M-Business Client 5.x and later supports a major portion, but not all, of HTML 4. As you are developing Web pages for devices with M-Business Client 5.x and later, consult this reference to be sure that the cool features of dynamic HTML you are planning to use are supported.

This appendix only lists features of the HTML 4 specification, indicating which are supported by M-Business Client 5.x and later. For information on how to use any of these features, see one of your favorite online references, such as: