Definition: The NEXTID is a parameter read and generated by text editing software to generate unique identifiers. When modifying a document, existing anchor identifiers should not be reused, as these identifiers may be referenced by other documents. Human writers of HTML usually use mnemonic alphabetical identifiers.
Next document-wide alpha-numeric identifier to be allocated; takes the form z123.
Context: <NEXTID> is legal only within
The following markup can be used within <NEXTID>: None
Suggested style/usage: HTML user agents may ignore the NEXTID element. Support for NEXTID does not impact HTML user agents in any way.
Example: <NEXTID N=Z27>