ho fatto così:

<table border="1" width="100%">
<tr>
<td width="20%">1</td>
<td width="20%">ciccio')">1</td>
<td width="20%">3</td>
<td width="20%">4</td>
<td width="20%">5</td>
</tr>
<tr>
<td width="20%"> </td>
<td id="box" width="60%" colspan="3">location delle pagine</td>
<td width="20%"> </td>
</tr>
<tr>
<td width="20%">& n b s p; </td>
<td width="20%">& n b s p; </td>
<td width="20%">& n b s p; </td>
<td width="20%">& n b s p; </td>
<td width="20%">& n b s p; </td>
</tr>
</table>

e mi da questo errore:

constant string nn terminata