add the pa_monad syntax extension
add the pa_monad syntax extension

Ignore-this: 80a3c54bb83e37f3793ba6cf4408f2ba

darcs-hash:20090414184431-c41ad-721f291028af24cd80c2c3c38e39ddbaf591f786

rgrinberg/lwt,rneswold/lwt,fdopen/lwt,mfp/lwt,gfxmonk/lwt,rneswold/lwt,rgrinberg/lwt,ocsigen/lwt,rgrinberg/lwt,c-cube/lwt,mirage/lwt,rneswold/lwt,janestreet/lwt-async,ocsigen/lwt,mirage/lwt,c-cube/lwt,ocsigen/lwt,mfp/lwt,gfxmonk/lwt,fdopen/lwt,rgrinberg/lwt,c-cube/lwt,janestreet/lwt-async