[jboss-as7-dev] jboss-cli --command complains about 'duplicate arguments'

Hi all, When I run jboss-cli with --command it complains about 'duplicate arguments': $ ./target/jboss-as-7.2.0.Alpha1-SNAPSHOT/bin/jboss-cli.sh -c --command ls Duplicate argument '--command'/'--commands'. This is with the latest 7.2.0.Alpha1 master and I think I've also seen this on the 7.1.x branch... Am I doing something wrong or is this a bug? Thanks, David