2011-01-31 : Version 4.02
    add transfer to modtool
    
2010-12-04 : Version 4.01 
    Add html editor
    document blocks can be embedded in another document.

2010-02 : Version 4.00
  This module replaces several previously existing language dependent modules adm/doc.xx
  of Gang Xiao. It has been constructed by localization of these modules, keeping a single 
  computation core and adding dictionaries.