lib/rdf/xml/exceptions.ex
defmodule RDF.XML.ParseError do
defexception [:message, :help]
def message(%{message: message, help: nil}), do: message
def message(%{message: message, help: help}), do: message <> "; " <> help
end
defmodule RDF.XML.EncodeError do
defexception [:message]
end