alternate

HTML 4.0 Specification

Alternate
Designates substitute versions for the document in which the link occurs. When used together with the lang attribute, it implies a translated version of the document. When used together with the media attribute, it implies a version designed for a different medium (or media).

[引用: 6.12 Link types -- HTML 4.0 Specification より]

HTML 4.01 Specification

Alternate
Designates substitute versions for the document in which the link occurs. When used together with the lang attribute, it implies a translated version of the document. When used together with the media attribute, it implies a version designed for a different medium (or media).

[引用: 6.12 Link types -- HTML 4.01 Specification より]

Modularization of XHTML

Alternate
Designates substitute versions for the document in which the link occurs. When used together with the hreflang attribute, it implies a translated version of the document. When used together with the media attribute, it implies a version designed for a different medium (or media).

[引用: LinkTypes -- Modularization of XHTML より]

XHTML 2.0 Working Draft

Alternate
Designates substitute versions for the document in which the link occurs. When used together with the xml:lang attribute, it implies a translated version of the document. When used together with the media attribute, it implies a version designed for a different medium (or media).

[引用: LinkTypes -- XHTML 2.0 Working Draft より]