geometric Objects
SOURCE_DATE_EPOCH, environment variable: Environment
sp request, and no-space mode: Manipulating Spacing
sp request, causing implicit break: Manipulating Filling and Adjustment
space between sentences: Sentences
space between sentences register (.sss): Manipulating Filling and Adjustment
space between words register (.ss): Manipulating Filling and Adjustment
space character, as delimiter: Delimiters
space characters, in expressions: Numeric Expressions
space, between sentences: Manipulating Filling and Adjustment
space, between words: Manipulating Filling and Adjustment
space, discardable, horizontal: Manipulating Filling and Adjustment
space, hair (\^): Page Motions
space, horizontal (\h): Page Motions
space, horizontal, unformatting: Punning Names
space, thin (\|): Page Motions
space, unbreakable (\~): Manipulating Filling and Adjustment
space, unbreakable and unadjustable (\SP): Page Motions
space, vertical, unit (v): Measurements
space, width of a digit (numeral) (\0): Page Motions
spaces with ds: Strings
spaces, in a macro argument: Calling Macros
spaces, leading and trailing: Breaking
spacing (introduction): Basics
spacing, manipulating: Manipulating Spacing
spacing, vertical: Page Geometry
spacing, vertical: Manipulating Type Size and Vertical Spacing
spacing, vertical (introduction): Basics
special characters: Sentences
special characters: Character Translations
special characters [ms]: ms Legacy Features
special characters, list of (groff_char(7) man page): Using Symbols
special font: Using Fonts
special fonts: Using Symbols
special fonts: Special Fonts
special fonts: Font Description File Format
special fonts, emboldening: Artificial Fonts
special request, and font translations: Selecting Fonts
special request, and glyph search order: Using Symbols
spline, drawing (‘\D'~ …'’): Drawing Geometric Objects
springing a trap: Traps
sqrtex glyph, and cflags: Using Symbols
ss request, incompatibilities with AT&T troff: Other Differences
stack: Environments
stacking glyphs (\b): Drawing Geometric Objects
standard input, reading from (rd): I/O
stderr, printing to (tm, tm1, tmc): Debugging
stops, tab: Tabs and Leaders
string arguments: Strings
string comparison: Operators in Conditionals
string expansion (\*): Strings
string interpolation (\*): Strings
string, appending (as): Strings
string, creating alias for (als): Strings
string, length of (length): Strings
string, removing (rm): Strings
string, removing alias for (rm): Strings
string, renaming (rn): Strings
strings: Strings
strings [ms]: ms Legacy Features
strings, multi-line: Strings
strings, shared name space with macros and diversions: Identifiers
stripping final newline in diversions: Punning Names
stroke color: Colors
stroke color name register (.m): Colors
stroked circle, drawing (‘\D'c …'’): Drawing Geometric Objects
stroked ellipse, drawing (‘\D'e …'’): Drawing Geometric Objects
stroked polygon, drawing (‘\D'p …'’): Drawing Geometric Objects
structuring source code of documents or macro packages: Invoking Requests
sty request, and changing fonts: Selecting Fonts
sty request, and font translations: Selecting Fonts
style, font: Using Fonts
style, font, abstract: Using Fonts
style, font, abstract, setting up (sty): Font Families
styles, font: Font Families
substring (substring): Strings
subtraction: Numeric Expressions
suppressing output (\O): Suppressing Output
suppression nesting level register: Suppressing Output
sv request, and no-space mode: Page Control
switching environments (ev): Environments
sy request, and safer mode: Groff Options
sy request, disabled by default: Safer Mode
symbol: Using Symbols
symbol table, dumping (pm): Debugging
symbol, defining (char): Using Symbols
symbols, using: Using Symbols
system commands, running: I/O
system() return value register (systat): I/O
T
tab character: Tabs and Leaders
tab character encoding: Tabs and Fields
tab character, and translations: Character Translations
tab character, as delimiter: Delimiters
tab character, non-interpreted (\t): Tabs and Fields
tab repetition character (tc): Tabs and Fields
tab stop settings register (.tabs): Tabs and Fields
tab stops: Tabs and Leaders
tab stops, default: Tabs and Fields
tab, line-tabs mode: Tabs and Fields
table of contents: Table of Contents
table of contents: Leaders
table of contents, creating [ms]: ms TOC
table, multi-page, example [ms]: ms Insertions
tables [ms]: ms Insertions
tabs, and fields: Tabs and Fields
tabs, and macro arguments: Invoking Requests
tabs, and request arguments: Invoking Requests
tabs, before comments: Comments
tagged paragraphs: Paragraphs
tags, paragraph: Paragraphs
terminal, conditional output for: Operators in Conditionals
text baseline: Page Geometry
text baseline: Manipulating Type Size and Vertical Spacing
text font: Using Fonts
text line: Requests and Macros
text line, position of lowest (.h): Diversions
text, GNU troff processing: Text
text, justifying: Manipulating Filling and Adjustment
text, justifying (rj): Manipulating Filling and Adjustment
thickness of lines (‘\D't …'’): Drawing Geometric Objects
thin space (\|): Page Motions
three-part title (tl): Page Layout
ti request, causing implicit break: Manipulating Filling and Adjustment
ti request, using + and - with: Numeric Expressions
time, current, hours (hours): Built-in Registers
time, current, minutes (minutes): Built-in Registers
time, current, seconds (seconds): Built-in Registers
time, formatting: I/O
title length, configuring (lt): Page Layout
title line length register (.lt): Page Layout
title line, formatting (tl): Page Layout
titles: Page Layout
tkf request, and font styles: Font Families
tkf request, and font translations: Selecting Fonts
tkf request, with fractional type sizes: Using Fractional Type Sizes
tl request, and mc: Miscellaneous
tmac, directory: Macro Directories
tmac, path: Macro Directories
TMPDIR, environment variable: Environment
token, input: Gtroff Internals
top margin: Page Location Traps
top-level diversion: Diversions
top-level diversion, and bp: Page Control
top-level diversion, and \!: Diversions
top-level diversion, and \?: Diversions
tr request, and glyph definitions: Using Symbols
tr request, and soft hyphen character: Manipulating Hyphenation
tr request, incompatibilities with AT&T troff: Other Differences
track kerning: Ligatures and Kerning
track kerning, activating (tkf): Ligatures and Kerning
trailing double quotes in strings: Strings
trailing spaces in string definitions and appendments: Strings
trailing spaces on text lines: Breaking
translations of characters: Character Translations
transparent characters: Using Symbols
transparent dummy character (\)): Dummy Characters
transparent output (cf, trf): I/O
transparent output (\!, \?): Diversions
transparent output, incompatibilities with AT&T troff: Other Differences
trap: Deferring Output
trap, changing location (ch): Page Location Traps
trap, distance to next vertical position, register (.t): Page Location Traps
trap, diversion, setting (dt): Diversion Traps
trap, end-of-input, setting (em): End-of-input Traps
trap, implicit: The Implicit Page Trap
trap, input line, clearing (it, itc): Input Line Traps
trap, input line, setting (it, itc): Input Line Traps
trap, planting: Traps
trap, springing: Traps
traps: Traps
traps, and diversions: Page Location Traps
traps, blank line: Blank Line Traps
traps, diversion: Diversion Traps
traps, end-of-input: End-of-input Traps
traps, input line: Input Line Traps
traps, input line, and interrupted lines (itc): Input Line Traps
traps, leading space: Leading Space Traps
traps, page location: Page Location Traps
traps, page location, dumping (ptr): Debugging
traps, page location, listing (ptr): Debugging
traps, sprung by bp request (.pe): Page Location Traps
traps, vertical position: Vertical Position Traps
trf request, and copy mode: I/O
trf request, and invalid characters: I/O
trf request, causing implicit break: Manipulating Filling and Adjustment
trin request, and asciify: Diversions
troff mode: troff and nroff Modes
troff output: gtroff Output
truncated vertical space register (.trunc): Page Location Traps
truncating division: Numeric Expressions
TTY, conditional output for: Operators in Conditionals
tutorial for macro users: Tutorial for Macro Users
type size: Manipulating Type Size and Vertical Spacing
type size registers (.s, .ps): Changing the Type Size
type size registers, last-requested (.psr, .sr): Using Fractional Type Sizes
type sizes, changing (ps, \s): Changing the Type Size
type sizes, fractional: Using Fractional Type Sizes
type sizes, fractional: Other Differences
typeface: Using Fonts
TZ, environment variable: Environment
U
u scaling unit: Measurements
uf request, and font styles: Font Families
ul glyph, and cflags: Using Symbols
ul request, and font translations: Selecting Fonts
Ultrix-specific man macros: Optional man extensions
unadjustable and unbreakable space (\SP): Page Motions
unary arithmetic operators: Numeric Expressions
unbreakable and unadjustable space (\SP): Page Motions
unbreakable space (\~): Manipulating Filling and Adjustment
undefined identifiers: Identifiers
undefined request: Comments
underline font (uf): Artificial Fonts
underlining (ul): Artificial Fonts
underlining, continuous (cu): Artificial Fonts
unformatting diversions (asciify): Diversions
unformatting horizontal space: Punning Names
Unicode: Identifiers
Unicode: Using Symbols
unit, scaling, c: Measurements
unit, scaling, f: Colors
unit, scaling, i: Measurements
unit, scaling, m: Measurements
unit, scaling, M: Measurements
unit, scaling, n: Measurements
unit, scaling, p: Measurements
unit, scaling, P: Measurements
unit, scaling, s: Using Fractional Type Sizes
unit, scaling, u: Measurements
unit, scaling, v: Measurements
unit, scaling, z: Using Fractional Type Sizes
units of measurement: Measurements
units, basic: Page Geometry
units, basic, conversion to: Measurements
units, default: Default Units
units, machine: Page Geometry
unnamed glyphs: Using Symbols
unnamed glyphs, accessing with \N: Font Description File Format
unsafe mode: Groff Options
unsafe mode: Macro Directories
unsafe mode: Built-in Registers
unsafe mode: I/O
unsafe mode: I/O
unsafe mode: I/O
unsafe mode: I/O
unstyled font: Using Fonts
up-casing a string (stringup): Strings
uppercasing a string (stringup): Strings
upright glyph, correction after oblique glyph (\/): Italic Corrections
upright glyph, correction before oblique glyph (\,): Italic Corrections
URLs, breaking (\:): Manipulating Hyphenation
user’s macro tutorial: Tutorial for Macro Users
user’s tutorial for macros: Tutorial for Macro Users
using escape sequences: Using Escape Sequences
using symbols: Using Symbols
UTF-8 output encoding: Groff Options
V
v scaling unit: Measurements
valid numeric expression: Numeric Expressions
value, incrementing without changing the register: Auto-increment
variables in environment: Environment
vee: Page Geometry
vee scaling unit (v): Measurements
version number, major, register (.x): Built-in Registers
version number, minor, register (.y): Built-in Registers
vertical drawing position (nl): Page Control
vertical line drawing (\L): Drawing Geometric Objects
vertical line spacing register (.v): Changing the Vertical Spacing
vertical line spacing, changing (vs): Changing the Vertical Spacing
vertical line spacing, effective value: Changing the Vertical Spacing
vertical motion (\v): Page Motions
vertical motion quantum: DESC File Format
vertical page location, marking (mk): Page Motions
vertical page location, returning to marked (rt): Page Motions
vertical position in diversion register (.d): Diversions
vertical position trap enable register (.vpt): Vertical Position Traps
vertical position traps: Vertical Position Traps
vertical position traps, enabling (vpt): Vertical Position Traps
vertical position, drawing (nl): Page Control
vertical resolution: DESC File Format
vertical space unit (v): Measurements
vertical spacing: Page Geometry
vertical spacing: Manipulating Type Size and Vertical Spacing
vertical spacing (introduction): Basics
W
warning categories: Warnings
warning level (warn): Debugging
warnings: Debugging
warnings: Warnings
what is groff?: What Is groff?
while: while
while request, and font translations: Selecting Fonts
while request, and the ‘!’ operator: Numeric Expressions
while request, confusing with br: while
while request, operators to use with: Operators in Conditionals
widow: Page Control
widow: Page Control
width escape (\w): Page Motions
width, of last glyph (.w): Environments
word space size register (.ss): Manipulating Filling and Adjustment
word, definition of: Filling
write request, and copy mode: I/O
writec request, and copy mode: I/O
writem request, and copy mode: I/O
writing macros: Writing Macros
writing to file (write, writec): I/O
Y
year, current, register (year, yr): Built-in Registers
Z
z scaling unit: Using Fractional Type Sizes
zero-width printing (\z, \Z): Page Motions
zero-width printing (\z, \Z): Page Motions
zoom factor of a font (fzoom): Selecting Fonts
+
Jump to:   " +   +% +   +& +   +' +   +( +   +) +   +* +   ++ +   +- +   +. +   +/ +   +8 +   +: +   +< +   += +   +> +   +[ +   +\ +   +] +   +| +   +
+A +   +B +   +C +   +D +   +E +   +F +   +G +   +H +   +I +   +J +   +K +   +L +   +M +   +N +   +O +   +P +   +Q +   +R +   +S +   +T +   +U +   +V +   +W +   +Y +   +Z +   +
+
+ + +
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