2.1.13 [HTML] Section 11.2.2, Table Captions: The CAPTION element

V0012:

The specification states:

 Start tag: required, End tag: required

All Document Modes (All Versions)

The end tag for the CAPTION element is optional.

V0013:

The specification states:

 A TABLE element may only contain one CAPTION element.

All Document Modes (All Versions)

A TABLE element may contain any number of CAPTION elements, including zero.