nl_tokens: This generates a generator that will render the appropriate block in a form suitable for async . parallel .
pl_tokens: function getPluginTemplate ( name , context ) { return function ( cb ) { if ( cache [ name ] ) { cache [ name ] ( <mask> , function ( err , res ) { if ( err ) return cb ( err ) ; cb ( null , [ name , res ] ) ; } ) ; } else { cb ( null , null ) ; } } ; }