Many members of the user and alternate client communities have indicated that they wish to subset and extend HTML in a variety of ways.
Benefits:
Quote:
Originally Posted by The Web Standards Project
The Modularization of XHTML
(or XHTML m12n, for short) is a framework defining basically two mechanisms:
how to group elements and attributes (of a markup language such as XHTML)
with similar functionality into “modules”,
how to plug these modules together to create new markup languages.
The resulting languages, called conformant “XHTML Host Languages”, are adapted to the
particular needs of a specific task or client, but are still based on the familiar
XHTML structure.
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