t>set-car!</tt> </td><td valign=top ><tt>(rnrs mutable-pairs (6))</tt> </td></tr>
<tr><td valign=top ><tt>set-cdr!</tt> </td><td valign=top ><tt>(rnrs mutable-pairs (6))</tt> </td></tr>
<tr><td valign=top ><tt>string-ci=?</tt> </td><td valign=top ><tt>(rnrs unicode (6))</tt> </td></tr>
<tr><td valign=top ><tt>string-ci&lt;?</tt> </td><td valign=top ><tt>(rnrs unicode (6))</tt> </td></tr>
<tr><td valign=top ><tt>string-ci&gt;?</tt> </td><td valign=top ><tt>(rnrs unicode (6))</tt> </td></tr>
<tr><td valign=to