add the pa_monad syntax extension
add the pa_monad syntax extension

Ignore-this: 80a3c54bb83e37f3793ba6cf4408f2ba

darcs-hash:20090414184431-c41ad-721f291028af24cd80c2c3c38e39ddbaf591f786.gz

avsm/lwt-OLD,avsm/lwt-OLD