## S3 method for class 'RspDocument':
preprocess(object, recursive=TRUE, flatten=TRUE, envir=parent.frame(), ...,
  verbose=FALSE)TRUE, any RspDocuments introduced via
     preprocessing directives are recursively parsed and preprocessed
     as well.TRUE, any RspDocument introduced is
     replaced (inserted and expanded) by its list of
  environment where the preprocessing is evaluated.Verbose.RspDocument.RspDocument.