      \fitem{savevalue}(s:string, \vValue), \vImpure: argument is
      interpreted as the path of a file where the value of the second
      argument is saved. The format of the file is textual and corresponds
      to the \Antescofo grammar. This value can then be read using the
      function \atvar{loadvalue}. See also functions \atvar{dump},
      \atvar{dumpvar} and \atvar{loadvar}.

      

      %%% -------------------------------------------------------

