tree.txt

---

feed:
    [lang]: LANG {channel[language]}
    *author¹: {channel[managingEditor], channel[webMaster]} "betty@herald.com (Betty Guernsey)"
        name¹: STRING {json[author][name]}
        uri¹: IRI {json[author][url]}
        email¹: STRING
        avatar:
            self: IRI {json[author][avatar]}
    category[]:
        term¹: STRING {channel[category][:text]}
        scheme¹: IRI {channel[category][domain]}
        label¹: STRING
    contributor[]: {feed[author]}
        name¹: STRING
        uri¹: IRI
        email¹: STRING
    generator¹:
        uri¹: IRI
        version: STRING {channel[generator]}
    image[]:
        uri: IRI {feed[logo], feed[icon], json[image], json[favicon]}
        title: STRING
        link: IRI
        width: INT
        height: INT
        description: STRING
    *id¹: STRING
    *link[self]¹:
        href¹: IRI {json[feed_url]}
        rel¹: STRING
        type¹: MEDIATYPE
        hreflang¹: LANG
        title¹: STRING
        length¹: INT
    *link[alternate][]:
        href¹: IRI {channel[link], json[home_page_url]}
        rel¹: STRING
        type¹: MEDIATYPE
        hreflang¹: LANG
        title¹: STRING
        length¹: INT
    rating: PICS
    rights¹: STRING {channel[copyright]}
    subtitle¹: STRING {channel[description], json[description]}
    *title¹: STRING {channel[title], json[title]}
    *updated¹: DATETIME {channel[lastBuildDate], channel[pubDate]}
    *entry: {channel[items], json.items}
        *author¹: {item[author]} "betty@herald.com (Betty Guernsey)"
            name¹: STRING
            uri¹: IRI
            email¹: STRING
        category[]:
            term¹: STRING {item[category][:text], json.item[tags]}
            scheme¹: IRI {item[category][domain]}
            label¹: STRING
        content¹:
            [type=text]: STRING {item[description], json.item[content_text]}
            [type=html]: STRING {item[description], json.item[content_html]}
        contributor[]:
            name¹: STRING
            uri¹: IRI
            email¹: STRING
        *id¹: STRING {item[guid][isPermaLink=false], json.item[id]}
        image[]:
            uri: IRI {json.item[image], json.item[banner_image]}
            title: STRING
            link: IRI
            width: INT
            height: INT
            description: STRING
        *link[alternate][]¹:
            href¹: IRI {item[link], item[guid][isPermaLink=true], json.item[url], json.item[external_url]}
            rel¹: STRING
            type¹: MEDIATYPE
            hreflang¹: LANG
            title¹: STRING
            length¹: INT
        *link[alternate][rel=enclosure][]¹:
            href¹: IRI {item[enclosure][url], json.item.attachment[url]}
            rel¹: STRING
            type¹: MEDIATYPE {item[enclosure][type], json.item.attachment[mime_type]}
            hreflang¹: LANG
            title¹: STRING {json.item.attachment[title]}
            length¹: INT {item[enclosure][length], json.item.attachment[size_in_bytes]}
            duration: INT {json.item.attachment[duration_in_seconds]}
        *published¹: DATETIME {item[pubDate], json.item[date_published]}
        rights¹: STRING
        subtitle¹: STRING
        *summary¹: STRING {item[description], json.item[summary]}
        *title¹: STRING {item[title], json.item[title]}
        *updated¹: DATETIME {json.item[date_modified]}
        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.