hic ordering induced by the
corresponding character comparison procedures.
</p>
<li><p>Libraries have been added to the language.
</p>
<li><p>A number of standard libraries are described in a separate
report&nbsp;[<a href="r6rs-Z-H-21.html#node_bib_24">24</a>].
</p>
<li><p>Many situations that &#8220;were an error&#8221; now have defined or
constrained behavior.  In particular, many are now specified in
terms of the exception system.
</p>
<li><p>The full numerical tower is now required.
</p>
<li><p>The sema