DSDL: wrap augments in <rng:interleave> or <rng:group>.
DSDL: wrap augments in <rng:interleave> or <rng:group>.

If the 'augment' statement has a 'when' substatement, then the @nma:when annotation is attached to this <rng:interleave>/<rng:group> element.
davidegurgone/pyang,davidegurgone/pyang