A thing which represents a specific representation of an information resource: that conveyed by its body or by its source.

remarks that this class encompasses things similar to “what one can get from a H·T·T·P connection”, in that it has a body as well as other associated metadata (provided by its other properties). Providing a literal body, rather than a source, is strongly preferred.

The media type of the body may be provided, regardless of whether the body is provided literally or via a source. However, there are restrictions on literal bodies :⁠—

If the media type ends in /xml or +xml (case‐insensitively), then the literal body must not be a .

If the media type is present, but does not end in /xml or +xml (case‐insensitively), then the literal body must not be a .

If the body is a language‐tagged string, then there must not be a media type.

1 0 0 1 .*[+/][Xx][Mm][Ll] 0 0 .*[+/][Xx][Mm][Ll] 0