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22.5.3 HTML Customization Variables

This table gives the customization variables which apply to HTML output only. A few other customization variable apply to both HTML and other output formats; those are given in the next section.

AVOID_MENU_REDUNDANCY

For HTML. If set, and the menu entry and menu description are the same, then do not print the menu description; default false.

AFTER_BODY_OPEN

For HTML. If set, the corresponding text will appear at the beginning of each HTML file; default unset.

AFTER_ABOUT

For HTML, when an About-element is output. If set, the corresponding text will appear at the end of the About element; default unset.

AFTER_OVERVIEW
AFTER_TOC_LINES

For HTML. If set, the corresponding text is output after the short table of contents for AFTER_OVERVIEW and after the table of contents for AFTER_TOC_LINES; otherwise, a default string is used. At the time of writing, a </div> element is closed.

In general, you should set BEFORE_OVERVIEW if AFTER_OVERVIEW is set, and you should set BEFORE_TOC_LINES if AFTER_TOC_LINES is set.

BASEFILENAME_LENGTH

For HTML. The maximum length of the base filenames; default 245. Changing this would make cross-manual references to such long node names invalid (see HTML Xref Link Basics).

BEFORE_OVERVIEW
BEFORE_TOC_LINES

For HTML. If set, the corresponding text is output before the short table of contents for BEFORE_OVERVIEW and before the table of contents for BEFORE_TOC_LINES, otherwise a default string is used. At the time of writing, a <div ...> element is opened.

In general you should set AFTER_OVERVIEW if BEFORE_OVERVIEW is set, and you should set AFTER_TOC_LINES if BEFORE_TOC_LINES is set.

BIG_RULE

For HTML. Rule used after and before the top element and before special elements, but not for footers and headers; default <hr>.

BODYTEXT

For HTML, the text appearing in <body>. By default, set automatically, taking into account the document language (see @documentlanguage).

CASE_INSENSITIVE_FILENAMES

For HTML. Construct output file names as if the filesystem were case insensitive (see HTML Splitting); default false.

CHAPTER_HEADER_LEVEL

For HTML. Header formatting level used for chapter level sectioning commands; default ‘2’.

CHECK_HTMLXREF

For HTML. Check that manuals which are the target of external cross references (see Four and Five Arguments) are present in htmlxref.cnf (see HTML Xref Configuration); default false.

COMPLEX_FORMAT_IN_TABLE

For HTML. If set, use tables for indentation of complex formats; default false.

CSS_LINES

For HTML. CSS output, automatically determined by default (see HTML CSS).

DATE_IN_HEADER

For HTML. Put the document generation date in the header; off by default.

DEF_TABLE

For HTML. If set, a <table> construction for @deffn and similar @-commands is used (looking more like the TeX output), instead of definition lists; default false.

DEFAULT_RULE

For HTML. Rule used between element, except before and after the top element, and before special elements, and for footers and headers; default <hr>.

DO_ABOUT

For HTML. If set to 0 never do an About special element; if set to 1 always do an About special element; default 0.

EXTERNAL_DIR

For HTML. Base directory for external manuals; default none. It is better to use the general external cross reference mechanism (see HTML Xref Configuration) than this variable.

EXTRA_HEAD

For HTML. Additional text appearing within <head>; default unset.

FOOTNOTE_END_HEADER_LEVEL

For HTML. Header formatting level used for the footnotes header with the ‘end’ footnotestyle; default ‘4’. See Footnote Styles.

FOOTNOTE_SEPARATE_HEADER_LEVEL

For HTML. Header formatting level used for the footnotes header with the ‘separate’ footnotestyle; default ‘4’. See Footnote Styles.

FRAMES

For HTML. If set, a file describing the frame layout is generated, together with a file with the short table of contents; default false.

FRAMESET_DOCTYPE

For HTML. Same as DOCTYPE, but for the file containing the frame description.

HEADER_IN_TABLE

For HTML. Use tables for header formatting rather than a simple <div> element; default false.

ICONS

For HTML. Use icons for the navigation panel; default false.

IMAGE_LINK_PREFIX

For HTML. If set, the associated value is prepended to the image file links; default unset.

INLINE_CONTENTS

For HTML. If set, output the contents where the @contents and similar @-commands are located; default true. This is ignored if @set*contentsaftertitlepage is set (see Contents).

INLINE_CSS_STYLE

For HTML. Put CSS directly in HTML elements rather than at the beginning of the output; default false.

KEEP_TOP_EXTERNAL_REF

For HTML. If set, do not ignore ‘Top’ as the first argument for an external ref to a manual, as is done by default. See Top Node Naming.

L2H

For HTML. If set, latex2html is used to convert @math and @tex sections; default false. Best used with --iftex.

L2H_CLEAN

(Relevant only if L2H is set.) If set, the intermediate files generated in relation with latex2html are removed; default true.

L2H_FILE

(Relevant only if L2H is set.) If set, the given file is used as latex2html’s init file; default unset.

L2H_HTML_VERSION

(Relevant only if L2H is set.) The HTML version used in the latex2html call; default unset.

L2H_L2H

(Relevant only if L2H is set.) The program invoked as latex2html; default is latex2html.

L2H_SKIP

(Relevant only if L2H is set.) If set to a true value, the actual call to latex2html is skipped; previously generated content is reused instead. If set to 0, the cache is not used at all. If set to ‘undef’, the cache is used for as many TeX fragments as possible and for any remaining the command is run. The default is ‘undef’.

L2H_TMP

(Relevant only if L2H is set.) Set the directory used for temporary files. None of the file name components in this directory name may start with ‘.’; otherwise, latex2html will fail (because of dvips). The default is the empty string, which means the current directory.

MAX_HEADER_LEVEL

For HTML. Maximum header formatting level used (higher header formatting level numbers correspond to lower sectioning levels); default ‘4’.

MENU_SYMBOL

For HTML. Symbol used in front of menu entries when node names are used for menu entries formatting; default ‘&bull;’.

MONOLITHIC

For HTML. Output only one file including the table of contents. Set by default, but only relevant when the output is not split.

NO_CSS

For HTML. Do not use CSS; default false. See HTML CSS.

NODE_FILE_EXTENSION

For HTML. Extension for node files if NODE_FILENAMES is set; default ‘html’.

PRE_ABOUT

For HTML, when an About element is output. If set to a text string, this text will appear at the beginning of the About element. If set to a reference on a subroutine, the result of the subroutine call will appear at the beginning of the About element. If not set (the default), default text is used.

PRE_BODY_CLOSE

For HTML. If set, the given text will appear at the footer of each HTML file; default unset.

PROGRAM_NAME_IN_FOOTER

For HTML. If set, output the program name and miscellaneous related information in the page footers; default false.

SHORTEXTN

For HTML. If set, use ‘.htm’ as extension; default false.

SHOW_TITLE

For HTML. If set, output the title at the beginning of the document; default true.

SIMPLE_MENU

For HTML. If set, use a simple preformatted style for the menu, instead of breaking down the different parts of the menu; default false. See Menu Parts.

TOC_LINKS

For HTML. If set, links from headings to toc entries are created; default false.

TOP_FILE

This file name may be used for the top-level file. The extension is set appropriately, if necessary. This is used to override the default, and is, in general, only taken into account when output is split, and for HTML.

TOP_NODE_FILE

For HTML. File name used for the Top node, if NODE_FILENAMES is set; default is index.

TOP_NODE_FILE_TARGET

For HTML. File name used for the Top node in cross references; default is index.

TOP_NODE_UP_URL

For HTML. The url used for the Up pointer of the Top node; default undef, meaning no link is generated.

USE_ACCESSKEY

For HTML. Use accesskey in cross references; default true.

USE_ISO

For HTML. Use entities for doubled single-quote characters (see Inserting Quotation Marks), and ‘---’ and ‘--’ (see Conventions); default true.

USE_LINKS

For HTML. Generate <link> elements in the HTML <head> output; default true.

USE_REL_REV

For HTML. Use rel in cross references; default true.

VERTICAL_HEAD_NAVIGATION

For HTML. If set, a vertical navigation panel is used; default false.

WORDS_IN_PAGE

For HTML, with output split at nodes. Specifies the approximate minimum page length at which a navigation panel is placed at the bottom of a page. To avoid ever having the navigation buttons at the bottom of a page, set this to a sufficiently large number. The default is 300.

XREF_USE_FLOAT_LABEL

For HTML. If set, for the float name in cross references, use the float label instead of the type followed by the float number (see @float). The default is off.

XREF_USE_NODE_NAME_ARG

For HTML. Only relevant for cross reference commands with no cross reference name (second argument). If set to 1, use the node name (first) argument in cross reference @-commands for the text displayed as the hyperlink. If set to 0, use the node name if USE_NODES is set, otherwise the section name. If set to ‘undef’, use the first argument in preformatted environments, otherwise use the node name or section name depending on USE_NODES. The default is ‘undef’.


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