can't create a couchbase bucket if bucket name starts with a number ( e.g 0replica )

creating a bucket with a name like 0replica_100e5d80-4334-44a2-9bb7-c64ea56d7fd9 goes through.

[menelaus:info] [2012-01-10 15:59:19] [ns_1@127.0.0.1:<0.8488.1>:menelaus_web_buckets:do_bucket_create:272] Created bucket "0replica_100e5d80-4334-44a2-9bb7-c64ea56d7fd9" of type: membase

but couchdb can not create databases files for these buckets



[user:info] [2012-01-10 15:59:20] [ns_1@127.0.0.1:<0.8580.1>:ns_memcached:terminate:351] Shutting down bucket "0replica_100e5d80-4334-44a2-9bb7-c64ea56d7fd9" on 'ns_1@127.0.0.1' for deletion
[error_logger:error] [2012-01-10 15:59:20] [ns_1@127.0.0.1:error_logger:ale_error_logger_handler:log_report:72]
=========================SUPERVISOR REPORT=========================
     Supervisor: {local,'single_bucket_sup-0replica_100e5d80-4334-44a2-9bb7-c64ea56d7fd9'}
     Context: start_error
     Reason: {{case_clause,{error,illegal_database_name}},
                  [{capi_ddoc_replication_srv,open_local_db,1},
                   {cb_generic_replication_srv,init,1},
                   {gen_server,init_it,6},
                   {proc_lib,init_p_do_apply,3}]}
     Offender: [{pid,undefined},
                  {name,
                      {capi_ddoc_replication_srv,
                          "0replica_100e5d80-4334-44a2-9bb7-c64ea56d7fd9"}},
                  {mfargs,
                      {capi_ddoc_replication_srv,start_link,
                          ["0replica_100e5d80-4334-44a2-9bb7-c64ea56d7fd9"]}},
                  {restart_type,permanent},
                  {shutdown,1000},
                  {child_type,worker}]