Identifies the purpose of a date within a citation, when that date has been tagged using the<date>element, which makes the date a publication date.
In this Tag Set, this attribute is likely to be used very rarely. It can only be used on a <date> element when that element is used in a citation. Since <date>s in citations are used to mark the primary publication date, the usual value is likely to be “date-type="pub-date"”.
|Text, numbers, or special characters||Typically a word or phrase that names or describes the purpose of a date, in this case, the publication date:pub-date.|
|Restriction: This attribute may be specified if the element is used.|
Although designed to accept any text as its value, the following is the only suggested date type:
The date a work was published