options for auto completion threshold, source and word replacement in settings * settings-dialog.ui: new settings for auto completion threshold, source and word replacement * settings-dailog.cc(constructor): load values for new settings from file; (write_changed_settings): store values of new settings to settings file * file-editor-tab.cc(notice_settings): load values for auto completion threshold, source and word replacement from settings

((nil .
      ((c-file-style . "gnu")
       (indent-tabs-mode . nil)
       (fill-column . 72)
       (eval . (when (string-match "\\.h\\'" (buffer-file-name))
                 (unless (string-match "/gnulib/" (buffer-file-name))
                   (c++-mode)
                   (c-set-style "gnu"))))))
 (change-log-mode . ((indent-tabs-mode . t)))
 (makefile-mode . ((indent-tabs-mode . t))))