te has fijado en algo que despues de tu = ;)
Código PHP:
$shtml="<table>";
$shtml=$shtml."<tr>";
$shtml=$shtml."<td colspan='7'><h3>Pacific International Air-Cargo</h3></td>";
$shtml=$shtml."</tr>";
$shtml=$shtml."<tr>";
$shtml=$shtml."<td colspan='7'><h4>Exportar files for status</h4></td>";
$shtml=$shtml."</tr>";
$shtml=$shtml."<tr>";
$shtml=$shtml."<td bgcolor='#F0F0F0'>Customer</td> ";
$shtml=$shtml."<td bgcolor='#F0F0F0'>Delivery Day </td> ";
$shtml=$shtml."<td bgcolor='#F0F0F0'>Nro Document</td> ";
$shtml=$shtml."<td bgcolor='#F0F0F0'>Status</td> ";
$shtml=$shtml."<td bgcolor='#F0F0F0'>Client</td> ";
$shtml=$shtml."<td bgcolor='#F0F0F0'>Image</td> ";
$shtml=$shtml."<td bgcolor='#F0F0F0'>Date Process</td> ";
$shtml=$shtml."</tr>";
while($row = mysql_fetch_array($result))
{
$shtml=$shtml."<td>".$row['idclie']."</td>";
$shtml=$shtml."<td>".$row['deliveryday']."</td>";
$shtml=$shtml."<td>".$row['nrodoc']."</td>";
$shtml=$shtml."<td>".$row['status']."</td>";
$shtml=$shtml."<td>".$row['respons']."</td>";
$shtml=$shtml."<td>".$row['view']."</td>";
$shtml=$shtml."<td>".$row['dateprocess']."</td>";
$shtml=$shtml."</tr>";
}
}
$shtml=$shtml."</table>";
al no poner ese punto faltante la variable toma el valor que le asignas en ese punto y el reto se pierde.
saludos