nicode (6))</tt> </td></tr>
<tr><td valign=top ><tt>char-numeric?</tt> </td><td valign=top ><tt>(rnrs unicode (6))</tt> </td></tr>
<tr><td valign=top ><tt>char-whitespace?</tt> </td><td valign=top ><tt>(rnrs unicode (6))</tt> </td></tr>
<tr><td valign=top ><tt>char-upper-case?</tt> </td><td valign=top ><tt>(rnrs unicode (6))</tt> </td></tr>
<tr><td valign=top ><tt>char-lower-case?</tt> </td><td valign=top ><tt>(rnrs unicode (6))</tt> </td></tr>
<tr><td valign=top ><tt>close-input-port</tt> </td><td valign=t