param tag is used to pass parameters
to the various types of media elements.
This CNXML:
<media id="chromatic-snd" display="block"
alt="A chromatic scale performed on
the clarinet by Michael Lawrence">
<audio mime-type="audio/x-wav"
src="chromatic_slurred.wav">
<param name="title" value="Chromatic Scale" />
</audio>
</media>
Results in this display:
param.
param tag is an empty tag and does
not contain any children.