The GNU Troff Manual: Top

1 Introduction
- 1.1 What Is groff?
- 1.2 History
- 1.3 groff Capabilities
- 1.4 Macro Packages
- 1.5 Preprocessors
- 1.6 Output Devices
- 1.7 Credits
2 Invoking groff
- 2.1 Options
- 2.2 Environment
- 2.3 Macro Directories
- 2.4 Font Directories
- 2.5 Paper Size
- 2.6 Invocation Examples
  - 2.6.1 grog
3 Tutorial for Macro Users
- 3.1 Basics
- 3.2 Common Features
4 Macro Packages
- 4.1 man
- 4.2 mdoc
- 4.3 ms
- 4.4 me
- 4.5 mm
- 4.6 mom
5 gtroff Reference
- 5.1 Text
  - 5.1.1 Filling and Adjusting
  - 5.1.2 Hyphenation
  - 5.1.3 Sentences
  - 5.1.4 Tab Stops
  - 5.1.5 Implicit Line Breaks
  - 5.1.6 Input Conventions
  - 5.1.7 Input Encodings
- 5.2 Measurements
  - 5.2.1 Default Units
- 5.3 Expressions
- 5.4 Identifiers
- 5.5 Embedded Commands
  - 5.5.1 Requests
    - 5.5.1.1 Request and Macro Arguments
  - 5.5.2 Macros
  - 5.5.3 Escapes
    - 5.5.3.1 Comments
- 5.6 Registers
  - 5.6.1 Setting Registers
  - 5.6.2 Interpolating Registers
  - 5.6.3 Auto-increment
  - 5.6.4 Assigning Formats
  - 5.6.5 Built-in Registers
- 5.7 Manipulating Filling and Adjusting
- 5.8 Manipulating Hyphenation
- 5.9 Manipulating Spacing
- 5.10 Tabs and Fields
  - 5.10.1 Leaders
  - 5.10.2 Fields
- 5.11 Character Translations
- 5.12 Troff and Nroff Mode
- 5.13 Line Layout
- 5.14 Line Control
- 5.15 Page Layout
- 5.16 Page Control
- 5.17 Fonts and Symbols
  - 5.17.1 Changing Fonts
  - 5.17.2 Font Families
  - 5.17.3 Font Positions
  - 5.17.4 Using Symbols
  - 5.17.5 Character Classes
  - 5.17.6 Special Fonts
  - 5.17.7 Artificial Fonts
  - 5.17.8 Ligatures and Kerning
- 5.18 Sizes
  - 5.18.1 Changing Type Sizes
  - 5.18.2 Fractional Type Sizes
- 5.19 Strings
- 5.20 Conditionals and Loops
  - 5.20.1 Operators in Conditionals
  - 5.20.2 if-else
  - 5.20.3 while
- 5.21 Writing Macros
  - 5.21.1 Copy-in Mode
  - 5.21.2 Parameters
- 5.22 Page Motions
- 5.23 Drawing Requests
- 5.24 Traps
  - 5.24.1 Page Location Traps
  - 5.24.2 Diversion Traps
  - 5.24.3 Input Line Traps
  - 5.24.4 Blank Line Traps
  - 5.24.5 Leading Spaces Traps
  - 5.24.6 End-of-input Traps
- 5.25 Diversions
- 5.26 Environments
- 5.27 Suppressing output
- 5.28 Colors
- 5.29 I/O
- 5.30 Postprocessor Access
- 5.31 Miscellaneous
- 5.32 gtroff Internals
- 5.33 Debugging
  - 5.33.1 Warnings
- 5.34 Implementation Differences
6 Preprocessors
- 6.1 geqn
  - 6.1.1 Invoking geqn
- 6.2 gtbl
  - 6.2.1 Invoking gtbl
- 6.3 gpic
  - 6.3.1 Invoking gpic
- 6.4 ggrn
  - 6.4.1 Invoking ggrn
- 6.5 grap
- 6.6 gchem
  - 6.6.1 Invoking gchem
- 6.7 grefer
  - 6.7.1 Invoking grefer
- 6.8 gsoelim
  - 6.8.1 Invoking gsoelim
- 6.9 preconv
  - 6.9.1 Invoking preconv
7 Output Devices
- 7.1 Special Characters
- 7.2 grotty
  - 7.2.1 Invoking grotty
- 7.3 grops
  - 7.3.1 Invoking grops
  - 7.3.2 Embedding POSTSCRIPT
- 7.4 gropdf
  - 7.4.1 Invoking gropdf
  - 7.4.2 Embedding PDF
- 7.5 grodvi
  - 7.5.1 Invoking grodvi
- 7.6 grolj4
  - 7.6.1 Invoking grolj4
- 7.7 grolbp
  - 7.7.1 Invoking grolbp
- 7.8 grohtml
  - 7.8.1 Invoking grohtml
  - 7.8.2 grohtml specific registers and strings
- 7.9 gxditview
  - 7.9.1 Invoking gxditview
8 File formats
- 8.1 gtroff Output
- 8.2 Font Files
  - 8.2.1 DESC File Format
  - 8.2.2 Font File Format
9 Installation
Appendix A Copying This Manual
Appendix B Request Index
Appendix C Escape Index
Appendix D Operator Index
Appendix E Register Index
Appendix F Macro Index
Appendix G String Index
Appendix H Glyph Name Index
Appendix I Font File Keyword Index
Appendix J Program and File Index
Appendix K Concept Index

• Introduction:
• Invoking groff:
• Tutorial for Macro Users:
• Macro Packages:
• gtroff Reference:
• Preprocessors:
• Output Devices:
• File formats:
• Installation:
• Copying This Manual:
• Request Index:
• Escape Index:
• Operator Index:
• Register Index:
• Macro Index:
• String Index:
• Glyph Name Index:
• Font File Keyword Index:
• Program and File Index:
• Concept Index:

The GNU Troff Manual

Table of Contents

GNU troff