2.2.22 [HTML] Section 13.6.1, Client-side image maps: the MAP and AREA elements

C0022:

The specification states:

 The MAP element specifies a client-side image map (or other navigation mechanism) 
 that may be associated with another elements (IMG, OBJECT, or INPUT).

All Document Modes (All Versions)

An INPUT element of type image that also specifies a usemap attribute acts as a submit button rather than an image map.

C0023:

The specification states:

 An image map is associated with an element via the element's usemap attribute.

All Document Modes (All Versions)

An INPUT element of type image that also specifies a usemap attribute acts as a submit button rather than an image map.