themselves. Some of them are briefly specified here, without being exhaustive:
- extension ``.py`` : data or commands text file of Python source type
-- extension ``.comm`` : commands text file of EFICAS type
+- extension ``.comm`` : commands text file of ADAO EFICAS type
- extension ``.xml`` : data text file of XML type or commands (for YACS, not exclusive)
- extension ``.txt`` : data text file with space separator
- extension ``.dat`` : data text file with space separator