
 <li>
 If the primary type of this datasource is not "text", then if
 all the bytes of its input stream are US-ASCII, the encoding
 is "7bit". If there is even one non-US-ASCII character, the
 encoding is "base64".
 </ul></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ds</code> - the DataSource</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the encoding. This is either "7bit",
                        "quoted-printable" or "base64"</dd>
</dl>
</li>
</ul>
<a name="getE