This unsupported element is not recommended. Authors should generally find an alternative way to accomplish the same task while adhering to all best practices, or simply do without it if it is unimportant.
The void HTML
<nextid /> element was meant to give a hint for the
name value to use when creating a new hyperlink element instance (
<a>) while editing an HTML document and should be distinct from all
name attribute values on other
<a> elements. This element was introduced in HTML 2 but has long since disappeared so it should not be included in any HTML documents. Browsers do not need to support this element, so it is basically harmless.
|alphanumeric string||Identifies the value of this attribute as a unique naming system for use in creating new anchor tag within the document. The value is an alphanumeric string.|
<nextid n="abc123" />