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(info)Emacs Info Variables

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Emacs Info-mode Variables
=========================

   The following variables may modify the behavior of Info-mode in
Emacs; you may wish to set one or several of these variables
interactively, or in your `~/.emacs' init file.  Note: Examining and
Setting Variables.  The stand-alone Info reader
program has its own set of variables, described in Note: Manipulating
Variables.

`Info-directory-list'
     The list of directories to search for Info files.  Each element is
     a string (directory name) or `nil' (try default directory).  If not
     initialized Info uses the environment variable `INFOPATH' to
     initialize it, or `Info-default-directory-list' if there is no
     `INFOPATH' variable in the environment.

`Info-additional-directory-list'
     A list of additional directories to search for Info documentation
     files.  These directories are not searched for merging the `dir'
     file.

`Info-fontify'
     When set to a non-`nil' value, enables highlighting of Info files.
     The default is `t'.  You can change how the highlighting looks by
     customizing the faces `info-node', `info-menu-5', `info-xref',
     `info-header-xref', `info-header-node', `info-title-N-face' (where
     N is the level of the section, a number between 1 and 4), and
     `info-menu-header'.  To customize a face, type `M-x customize-face
     <RET> FACE <RET>', where FACE is one of the face names listed here.

`Info-use-header-line'
     If non-`nil', Emacs puts in the Info buffer a header line showing
     the `Next', `Prev', and `Up' links.  A header line does not scroll
     with the rest of the buffer, making these links always visible.

`Info-scroll-prefer-subnodes'
     If set to a non-`nil' value, <SPC> and <BACKSPACE> (or <DEL>) keys
     in a menu visit subnodes of the current node before scrolling to
     its end or beginning, respectively.  For example, if the node's
     menu appears on the screen, the next <SPC> moves to a subnode
     indicated by the following menu item.  Setting this option to
     `nil' results in behavior similar to the stand-alone Info reader
     program, which visits the first subnode from the menu only when you
     hit the end of the current node.  The default is `t'.

`Info-enable-active-nodes'
     When set to a non-`nil' value, allows Info to execute Lisp code
     associated with nodes.  The Lisp code is executed when the node is
     selected.  The Lisp code to be executed should follow the node
     delimiter (the `DEL' character) and an `execute: ' tag, like this:

          ^_execute: (message "This is an active node!")

`Info-enable-edit'
     Set to `nil', disables the `e' (`Info-edit') command.  A non-`nil'
     value enables it.  Note: Edit.