MDItemTags</td>
<td class=c>N</td>
<td class=c>System</td>
<td><span class=s><span class=n>(not a real tag.  On OS X, a whole range of system-specific metadata tags
with names starting with &quot;MDItem&quot; may be extracted if specifically
requested, or if the MDItemTags API option is set.  Requires that the &quot;mdls&quot;
utility is available)</span></span></td></tr>
<tr class=b>
<td>MIMEType</td>
<td class=c>N</td>
<td class=c>File</td>
<td><span class=s><span class=n>(the MIME type of the source file