nds, all
patterning like links:</p>
<ul>
<li>cross-references:
<a href='#common-markdown' class='crossref' name='common-markdown' >ref</a>
or <a href='#sec:intro' class='crossref' name='sec:intro' >ref</a>, see
corresponding <code>label</code> commands</li>
<li>example references:
<ul>
<li>single <a class="exref" example_id="ekiri-13" ></a></li>
<li>subexample <a class="exref" example_id="ekiri-10" ></a></li>
<li>range:
<a class="exref" example_id="ekiri-13" end="machete" ></a></li>
<li>or bare: <a class="e