Texinfo to HTML:

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# Texinfo to HTML

This Manual (Edition 0.11, last updated at 09. July 2000) describes the `texi2html` Perl script which converters Texinfo into HTML.

Please send bug reports about this manual to Karl Heinz Marbaise khmarbaise@gmx.de. Please state exact version/edition of the manual (can be found at start of Texinfo source file; use the entry Id under Revisions).

Please note:

    This manual is currently under
    construction and of course incomplete ;-)

> 1. Overview about `texi2html` |  |
> 2. Installation of `texi2html` |  | Installation process.
> 3. Customizing files |  | Customizing.
> 4. Customizing what gets expanded |  |
> 5. Customizing page layout: |  |
> 6. Initialization file |  |
> 7. Extension file |  |
> 6.1 Initialization file options |  |
> 8. Command Line Options |  |

> -- The Detailed Node Listing ---
> Overview

> 1.2 Why ``texi2html'` and not ``makeinfo'`? |  |

> Installation process

> 2. Installation of `texi2html` |  | Installation process.

> Initialization file options

> 6.1.1 Number sections. |  | Number sectioning.
> 6.1.2 Avoid menu redundancy |  |
> 6.1.3 Center Image |  |
> 6.1.4 Example Indent Cell |  |
> 6.1.5 Small Example Indent |  | Sample Indent Cell.
> 6.1.6 Small Font Size |  |
> 6.1.7 Top Heading |  |
> 6.1.8 Index Chapter |  |
> 6.1.9 Split Index |  |
> 6.1.10 HREF Dir Instead File. |  | HREF Dir Instead file.

> Command Line Options

> 8.1 Debugging |  |
> 8.2 DocType |  | DocType (HTML)
> 8.3 Check |  | Checking files.
> 8.4 Expand |  | Expanding info, tex areas etc.
> 8.5 Glossary |  |
> 8.6 Invisible |  |
> 8.7 Iso |  |
> 8.8 Include Direcotry |  | Include directories.
> 8.9 Top File |  |
> 8.10 Table Of content File |  | Table of content File.
> 8.11 Frames |  |
> 8.12 Menu's |  |
> 8.13 Number sections |  |
> 8.14 Split |  | Splitting.
> 8.15 Section navigation |  | Navigation.
> 8.16 Subdirectory |  |
> 8.17 Short extension |  |
> 8.18 Prefix |  |
> 8.19 Output filename |  | Output.
> 8.20 Short Cross References |  | Short Ref.
> 8.21 Index Summary |  |
> 8.22 Verbose output |  | Verbose.
> 8.23 Language Support |  | Language.
> 8.24 LaTeX2HTML for `@math` and `@tex` |  | LaTeX2HTML.

> LaTeX2HTML for `@math` and `@tex`

> 8.24.1 Where to find `latex2html` |  | Where to find LaTeX2HTML.
> 8.24.2 Skip calling LaTeX2HTML |  |
> 8.24.3 Temporary files for LaTeX2HTML |  |

> Indices

> A. Indices |  | Command Line Option Index.
> A.2 Variable Index |  |

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# 1. Overview about `texi2html`

Texinfo is the official documentation format of the GNU project. It uses a single source file to produce both online information and printed output.

It is often proposed to have a way to produce HTML from Texinfo sources, like the GNU-Info format. It is much simpler to create one converter instead of writing all documentation new in HTML, cause there is so much documentation in Texinfo format all over the world.

The purpose of ``texi2html'` is to convert Texinfo documents into HTML.

> 1.1 Ways to get HTML |  | Ways to get HTML files.
> 1.2 Why ``texi2html'` and not ``makeinfo'`? |  | Why texi2html and not makeinfo?.

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## 1.1 Ways to get HTML

You would like to HTML files out of your Texinfo files? You have two choices. The first one is to use `makeinfo` itself to create HTML files. The resulted file is only one big file and you don't have much possibilities to change the layout of some sort of configuration you like. ...

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## 1.2 Why ``texi2html'` and not ``makeinfo'`?

In contrast to the HTML produced by `makeinfo --html` (the `makeinfo` program is part of the Texinfo distribution), the HTML output of ``texi2html'` is highly configurable. Among other differences, with `texi2html` allows you to customize your entire page layout (like headers, footers, style sheets, etc), split documents at various levels, and use `latex2html` to convert `@tex` sections.

`texi2html` should reasonably convert all Texinfo 4.0 constructs. If not, please send a bug report to texi2html@mathematik.uni-kl.de.

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# 2. Installation of `texi2html`

description of the installation process. What do you need? How?

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# 3. Customizing files

Result from using ``-frames'`

    texi2html -V -frames texi2html.texi

Explanation of the output differences against default, whatever this is ;-)

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# 4. Customizing what gets expanded

Test starting.

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# 5. Customizing page layout:

a) General: Philosopy, and how it works
aa) Navigation panels
b) Top page
c) Section pages
d) Misc pages (ToC, About, etc)

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# 6. Initialization file

``texi2html.init'`

Initialization options are read first from ``/usr/local/etc/texi2htmlrc'` (the exact location being changeable with the ``--sysconfdir=dir'` option to the `configure` script), then from ``$HOME/.texi2htmlrc'`, then any command-line options including ``-init_file'` option; with later settings overriding earlier ones.

The default initialization options are defined in the ``texi2html.init'` file contained in the Texi2html distribution (which gets includes near the biginning of the `texi2html` script that gets installed).

To customize ``texi2html'` it is best if you copy the appropriate sections from the ``texi2html.init'` contents into an appropriate local initialization file, make the necessary changes there, and then have `texi2html` read this inialization file by one of the means described above.

For an example on what you can produces with `texi2html` have a look at the following sites: http://www.singular.uni-kl.de/Manual/html/

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## 6.1 Initialization file options

This section describes in detail all option which can only be used in initialization file (``texi2html.init'`), but not on command line. This mean the only way to change those options is to change the initialization file.

> 6.1.1 Number sections. |  | Number sectioning.
> 6.1.2 Avoid menu redundancy |  |
> 6.1.3 Center Image |  |
> 6.1.4 Example Indent Cell |  |
> 6.1.5 Small Example Indent |  | Sample Indent Cell.
> 6.1.6 Small Font Size |  |
> 6.1.7 Top Heading |  |
> 6.1.8 Index Chapter |  |
> 6.1.9 Split Index |  |
> 6.1.10 HREF Dir Instead File. |  | HREF Dir Instead file.

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### 6.1.1 Number sections.

if set, and $T2H_NUMBER_SECTIONS is set, then use node names in menu entries, instead of section names

$T2H_NODE_NAME_IN_MENU = 0;

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### 6.1.2 Avoid menu redundancy

if set and menu entry equals menu descr, then do not print menu descr. Likewise, if node name equals entry name, do not print entry name. $T2H_AVOID_MENU_REDUNDANCY = 1;

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### 6.1.3 Center Image

if set, center @image by default otherwise, do not center by default $T2H_CENTER_IMAGE = 1;

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### 6.1.4 Example Indent Cell

used as identation for block enclosing command `@example`, etc If not empty, must be enclosed in `<td></td>` $T2H_EXAMPLE_INDENT_CELL = '<td>&nbsp;</td>';

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### 6.1.5 Small Example Indent

same as above, only for `@small` $T2H_SMALL_EXAMPLE_INDENT_CELL = "<td>&nbsp;</td>";

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### 6.1.6 Small Font Size

# font size for @small $T2H_SMALL_FONT_SIZE = "-1";

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### 6.1.7 Top Heading

if non-empty, and no `@..heading` appeared in Top node, then use this as header for top node/section, otherwise use value of `@settitle` or `@shorttitle` (in that order) $T2H_TOP_HEADING = "";

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### 6.1.8 Index Chapter

if set, use this chapter for Index button, else use first chapter whose name matches index (case insensitive) $T2H_INDEX_CHAPTER = "";

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### 6.1.9 Split Index

if set and $T2H_SPLIT is set, then split index pages at the next letter after they have more than that many entries

$T2H_SPLIT_INDEX = 100;

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### 6.1.10 HREF Dir Instead File.

if set (e.g., to ``index.html'`) replace hrefs to this file (i.e., to ``index.html'`) by ``./'`

$T2H_HREF_DIR_INSTEAD_FILE = "";

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# 7. Extension file

Here I have to put some explanation about the extension file ``texi2html.ext'`.

I'm not sure which purpose the extension file has. May be Olaf can answer this question.

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# 8. Command Line Options

> 8.1 Debugging |  |
> 8.2 DocType |  | DocType (HTML)
> 8.3 Check |  | Checking files.
> 8.4 Expand |  | Expanding info, tex areas etc.
> 8.5 Glossary |  |
> 8.6 Invisible |  |
> 8.7 Iso |  |
> 8.8 Include Direcotry |  | Include directories.
> 8.9 Top File |  |
> 8.10 Table Of content File |  | Table of content File.
> 8.11 Frames |  |
> 8.12 Menu's |  |
> 8.13 Number sections |  |
> 8.14 Split |  | Splitting.
> 8.15 Section navigation |  | Navigation.
> 8.16 Subdirectory |  |
> 8.17 Short extension |  |
> 8.18 Prefix |  |
> 8.19 Output filename |  | Output.
> 8.20 Short Cross References |  | Short Ref.
> 8.21 Index Summary |  |
> 8.22 Verbose output |  | Verbose.
> 8.23 Language Support |  | Language.
> 8.24 LaTeX2HTML for `@math` and `@tex` |  | LaTeX2HTML.

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## 8.1 Debugging

``-debug'`

debugging: 0 -- no debugging; other values; see beginning of texi2html

$DEBUG_TOC = 1; $DEBUG_INDEX = 2; $DEBUG_BIB = 4; $DEBUG_GLOSS = 8; $DEBUG_DEF = 16; $DEBUG_HTML = 32; $DEBUG_USER = 64; $DEBUG_L2H = 128;

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## 8.2 DocType

``-doctype'`

    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

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## 8.3 Check

``-check'` if set, only check files and give the list of all things that look like untranslated Texinfo commands

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## 8.4 Expand

``-expand'` if set to tex (or, info) expand `@iftex` and `@tex` (or, `@ifinfo`) sections else, neither expand `@iftex`, `@tex`, nor `@ifinfo` sections

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## 8.5 Glossary

``-glossary'` if set, uses section named Footnotes for glossary

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## 8.6 Invisible

``-invisible'` $T2H_INVISIBLE_MARK is the text used to create invisible destination anchors for index links (you can for instance use the ``invisible.xbm'` file shipped with this program). This is a workaround for a known bug of many WWW browsers, including Netscape. For me, it works fine without it -- on the contrary: if there, it inserts space between headers and start of text (obachman 3/99)

    $T2H_INVISIBLE_MARK = "";
    # $T2H_INVISIBLE_MARK = '&#160;';

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## 8.7 Iso

``-iso'`

if set, ISO8879 characters are used for special symbols (like Copyright `(C)`, etc)

$T2H_USE_ISO = 0;

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## 8.8 Include Direcotry

``-I'`

list directories where `@include` files are searched for (besides the directory of the doc file) additional ``-I'` args are add to this list.

@T2H_INCLUDE_DIRS = (".");

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## 8.9 Top File

``-top_file'` uses file of this name for top-level file extension is manipulated appropriately, if necessary. If empty, ``<basename of document>.html'` is used Typically, you would set this to ``index.html'`.

$T2H_TOP_FILE = "";

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## 8.10 Table Of content File

``-toc_file'` uses file of this name for table of contents file extension is manipulated appropriately, if necessary. If empty, ``<basename of document>_toc.html'` is used

$T2H_TOC_FILE = "";

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## 8.11 Frames

``-frames'` if set, output two additional files which use HTML 4.0 frames.

$T2H_FRAMES = 0;

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## 8.12 Menu's

``-menu'` or ``-nomenu'` if set, show the Texinfo menus

$T2H_SHOW_MENU = 1;

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## 8.13 Number sections

``-number'` ``-nonumber'` if set, number sections and show section names and numbers in references and menus

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## 8.14 Split

``-split section|chapter|none'` if set to section (resp. chapter) create one HTML file per (sub)section (resp. chapter) and separate pages for Top, ToC, Overview, Index, Glossary, About. otherwise, create monolithic HTML file which contains whole document

#$T2H_SPLIT = 'section'; $T2H_SPLIT = undef;

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## 8.15 Section navigation

``-section_navigation'`| ``-no-section_navigation'`

if set, then navigation panels are printed at the beginning of each section and, possibly at the end (depending on whether or not there were more than $T2H_WORDS_IN_PAGE words on page). This is most useful if you do not want to have section navigation on ``-split chapter'`

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## 8.16 Subdirectory

``-subdir'` if set put result files in this directory if not set result files are put into current directory

$T2H_SUBDIR = undef;

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## 8.17 Short extension

``-short_extn'` If this is set all HTML file will have extension ``.htm'` instead of ``.html'`. This is helpful when shipping the document to PC systems. $T2H_SHORTEXTN = 0;

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## 8.18 Prefix

``-prefix'` Set the output file prefix, prepended to all ``.html'`, ``.gif'` and ``.pl'` files. By default, this is the basename of the document

$T2H_PREFIX = "";

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## 8.19 Output filename

``-o filename'`|``-out_file'` If set, generate monolithic document output HTML into ``filename'`.

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## 8.20 Short Cross References

``-short_ref'` if set cross-references are given without section numbers

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## 8.21 Index Summary

``-idx_sum'` If value is set, then for each `@prinindex $what` ``$docu_name_$what.idx'` is created which contains lines of the form $key\t$ref sorted alphabetically (case matters).

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## 8.22 Verbose output

``-verbose'` if set, chatter about what we are doing.

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## 8.23 Language Support

``-lang'` For page titles use `$T2H_WORDS->{$T2H_LANG}->{...}` as title. To add a new languages, supply list of titles (see $T2H_WORDS). and use ISO 639 language codes (see e.g. perl module ``Locale-Codes-1.02.tar.gz'` for definitions)

@xref{documentlanguage,,,Texinfo}.

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## 8.24 LaTeX2HTML for `@math` and `@tex`

``-l2h'` if set, uses `latex2html` for generation of math content.

> 8.24.1 Where to find `latex2html` |  | Where to find LaTeX2HTML.
> 8.24.2 Skip calling LaTeX2HTML |  |
> 8.24.3 Temporary files for LaTeX2HTML |  |

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### 8.24.1 Where to find `latex2html`

``-l2h_l2h'` name/location of `latex2html` progam.

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### 8.24.2 Skip calling LaTeX2HTML

``-l2h_skip'` if set, skips actual call to `atex2html` tries to reuse previously generated content, instead.

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### 8.24.3 Temporary files for LaTeX2HTML

``-l2h_tmp'` if set, l2h uses this directory for temporarary files. The path leading to this directory may not contain a dot (i.e., a "."), otherwise, l2h will fail

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# A. Indices

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## A.1 Command Line Option Index

Jump to: | C D E F G I L M N O P S T V

| Index Entry | Section
C |  |
| `check` | 8.3 Check
D |  |
| `debug` | 8.1 Debugging
| `doctype` | 8.2 DocType
E |  |
| `expand` | 8.4 Expand
F |  |
| `frames` | 3. Customizing files
| `frames` | 8.11 Frames
G |  |
| `glossary` | 8.5 Glossary
I |  |
| `I` | 8.8 Include Direcotry
| `idx_sum` | 8.21 Index Summary
| `init_file` | 6. Initialization file
| `invisible` | 8.6 Invisible
| `iso` | 8.7 Iso
L |  |
| `l2h` | 8.24 LaTeX2HTML for `@math` and `@tex`
| `l2h_l2h` | 8.24.1 Where to find `latex2html`
| `l2h_skip` | 8.24.2 Skip calling LaTeX2HTML
| `l2h_tmp` | 8.24.3 Temporary files for LaTeX2HTML
| `lang` | 8.23 Language Support
M |  |
| `menu` | 8.12 Menu's
N |  |
| `no-section_navigation` | 8.15 Section navigation
| `nomenu` | 8.12 Menu's
| `nonumber` | 8.13 Number sections
| `number` | 8.13 Number sections
O |  |
| `o` | 8.19 Output filename
| `out_file` | 8.19 Output filename
P |  |
| `prefix` | 8.18 Prefix
S |  |
| `section_navigation` | 8.15 Section navigation
| `short_extn` | 8.17 Short extension
| `short_ref` | 8.20 Short Cross References
| `split` | 8.14 Split
| `sysconfdir` | 6. Initialization file
T |  |
| `toc_file` | 8.10 Table Of content File
| `top_file` | 8.9 Top File
V |  |
| `verbose` | 8.22 Verbose output

Jump to: | C D E F G I L M N O P S T V

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## A.2 Variable Index

Jump to: | $ D H I T

| Index Entry | Section
$ |  |
| `$T2H_LANG` | 8.23 Language Support
| `$T2H_NODE_NAME_IN_MENU` | 6.1.1 Number sections.
| `$T2H_WORDS` | 8.23 Language Support
D |  |
| `DEBUG_BIB` | 8.1 Debugging
| `DEBUG_DEF` | 8.1 Debugging
| `DEBUG_GLOSS` | 8.1 Debugging
| `DEBUG_HTML` | 8.1 Debugging
| `DEBUG_INDEX` | 8.1 Debugging
| `DEBUG_L2H` | 8.1 Debugging
| `DEBUG_TOC` | 8.1 Debugging
| `DEBUG_USER` | 8.1 Debugging
H |  |
| `HTML 4.0, frames` | 8.11 Frames
| `HTML, frames` | 8.11 Frames
I |  |
| `Include directories` | 8.8 Include Direcotry
T |  |
| `T2H_AVOID_MENU_REDUNDANCY` | 6.1.2 Avoid menu redundancy
| `T2H_CENTER_IMAGE` | 6.1.3 Center Image
| `T2H_CHECK` | 8.3 Check
| `T2H_DOCTYPE` | 8.2 DocType
| `T2H_EXAMPLE_INDENT_CELL` | 6.1.4 Example Indent Cell
| `T2H_EXPAND` | 8.4 Expand
| `T2H_FRAMES` | 8.11 Frames
| `T2H_HREF_DIR_INSTEAD_FILE` | 6.1.10 HREF Dir Instead File.
| `T2H_IDX_SUMMARY` | 8.21 Index Summary
| `T2H_INCLUDE_DIRS` | 8.8 Include Direcotry
| `T2H_INDEX_CHAPTER` | 6.1.8 Index Chapter
| `T2H_INVISIBLE_MARK` | 8.6 Invisible
| `T2H_L2H` | 8.24 LaTeX2HTML for `@math` and `@tex`
| `T2H_L2H_L2H` | 8.24.1 Where to find `latex2html`
| `T2H_L2H_SKIP` | 8.24.2 Skip calling LaTeX2HTML
| `T2H_L2H_TMP` | 8.24.3 Temporary files for LaTeX2HTML
| `T2H_NUMBER_SECTIONS` | 6.1.1 Number sections.
| `T2H_NUMBER_SECTIONS` | 8.13 Number sections
| `T2H_OUT` | 8.19 Output filename
| `T2H_PREFIX` | 8.18 Prefix
| `T2H_SECTION_NAVIGATION` | 8.15 Section navigation
| `T2H_SHORT_REF` | 8.20 Short Cross References
| `T2H_SHORTEXTN` | 8.17 Short extension
| `T2H_SHOW_MENU` | 8.12 Menu's
| `T2H_SMALL_EXAMPLE_INDENT_CELL` | 6.1.5 Small Example Indent
| `T2H_SMALL_FONT_SIZE` | 6.1.6 Small Font Size
| `T2H_SPLIT` | 8.14 Split
| `T2H_SPLIT_INDEX` | 6.1.9 Split Index
| `T2H_SUBDIR` | 8.16 Subdirectory
| `T2H_TOC_FILE` | 8.10 Table Of content File
| `T2H_TOP_FILE` | 8.9 Top File
| `T2H_TOP_HEADING` | 6.1.7 Top Heading
| `T2H_USE_GLOSSARY` | 8.5 Glossary
| `T2H_USE_ISO` | 8.7 Iso
| `T2H_VERBOSE` | 8.22 Verbose output

Jump to: | $ D H I T

[Top] | [Contents] | [Index] | [ ? ]

# Table of Contents

1. Overview about `texi2html`

1.1 Ways to get HTML
1.2 Why ``texi2html'` and not ``makeinfo'`?

2. Installation of `texi2html`
3. Customizing files
4. Customizing what gets expanded
5. Customizing page layout:
6. Initialization file

6.1 Initialization file options

6.1.1 Number sections.
6.1.2 Avoid menu redundancy
6.1.3 Center Image
6.1.4 Example Indent Cell
6.1.5 Small Example Indent
6.1.6 Small Font Size
6.1.7 Top Heading
6.1.8 Index Chapter
6.1.9 Split Index
6.1.10 HREF Dir Instead File.

7. Extension file
8. Command Line Options

8.1 Debugging
8.2 DocType
8.3 Check
8.4 Expand
8.5 Glossary
8.6 Invisible
8.7 Iso
8.8 Include Direcotry
8.9 Top File
8.10 Table Of content File
8.11 Frames
8.12 Menu's
8.13 Number sections
8.14 Split
8.15 Section navigation
8.16 Subdirectory
8.17 Short extension
8.18 Prefix
8.19 Output filename
8.20 Short Cross References
8.21 Index Summary
8.22 Verbose output
8.23 Language Support
8.24 LaTeX2HTML for `@math` and `@tex`

8.24.1 Where to find `latex2html`
8.24.2 Skip calling LaTeX2HTML
8.24.3 Temporary files for LaTeX2HTML

A. Indices

A.1 Command Line Option Index
A.2 Variable Index

[Top] | [Contents] | [Index] | [ ? ]

# Short Table of Contents

> 1. Overview about `texi2html`
> 2. Installation of `texi2html`
> 3. Customizing files
> 4. Customizing what gets expanded
> 5. Customizing page layout:
> 6. Initialization file
> 7. Extension file
> 8. Command Line Options
> A. Indices

[Top] | [Contents] | [Index] | [ ? ]

# About this document

This document was generated by Christian Weisgerber on March, 9 2009 using texi2html

The buttons in the navigation panels have the following meaning:

Button | Name | Go to | From 1.2.3 go to
--- | --- | --- | ---
[ < ] | Back | previous section in reading order | 1.2.2
[ > ] | Forward | next section in reading order | 1.2.4
[ << ] | FastBack | previous or up-and-previous section | 1.1
[ Up ] | Up | up section | 1.2
[ >> ] | FastForward | next or up-and-next section | 1.3
[Top] | Top | cover (top) of document |
[Contents] | Contents | table of contents |
[Index] | Index | concept index |
[ ? ] | About | this page |

where the Example assumes that the current position is at Subsubsection One-Two-Three of a document of the following structure:

- 1. Section One

- 1.1 Subsection One-One

- ...

- 1.2 Subsection One-Two

- 1.2.1 Subsubsection One-Two-One
- 1.2.2 Subsubsection One-Two-Two
- 1.2.3 Subsubsection One-Two-Three <== Current Position
- 1.2.4 Subsubsection One-Two-Four

- 1.3 Subsection One-Three

- ...

- 1.4 Subsection One-Four

This document was generated by Christian Weisgerber on March, 9 2009 using texi2html