t>&#8216;</tt></tt> (for <tt>quasisyntax</tt>), <tt><tt>#</tt>,</tt> (for <tt>unsyntax</tt>), and <tt><tt>#</tt>,@</tt>
(for <tt>unsyntax-splicing</tt> have been added; see section&nbsp;<a href="r6rs-Z-H-7.html#node_sec_4.3.5">4.3.5</a>.)
</p>
<li><p><tt><tt>#</tt></tt> can no longer be used in place of digits in number
representations.
</p>
<li><p>The external representation of number objects can now include a
mantissa width.
</p>
<li><p>Literals for NaNs and infinities were added.
</p>
<li><p>String and c