>>> "DZ" == Diego Zamboni <diego@zzamboni.org> writes:

   > Hi Uwe,
   > Yes, this is supported and documented:
   > https://orgmode.org/manual/Plain-lists.html

   > For example:

   >  1. Item 1

   >     1. Sub item 1.1

   >        1. Sub-sub item 1.1.1

   >     2. Sub Item 1.2

   >  2. Item 2

   >     1. Sub item 2.1

Ok. It is not done  via changing the enumeration scheme from 1. To 1.1
but increasing the indentation via the meta right/left commands

Thanks.

Uwe