Error raised when too many flags are interned to symbols.
This class represents a response received by the SMTP server. Instances of this class are created by the SMTP class; they should not be directly created by the user. For more information on SMTP responses, view Section 4.2 of RFC 5321
The Transitive formatter writes an XML document that parses to an identical document as the source document. This means that no extra whitespace nodes are inserted, and whitespace within text nodes is preserved. Within these constraints, the document is pretty-printed, with whitespace inserted into the metadata to introduce formatting.
Note that this is only useful if the original XML is not already formatted. Since this formatter does not alter whitespace nodes, the results of formatting already formatted XML will be odd.
A FetchError that indicates that the reason for not being able to fetch data was that the host could not be contacted