(groff)Concept Index


Concept Index
*************

" <1>: Using Symbols.
": Sentences.
", as a macro argument: Request Arguments.
' <1>: Using Symbols.
': Sentences.
) <1>: Using Symbols.
): Sentences.
* <1>: Using Symbols.
*: Sentences.
.t, and diversions: Diversion Traps.
8-bit input <1>: Font File Format.
8-bit input: Output Format.
\!, and trnt: Character Translations.
\!, incompatibilities with Unix troff: Implementation Differences.
\$, when reading text for a macro: Copy-in Mode.
\&, escaping control characters: Requests.
\*, incompatibilities with Unix troff: Implementation Differences.
\*, when reading text for a macro: Copy-in Mode.
\<RET>, when reading text for a macro: Copy-in Mode.
\?, incompatibilities with Unix troff: Implementation Differences.
\\, when reading text for a macro: Copy-in Mode.
\e, incompatibilities with Unix troff: Implementation Differences.
\n, incompatibilities with Unix troff: Implementation Differences.
\n, when reading text for a macro: Copy-in Mode.
\}, debugging: Warnings.
] <1>: Using Symbols.
]: Sentences.
aborting: Debugging.
access of postprocessor: Postprocessor Access.
adjusting: Filling and Adjusting.
adjusting and filling, manipulating: Manipulating Filling and Adjusting.
alias <1>: Writing Macros.
alias: Strings.
als, use with \$0: Parameters.
annotations: Footnotes and Annotations.
appending to strings: Strings.
appending, to a macro: Writing Macros.
arc drawing: Drawing Requests.
argument delimiting characters: Escapes.
arguments to requests: Request Arguments.
arithmetic operators: Expressions.
artificial fonts: Artificial Fonts.
ASCII approximation output register: Built-in Registers.
assigning formats: Assigning Formats.
assignments, indirect: Interpolating Registers.
assignments, nested: Interpolating Registers.
auto-increment: Auto-increment.
backspace character <1>: Character Translations.
backspace character: Identifiers.
backtrace of input stack: Debugging.
baseline: Sizes.
basic units: Measurements.
basics of macros: Basics.
bd, incompatibilities with Unix troff: Implementation Differences.
blank line <1>: Requests.
blank line <2>: Implicit Line Breaks.
blank line: Basics.
blank line macro <1>: Requests.
blank line macro: Implicit Line Breaks.
blank lines, disabling: Manipulating Spacing.
bold face, imitating: Artificial Fonts.
boldface, in manual pages: Man font macros.
bottom margin: Page Layout.
box rule character: Drawing Requests.
break <1>: Manipulating Filling and Adjusting.
break: Basics.
break, implicit: Implicit Line Breaks.
break, in a while loop: while.
built-in registers: Built-in Registers.
c unit: Measurements.
calling convention of preprocessors: Preprocessors in man pages.
capabilities of groff: groff Capabilities.
centered text: Manipulating Filling and Adjusting.
centering lines <1>: Manipulating Filling and Adjusting.
centering lines: Basics.
centimeter: Measurements.
changing fonts: Changing Fonts.
changing format, read-only register: Assigning Formats.
changing the page number character: Page Layout.
changing trap location: Page Location Traps.
changing type sizes: Changing Type Sizes.
character: Using Symbols.
character for line drawing: Drawing Requests.
character pile: Drawing Requests.
character properties: Using Symbols.
character translations: Character Translations.
character, backspace <1>: Character Translations.
character, backspace: Identifiers.
character, box rule: Drawing Requests.
character, constant space: Artificial Fonts.
character, control <1>: Character Translations.
character, control: Requests.
character, escape <1>: Using Symbols.
character, escape: Character Translations.
character, field delimiting: Fields.
character, field padding: Fields.
character, hyphenation: Manipulating Hyphenation.
character, leader: Character Translations.
character, leader repetition: Leaders.
character, newline <1>: Character Translations.
character, newline: Escapes.
character, no-break control <1>: Character Translations.
character, no-break control: Requests.
character, numbered: Character Translations.
character, removing definition: Using Symbols.
character, soft hyphen: Manipulating Hyphenation.
character, space: Escapes.
character, special: Character Translations.
character, tab <1>: Character Translations.
character, tab: Escapes.
character, tab repetition: Tabs and Fields.
character, tabulator: Tab Stops.
character, transparent <1>: Using Symbols.
character, transparent: Sentences.
character, underscore: Drawing Requests.
character, whitespace: Identifiers.
character, zero width space <1>: Drawing Requests.
character, zero width space <2>: Page Motions.
character, zero width space <3>: Ligatures and Kerning.
character, zero width space: Requests.
characters for margins: Miscellaneous.
characters, argument delimiting: Escapes.
characters, defining: Using Symbols.
characters, end of sentence: Using Symbols.
characters, hyphenation: Using Symbols.
characters, input and output, compatibility with Unix: Implementation Differences.
characters, invalid input: Identifiers.
characters, overlapping: Using Symbols.
characters, special: Special Characters.
characters, unnamed: Using Symbols.
circle drawing: Drawing Requests.
code, hyphenation: Manipulating Hyphenation.
command-line options: Groff Options.
commands, embedded: Embedded Commands.
comments: Comments.
comments in font files: Font File Format.
comments, lining up with tabs: Comments.
comments, with ds: Strings.
common features: Common Features.
comparison operators: Expressions.
compatibility mode <1>: Implementation Differences.
compatibility mode: Warnings.
conditionals and loops: Conditionals and Loops.
consecutive hyphenated lines: Manipulating Hyphenation.
constant character space mode: Artificial Fonts.
contents, table of <1>: Leaders.
contents, table of: Table of Contents.
continue, in a while loop: while.
continuous underlining: Artificial Fonts.
control character <1>: Character Translations.
control character: Requests.
control character, no-break <1>: Character Translations.
control character, no-break: Requests.
control of devices: Device Control.
control sequences, for terminals: Troff and Nroff Mode.
control, page: Page Control.
conventions for input: Input Conventions.
copy environment: Environments.
copy-in mode: Copy-in Mode.
copy-in mode, and macro arguments: Parameters.
copy-in mode, and write requests: I/O.
copying: Copying.
correction between italic and roman character: Ligatures and Kerning.
correction, italic: Ligatures and Kerning.
correction, left italic: Ligatures and Kerning.
cp1047: Groff Options.
creating new characters: Using Symbols.
credits: Credits.
cs, incompatibilities with Unix troff: Implementation Differences.
current adjustment mode register: Manipulating Filling and Adjusting.
current environment number/name register: Environments.
current font position register: Font Positions.
current hyphenation language register: Manipulating Hyphenation.
current hyphenation margin register: Manipulating Hyphenation.
current hyphenation space register: Manipulating Hyphenation.
current line length register: Line Layout.
current line spacing register: Manipulating Spacing.
current page length register: Page Layout.
current page number register: Page Layout.
current tab settings register: Tabs and Fields.
current time: I/O.
current title line length register: Page Layout.
current type size register: Changing Type Sizes.
current vertical spacing register: Changing Type Sizes.
da, debugging: Warnings.
date, day of the month register: Built-in Registers.
date, day of the week register: Built-in Registers.
date, month of the year register: Built-in Registers.
date, year register: Built-in Registers.
day of the month register: Built-in Registers.
day of the week register: Built-in Registers.
debugging: Debugging.
default indentation, man: Miscellaneous man macros.
default units: Default Units.
defining characters: Using Symbols.
delayed text: Footnotes and Annotations.
delimiting character for fields: Fields.
delimiting characters for arguments: Escapes.
DESC file format: DESC File Format.
device control: Device Control.
devices for output <1>: Output Devices.
devices for output: Output device intro.
di, debugging: Warnings.
differences in implementation: Implementation Differences.
digits: Escapes.
dimensions, line: Line Layout.
disabling hyphenation: Manipulating Hyphenation.
displays: Displays.
distance to next trap: Page Location Traps.
ditroff: History.
diversion traps: Diversion Traps.
diversion, nested: Diversions.
diversion, top-level: Page Control.
diversion, unformatting: Diversions.
diversions: Diversions.
documents, multi-file: Miscellaneous.
documents, structuring the source code: Requests.
double quote, as a macro argument: Request Arguments.
double spacing: Basics.
double-spacing: Manipulating Spacing.
drawing a circle: Drawing Requests.
drawing a polygon: Drawing Requests.
drawing a spline: Drawing Requests.
drawing an arc: Drawing Requests.
drawing an ellipse: Drawing Requests.
drawing functions: Drawing Functions.
drawing horizontal lines: Drawing Requests.
drawing requests: Drawing Requests.
drawing vertical lines: Drawing Requests.
dumping number registers: Debugging.
dumping symbol table: Debugging.
dumping traps: Debugging.
EBCDIC encoding <1>: Tab Stops.
EBCDIC encoding: Groff Options.
EBCDIC encoding of a tab: Tabs and Fields.
EBCDIC encoding of backspace: Identifiers.
ellipse drawing: Drawing Requests.
em unit: Measurements.
embedded commands: Embedded Commands.
embedding postscript: Embedding PostScript.
embolding of special fonts: Artificial Fonts.
empty line <1>: Implicit Line Breaks.
empty line: Basics.
empty space before a paragraph, in manual pages: Miscellaneous man macros.
en unit: Measurements.
end of sentence characters: Using Symbols.
end-of-input traps: End-of-input Traps.
environment variables: Environment.
environments: Environments.
eqn: geqn.
escape character <1>: Using Symbols.
escape character: Character Translations.
escape, width: Page Motions.
escapes: Escapes.
escaping newline characters in strings: Strings.
ex, use in debugging: Debugging.
examples of invocation: Invocation Examples.
exiting: Debugging.
expansion of strings: Strings.
explicit hyphens: Manipulating Hyphenation.
expression, order of evaluation: Expressions.
expressions: Expressions.
expressions and space characters: Expressions.
extra spaces: Filling and Adjusting.
extra vertical line space register: Manipulating Spacing.
extremum operators: Expressions.
families, font: Font Families.
features, common: Common Features.
field delimiting character: Fields.
field padding character: Fields.
fields: Fields.
fields and tabs: Tabs and Fields.
file formats: File formats.
file inclusion: I/O.
files, font: Font Files.
fill mode <1>: Warnings.
fill mode <2>: Manipulating Filling and Adjusting.
fill mode: Implicit Line Breaks.
filling: Filling and Adjusting.
filling and adjusting, manipulating: Manipulating Filling and Adjusting.
floating keep: Displays.
flush output: Debugging.
font description file format: DESC File Format.
font families: Font Families.
font file format: Font File Format.
font files: Font Files.
font files, comments: Font File Format.
font for underlining: Artificial Fonts.
font positions: Font Positions.
font styles: Font Families.
font, for underlining: Artificial Fonts.
font, previous: Changing Fonts.
fonts: Fonts.
fonts in manual pages: Man font macros.
fonts, artificial: Artificial Fonts.
fonts, changing: Changing Fonts.
fonts, postscript: Font Families.
fonts, special: Special Fonts.
footers <1>: Page Location Traps.
footers: Page Layout.
footnotes: Footnotes and Annotations.
form letters: I/O.
format of font description file: DESC File Format.
format of font files: Font File Format.
format of output: Output Format.
format of register: Assigning Formats.
formats, assigning: Assigning Formats.
formats, file: File formats.
fp, incompatibilities with Unix troff: Implementation Differences.
fractional point sizes: Implementation Differences.
fractional type sizes: Fractional Type Sizes.
french-spacing: Sentences.
functions for drawing: Drawing Functions.
geqn: geqn.
geqn, invoking: Invoking geqn.
ggrn: ggrn.
ggrn, invoking: Invoking ggrn.
glyph: Using Symbols.
GNU-specific register: Built-in Registers.
gpic: gpic.
gpic, invoking: Invoking gpic.
grap: grap.
gray shading: Drawing Requests.
grefer: grefer.
grefer, invoking: Invoking grefer.
grn: ggrn.
grodvi: grodvi.
grodvi, invoking: Invoking grodvi.
groff - what is it?: What Is groff?.
groff capabilities: groff Capabilities.
groff invocation: Invoking groff.
GROFF_BIN_PATH, environment variable: Environment.
GROFF_COMMAND_PREFIX, environment variable: Environment.
GROFF_FONT_PATH, environment variable: Environment.
GROFF_TMAC_PATH, environment variable: Environment.
GROFF_TMPDIR, environment variable: Environment.
GROFF_TYPESETTER, environment variable: Environment.
grohtml <1>: grohtml.
grohtml: Groff Options.
grohtml, invoking: Invoking grohtml.
grolbp: grolbp.
grolbp, invoking: Invoking grolbp.
grolj4: grolj4.
grolj4, invoking: Invoking grolj4.
grops: grops.
grops, invoking: Invoking grops.
grotty: grotty.
grotty, invoking: Invoking grotty.
gsoelim: gsoelim.
gsoelim, invoking: Invoking gsoelim.
gtbl: gtbl.
gtbl, invoking: Invoking gtbl.
gtroff identification register: Built-in Registers.
gtroff output: gtroff Output.
gtroff reference: gtroff Reference.
gtroff, interactive use: Debugging.
gxditview: gxditview.
gxditview, invoking: Invoking gxditview.
hanging indentation, in manual pages: Man usage.
headers <1>: Page Location Traps.
headers: Page Layout.
history: History.
horizontal line, drawing: Drawing Requests.
horizontal resolution register: Built-in Registers.
horizontal space: Page Motions.
hyphen, explicit: Manipulating Hyphenation.
hyphenated lines, consecutive: Manipulating Hyphenation.
hyphenating characters: Using Symbols.
hyphenation: Hyphenation.
hyphenation character: Manipulating Hyphenation.
hyphenation code: Manipulating Hyphenation.
hyphenation margin: Manipulating Hyphenation.
hyphenation patterns: Manipulating Hyphenation.
hyphenation restrictions register: Manipulating Hyphenation.
hyphenation space: Manipulating Hyphenation.
hyphenation, disabling: Manipulating Hyphenation.
hyphenation, manipulating: Manipulating Hyphenation.
i unit: Measurements.
i/o: I/O.
IBM cp1047: Groff Options.
identifiers: Identifiers.
if, and the ! operator: Expressions.
if, operators to use with it: Operators in Conditionals.
if-else: if-else.
imitating bold face: Artificial Fonts.
implementation differences: Implementation Differences.
implicit breaks of lines: Implicit Line Breaks.
implicit line breaks: Implicit Line Breaks.
inch: Measurements.
including a file: I/O.
incompatibilities with Unix troff: Implementation Differences.
increment value without changing the register: Auto-increment.
increment, automatic: Auto-increment.
indentation: Line Layout.
indentifiers, undefined: Identifiers.
index, in macro package: Indices.
indirect assignments: Interpolating Registers.
input and output characters, compatibility with Unix: Implementation Differences.
input and output requests: I/O.
input characters, invalid: Identifiers.
input conventions: Input Conventions.
input line number register: Built-in Registers.
input line traps: Input Line Traps.
input stack, backtrace: Debugging.
input token: Gtroff Internals.
input, 8-bit <1>: Font File Format.
input, 8-bit: Output Format.
inserting horizontal space: Page Motions.
installation: Installation.
interactive use of gtroff: Debugging.
interpolating registers: Interpolating Registers.
interpolation of strings: Strings.
introduction: Introduction.
invalid input characters: Identifiers.
invocation examples: Invocation Examples.
invoking geqn: Invoking geqn.
invoking ggrn: Invoking ggrn.
invoking gpic: Invoking gpic.
invoking grefer: Invoking grefer.
invoking grodvi: Invoking grodvi.
invoking groff: Invoking groff.
invoking grohtml: Invoking grohtml.
invoking grolbp: Invoking grolbp.
invoking grolj4: Invoking grolj4.
invoking grops: Invoking grops.
invoking grotty: Invoking grotty.
invoking gsoelim: Invoking gsoelim.
invoking gtbl: Invoking gtbl.
invoking gxditview: Invoking gxditview.
ISO 6249 SGR: Troff and Nroff Mode.
italic character, correction after roman character: Ligatures and Kerning.
italic character, correction before roman character: Ligatures and Kerning.
italic correction: Ligatures and Kerning.
italic, in manual pages: Man font macros.
justifying text: Manipulating Filling and Adjusting.
keep: Displays.
keep, floating: Displays.
kerning and ligatures: Ligatures and Kerning.
kerning enabled register: Ligatures and Kerning.
kerning, track: Ligatures and Kerning.
last-requested point size register: Fractional Type Sizes.
layout, line: Line Layout.
layout, page: Page Layout.
leader character <1>: Character Translations.
leader character: Leaders.
leader repetition character: Leaders.
leaders: Leaders.
leading: Sizes.
leading spaces: Filling and Adjusting.
leading spaces with ds: Strings.
left italic correction: Ligatures and Kerning.
left margin: Line Layout.
left margin, how to move, in manual pages: Man usage.
length of a string: Strings.
length of line: Line Layout.
length of page: Page Layout.
length of title line: Page Layout.
letters, form: I/O.
level of warnings: Debugging.
ligature: Using Symbols.
ligatures and kerning: Ligatures and Kerning.
ligatures enabled register: Ligatures and Kerning.
line break <1>: Manipulating Filling and Adjusting.
line break <2>: Implicit Line Breaks.
line break: Basics.
line continuation in output commands: Line Continuation.
line dimensions: Line Layout.
line drawing character: Drawing Requests.
line indentation: Line Layout.
line layout: Line Layout.
line length: Line Layout.
line number, input, register: Built-in Registers.
line number, output, register: Built-in Registers.
line numbers: Miscellaneous.
line thickness <1>: Drawing Functions.
line thickness: Drawing Requests.
line, blank: Implicit Line Breaks.
line, empty: Basics.
line, horizontal, drawing: Drawing Requests.
line, implicit breaks: Implicit Line Breaks.
line, vertical, drawing: Drawing Requests.
lines, blank, disabling: Manipulating Spacing.
lines, centering <1>: Manipulating Filling and Adjusting.
lines, centering: Basics.
lines, consecutive hyphenated: Manipulating Hyphenation.
list: Displays.
logical operators: Expressions.
long names: Implementation Differences.
loops and conditionals: Conditionals and Loops.
M unit: Measurements.
m unit: Measurements.
machine units: Measurements.
macro basics: Basics.
macro packages <1>: Macro Packages.
macro packages: Macro Package Intro.
macro packages, strucuring the source code: Requests.
macros: Macros.
macros for manual pages: Man usage.
macros, recursive: while.
macros, shared name space with strings: Strings.
macros, tutorial for users: Tutorial for Macro Users.
macros, writing: Writing Macros.
major quotes: Displays.
major version number register: Built-in Registers.
man: man.
man macros: Man usage.
man, default indentation: Miscellaneous man macros.
man, how to set fonts: Man font macros.
manipulating filling and adjusting: Manipulating Filling and Adjusting.
manipulating hyphenation: Manipulating Hyphenation.
manipulating spacing: Manipulating Spacing.
manual pages: man.
margin characters: Miscellaneous.
margin for hyphenation: Manipulating Hyphenation.
margin, bottom: Page Layout.
margin, left: Line Layout.
margin, top: Page Layout.
maximum values of Roman numerals: Assigning Formats.
mdoc: mdoc.
me: me.
measurement units: Measurements.
measurements: Measurements.
measurements, specifying safely: Default Units.
minimum values of Roman numerals: Assigning Formats.
minor version number register: Built-in Registers.
miscellaneous: Miscellaneous.
mm: mm.
mode for constant character space: Artificial Fonts.
mode, compatibility: Implementation Differences.
mode, copy-in: Copy-in Mode.
mode, copy-in, and write requests: I/O.
mode, fill <1>: Warnings.
mode, fill <2>: Manipulating Filling and Adjusting.
mode, fill: Implicit Line Breaks.
mode, no-fill: Manipulating Filling and Adjusting.
mode, no-space: Manipulating Spacing.
mode, nroff: Troff and Nroff Mode.
mode, troff: Troff and Nroff Mode.
month of the year register: Built-in Registers.
motion operators: Expressions.
motion, vertical: Page Motions.
motions, page: Page Motions.
ms: ms.
multi-file documents: Miscellaneous.
multi-line strings: Strings.
n unit: Measurements.
name space of macros and strings: Strings.
names, long: Implementation Differences.
ne, and the .trunc register: Page Location Traps.
negating register values: Setting Registers.
nested assignments: Interpolating Registers.
nested diversions: Diversions.
new page <1>: Page Control.
new page: Basics.
newline character <1>: Character Translations.
newline character <2>: Escapes.
newline character: Identifiers.
newline character in strings, escaping: Strings.
next free font position register: Font Positions.
no-break control character <1>: Character Translations.
no-break control character: Requests.
no-fill mode: Manipulating Filling and Adjusting.
no-space mode: Manipulating Spacing.
node, output: Gtroff Internals.
nroff: History.
nroff mode: Troff and Nroff Mode.
number registers, dumping: Debugging.
number, page: Page Layout.
numbered character: Character Translations.
numbers: Escapes.
numbers, line: Miscellaneous.
numerals, Roman: Assigning Formats.
offset, page: Line Layout.
operator, scaling: Expressions.
operators: Escapes.
operators, arithmetic: Expressions.
operators, comparison: Expressions.
operators, extremum: Expressions.
operators, logical: Expressions.
operators, motion: Expressions.
operators, unary: Expressions.
options: Groff Options.
order of evaluation in expressions: Expressions.
orphan line: Page Control.
output and input requests: I/O.
output characters, compatibility with Unix: Implementation Differences.
output commands, line continuation: Line Continuation.
output device register: Built-in Registers.
output devices <1>: Output Devices.
output devices: Output device intro.
output format: Output Format.
output line number register: Built-in Registers.
output node: Gtroff Internals.
output, flush: Debugging.
output, gtroff: gtroff Output.
output, transparent <1>: I/O.
output, transparent: Diversions.
output, transparent, incompatibilities with Unix troff: Implementation Differences.
overlapping characters: Using Symbols.
P unit: Measurements.
p unit: Measurements.
packages, macros: Macro Packages.
padding character for fields: Fields.
page control: Page Control.
page footers: Page Location Traps.
page headers: Page Location Traps.
page layout: Page Layout.
page length: Page Layout.
page location traps: Page Location Traps.
page motions: Page Motions.
page number: Page Layout.
page number character: Page Layout.
page number character, changing: Page Layout.
page offset: Line Layout.
paper formats: Paper Formats.
paragraphs: Paragraphs.
parameters: Parameters.
parentheses: Expressions.
patterns for hyphenation: Manipulating Hyphenation.
pic: gpic.
pica: Measurements.
pile, character: Drawing Requests.
point size, last-requested: Fractional Type Sizes.
point sizes, fractional: Implementation Differences.
points: Measurements.
polygon drawing: Drawing Requests.
positions, font: Font Positions.
postprocessor access: Postprocessor Access.
postprocessors: Output device intro.
postscript fonts: Font Families.
postscript, embedding: Embedding PostScript.
preprocessor, calling convention: Preprocessors in man pages.
preprocessors <1>: Preprocessors.
preprocessors: Preprocessor Intro.
previous font: Changing Fonts.
properties of characters: Using Symbols.
ps, incompatibilities with Unix troff: Implementation Differences.
quotes, major: Displays.
quotes, trailing: Strings.
ragged-left: Manipulating Filling and Adjusting.
ragged-right: Manipulating Filling and Adjusting.
read-only register, changing format: Assigning Formats.
recursive macros: while.
refer: grefer.
reference, gtroff: gtroff Reference.
register, format: Assigning Formats.
registers: Registers.
registers, built-in: Built-in Registers.
registers, interpolating: Interpolating Registers.
registers, setting: Setting Registers.
remove macro: Strings.
remove request: Strings.
remove string: Strings.
removing character definition: Using Symbols.
rename macro: Strings.
rename request: Strings.
rename string: Strings.
request arguments: Request Arguments.
request, undefined: Comments.
requests: Requests.
requests for drawing: Drawing Requests.
requests for input and output: I/O.
resolution, horizontal, register: Built-in Registers.
resolution, vertical, register: Built-in Registers.
revision number register: Built-in Registers.
rf: History.
right-justifying: Manipulating Filling and Adjusting.
roff: History.
roman character, correction after italic character: Ligatures and Kerning.
roman character, correction before italic character: Ligatures and Kerning.
Roman numerals: Assigning Formats.
Roman numerals, maximum and minimum: Assigning Formats.
runoff: History.
s unit <1>: Fractional Type Sizes.
s unit: Measurements.
scaling operator: Expressions.
sentence space: Sentences.
sentence space size: Manipulating Filling and Adjusting.
sentences: Sentences.
setting registers: Setting Registers.
shades for filling objects: Drawing Requests.
shading: Drawing Requests.
size of sentence space: Manipulating Filling and Adjusting.
size of type: Sizes.
size of word space: Manipulating Filling and Adjusting.
sizes: Sizes.
soelim: gsoelim.
soft hyphen character: Manipulating Hyphenation.
sp, as vertical page motion: Page Motions.
space between sentences <1>: Manipulating Filling and Adjusting.
space between sentences: Sentences.
space between words: Manipulating Filling and Adjusting.
space character: Escapes.
space character, zero width <1>: Drawing Requests.
space character, zero width <2>: Page Motions.
space character, zero width <3>: Ligatures and Kerning.
space character, zero width: Requests.
space characters in expressions: Expressions.
space, horizontal: Page Motions.
space, vertical: Measurements.
spaces with ds: Strings.
spaces, leading and trailing: Filling and Adjusting.
spacing: Basics.
spacing, manipulating: Manipulating Spacing.
spacing, vertical: Sizes.
special character: Character Translations.
special characters: Special Characters.
special fonts <1>: Special Fonts.
special fonts: Using Symbols.
special fonts, emboldening: Artificial Fonts.
spline drawing: Drawing Requests.
stops, tabulator: Tab Stops.
string expansion: Strings.
string interpolation: Strings.
string, length of: Strings.
strings: Strings.
strings, appending: Strings.
strings, multi-line: Strings.
strings, shared name space with macros: Strings.
structuring source code of documents or macro packages: Requests.
styles, font: Font Families.
substring: Strings.
summary: Summary.
suppressing output: Suppressing output.
switch environments: Environments.
symbol: Using Symbols.
symbol table, dumping: Debugging.
symbols, using: Using Symbols.
system() return value register: I/O.
tab character <1>: Character Translations.
tab character <2>: Escapes.
tab character: Tab Stops.
tab repetition character: Tabs and Fields.
tab stops: Tab Stops.
tab stops, for tty output devices: Tabs and Fields.
tab stops, in manual pages: Miscellaneous man macros.
table of contents <1>: Leaders.
table of contents: Table of Contents.
tabs and fields: Tabs and Fields.
tabs before comments: Comments.
tbl: gtbl.
Teletype: Troff and Nroff Mode.
terminal control sequences: Troff and Nroff Mode.
text, gtroff processing: Text.
text, justifying: Manipulating Filling and Adjusting.
thickness of lines <1>: Drawing Functions.
thickness of lines: Drawing Requests.
three-part title: Page Layout.
time, current: I/O.
title line: Page Layout.
title line, length: Page Layout.
titles: Page Layout.
tkf, incompatibilities with Unix troff: Implementation Differences.
TMPDIR, environment variable: Environment.
token, input: Gtroff Internals.
top margin: Page Layout.
top-level diversion: Page Control.
tr, incompatibilities with Unix troff: Implementation Differences.
track kerning: Ligatures and Kerning.
trailing quotes: Strings.
trailing spaces: Filling and Adjusting.
translations of characters: Character Translations.
transparent characters <1>: Using Symbols.
transparent characters: Sentences.
transparent output <1>: I/O.
transparent output: Diversions.
transparent output, incompatibilities with Unix troff: Implementation Differences.
trap, changing location: Page Location Traps.
trap, distance: Page Location Traps.
traps: Traps.
traps, diversion: Diversion Traps.
traps, dumping: Debugging.
traps, end-of-input: End-of-input Traps.
traps, input line: Input Line Traps.
traps, page location: Page Location Traps.
troff mode: Troff and Nroff Mode.
tutorial for macro users: Tutorial for Macro Users.
type size: Sizes.
type sizes, changing: Changing Type Sizes.
type sizes, fractional: Fractional Type Sizes.
u unit: Measurements.
unary operators: Expressions.
undefined identifiers: Identifiers.
undefined request: Comments.
underline font: Artificial Fonts.
underlining: Artificial Fonts.
underlining, continuous: Artificial Fonts.
underscore character: Drawing Requests.
unformatting diversions: Diversions.
unicode <1>: Using Symbols.
unicode: Identifiers.
unit, c: Measurements.
unit, i: Measurements.
unit, M: Measurements.
unit, m: Measurements.
unit, n: Measurements.
unit, P: Measurements.
unit, p: Measurements.
unit, s <1>: Fractional Type Sizes.
unit, s: Measurements.
unit, u: Measurements.
unit, v: Measurements.
unit, z <1>: Fractional Type Sizes.
unit, z: Measurements.
units of measurement: Measurements.
units, default: Default Units.
unnamed characters: Using Symbols.
user's macro tutorial: Tutorial for Macro Users.
user's tutorial for macros: Tutorial for Macro Users.
using symbols: Using Symbols.
v unit: Measurements.
variables in environment: Environment.
version number, major, register: Built-in Registers.
version number, minor, register: Built-in Registers.
vertical line drawing: Drawing Requests.
vertical motion: Page Motions.
vertical position trap enable register: Page Location Traps.
vertical resolution register: Built-in Registers.
vertical space: Measurements.
vertical spacing: Sizes.
warnings <1>: Warnings.
warnings: Debugging.
warnings, level: Debugging.
what is groff?: What Is groff?.
while: while.
while, and the ! operator: Expressions.
while, operators to use with it: Operators in Conditionals.
whitespace characters: Identifiers.
width escape: Page Motions.
word space size: Manipulating Filling and Adjusting.
writing macros: Writing Macros.
year, current, register: Built-in Registers.
z unit <1>: Fractional Type Sizes.
z unit: Measurements.
zero width space character <1>: Drawing Requests.
zero width space character <2>: Page Motions.
zero width space character <3>: Ligatures and Kerning.
zero width space character: Requests.

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