9e191d3368
Commit e42648dccd "qapi/expr.py: Remove single-letter variable" accidentally removed the check for "only lower case letters and hyphens". Restore it. Fixes: e42648dccdd1defe8f35f247966cd7283f865cd6 Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20220510061645.3209195-2-armbru@redhat.com>