HPn
Description
The HP set of elements, with n=1,2,... provided
a mechanism to highlight the characters in a phrase with
one of a set of browser defined highlight mechanisms.
Minimum Attributes
<HPn>characters... </HPn>
All Possible Attributes
<HPn>characters... </HPn>
Variations
HPn was an early idea about highlighting but is seldom used
or implemented.
RFC 1866 does not include these elements, and these elements
should be considered obsolete.
