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Info Node: (reftex)Installation


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   RefTeX is bundled and pre-installed with Emacs since version 20.2.
It was also bundled and pre-installed with XEmacs 19.16-20.x.  XEmacs
21.x users want to install the corresponding plug-in package which is
available from the XEmacs ftp site
(  See the XEmacs 21.x
documentation on package installation for details.

   Users of earlier Emacs distributions (including Emacs 19) can get a
copy of the RefTeX distribution from the maintainers web-page.  Note:
Imprint, for more information.


   RefTeX needs to access all files which are part of a multifile
document, and the BibTeX database files requested by the
`\bibliography' command.  To find these files, RefTeX will require a
search path, i.e. a list of directories to check.  Normally this list
is stored in the environment variables `TEXINPUTS' and `BIBINPUTS'
which are also used by RefTeX.  However, on some systems these
variables do not contain the full search path.  If RefTeX does not work
for you because it cannot find some files, read Note: Finding Files.

Entering RefTeX Mode

   To turn RefTeX Mode on and off in a particular buffer, use `M-x
reftex-mode'.  To turn on RefTeX Mode for all LaTeX files, add the
following lines to your `.emacs' file:

     (add-hook 'LaTeX-mode-hook 'turn-on-reftex)   ; with AUCTeX LaTeX mode
     (add-hook 'latex-mode-hook 'turn-on-reftex)   ; with Emacs latex mode

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