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Info Node: (reftex)Options (Optimizations)

(reftex)Options (Optimizations)

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 - User Option: reftex-keep-temporary-buffers
     Non-`nil' means, keep buffers created for parsing and lookup.
     RefTeX sometimes needs to visit files related to the current
     document.  We distinguish files visited for
          Parts of a multifile document loaded when (re)-parsing the

          BibTeX database files and TeX files loaded to find a
          reference, to display label context, etc.  The created
     buffers can be kept for later use, or be thrown away immediately
     after use, depending on the value of this variable:

          Throw away as much as possible.

          Keep everything.

          Throw away buffers created for parsing, but keep the ones
          created for lookup.

     If a buffer is to be kept, the file is visited normally (which is
     potentially slow but will happen only once). If a buffer is to be
     thrown away, the initialization of the buffer depends upon the
     variable `reftex-initialize-temporary-buffers'.

 - User Option: reftex-initialize-temporary-buffers
     Non-`nil' means do initializations even when visiting file
     temporarily.  When `nil', RefTeX may turn off find-file hooks and
     other stuff to briefly visit a file. When `t', the full default
     initializations are done (`find-file-hook' etc.).  Instead of `t'
     or `nil', this variable may also be a list of hook functions to do
     a minimal initialization.

 - User Option: reftex-no-include-regexps
     List of regular expressions to exclude certain input files from
     parsing.  If the name of a file included via `\include' or
     `\input' is matched by any of the regular expressions in this
     list, that file is not parsed by RefTeX.

 - User Option: reftex-enable-partial-scans
     Non-`nil' means, re-parse only 1 file when asked to re-parse.
     Re-parsing is normally requested with a `C-u' prefix to many RefTeX
     commands, or with the `r' key in menus.  When this option is `t'
     in a multifile document, we will only parse the current buffer, or
     the file associated with the label or section heading near point
     in a menu.  Requesting re-parsing of an entire multifile document
     then requires a `C-u C-u' prefix or the capital `R' key in menus.

 - User Option: reftex-save-parse-info
     Non-`nil' means, save information gathered with parsing in files.
     The file `MASTER.rel' in the same directory as `MASTER.tex' is
     used to save the information.  When this variable is `t',
        - accessing the parsing information for the first time in an
          editing session will read that file (if available) instead of
          parsing the document.

        - exiting Emacs or killing a buffer in reftex-mode will cause a
          new version of the file to be written.

 - User Option: reftex-parse-file-extension
     File extension for the file in which parser information is stored.
     This extension is added to the base name of the master file.

 - User Option: reftex-allow-automatic-rescan
     Non-`nil' means, RefTeX may rescan the document when this seems
     necessary.  Applies (currently) only in rare cases, when a new
     label cannot be placed with certainty into the internal label list.

 - User Option: reftex-use-multiple-selection-buffers
     Non-`nil' means use a separate selection buffer for each label
     type.  These buffers are kept from one selection to the next and
     need not to be created for each use - so the menu generally comes
     up faster.  The selection buffers will be erased (and therefore
     updated) automatically when new labels in its category are added.
     See the variable `reftex-auto-update-selection-buffers'.

 - User Option: reftex-auto-update-selection-buffers
     Non-`nil' means, selection buffers will be updated automatically.
     When a new label is defined with `reftex-label', all selection
     buffers associated with that label category are emptied, in order
     to force an update upon next use.  When `nil', the buffers are left
     alone and have to be updated by hand, with the `g' key from the
     label selection process.  The value of this variable will only
     have any effect when `reftex-use-multiple-selection-buffers' is

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