tree-working.txt

---

feed:
        source[]¹:
            *author¹:
                name¹: STRING
                uri¹: IRI
                email¹: STRING
            category:
                term¹: STRING
                scheme¹: IRI
                label¹: STRING
            contributor:
                name¹: STRING
                uri¹: IRI
                email¹: STRING
            generator¹:
                uri¹: IRI
                version: STRING
            icon¹: IRI
            *id¹: STRING
            *link[self]¹:
                href¹: IRI
                rel¹: STRING
                type¹: MEDIATYPE
                hreflang¹: LANG
                title¹: STRING
                length¹: INT
            *link[alternate][]¹:
                href¹: IRI {item[source][url]}
                rel¹: STRING
                type¹: MEDIATYPE
                hreflang¹: LANG
                title¹: STRING
                length¹: INT
            logo¹: IRI
            rights¹: STRING
            subtitle¹: STRING
            *title¹: STRING {item[source][:text]}
            *updated¹: DATETIME


@type
    - text
    - html
    - xhtml

atom:feed elements MUST contain one or more atom:author elements,
unless all of the atom:feed element's child atom:entry elements
contain at least one atom:author element.

atom:entry elements MUST contain one or more atom:author elements,
unless the atom:entry contains an atom:source element that
contains an atom:author element or, in an Atom Feed Document, the
atom:feed element contains an atom:author element itself.