euca-delete-route-table --version (return code: 0)
euca2ools 3.3-devel (Yokohama)
euca-delete-route-table -help (return code: 2)
usage: euca-delete-route-table [--show-empty-fields] [-U URL]
[--region USER@REGION] [-I KEY_ID] [-S KEY]
[--security-token TOKEN] [--debug] [--debugger]
[--version] [-h]
RTABLE
euca-delete-route-table: error: argument -h/--help: ignored explicit argument 'elp'