+ /// Reads the first tag of a LyX File and
+ /// returns the file format number.
+ ReadStatus parseLyXFormat(Lexer & lex, support::FileName const & fn,
+ int & file_format) const;
+ /// Convert the LyX file to the LYX_FORMAT using
+ /// the lyx2lyx script and returns the filename
+ /// of the temporary file to be read
+ ReadStatus convertLyXFormat(support::FileName const & fn,
+ support::FileName & tmpfile, int from_format);
+ //@}
+
+public:
+ /// \name Functions involved in autosave and emergency files.
+ //@{
+ ///
+ void autoSave() const;
+ /// save emergency file
+ /// \return a status message towards the user.
+ docstring emergencyWrite();
+
+//FIXME:The following three functions should be private
+//private:
+ ///
+ void removeAutosaveFile() const;
+ ///
+ void moveAutosaveFile(support::FileName const & old) const;
+ /// Get the filename of the autosave file associated with the Buffer
+ support::FileName getAutosaveFileName() const;
+
+private: