J'ai modifié à priori comme il faut et installer le bon truc au bon endroit 
Citation :
 
 cat /Local/OpenOffice/user/wordbook/dictionary.lst
 # List of All Dictionaries to be Loaded by OpenOffice
 # ---------------------------------------------------
 # Each Entry in the list have the following space delimited fields
 #
 # Field 1: Entry Type "DICT" is the only supported entry type so far
 #
 # Field 2: Language code from Locale "en" or "de" or "pt" ...
 #
 # Field 3: Country Code from Locale "US" or "GB" or "PT"
 #
 # Field 4: Root name of Dictionary "english" or "en_US" or ...
 #          (do not add the .aff or .dic extensions to the name)     DICT en US en_US
 DICT fr FR fr_FR
 
   | 
 
mais j'ai pas le petit logo devant Français dans la liste des dicos (que pour l'angliche)