le XML).</td></tr>

<tr><td>NO_UNKNOWN</td><td>Don't generate unknown tags automatically even if Unknown option is set</td></tr>

<tr><td>NUM_FOUND</td><td>Number of tags found</td></tr>

<tr><td>OldIPTCDigest</td><td>MD5 digest for original IPTC data (undefined if IPTC didn't
    exist).  Calculated only if a value of 'old' is being written/deleted to/from the
    Photoshop:IPTCDigest tag</td></tr>

<tr><td>OPTIONS</td><td>ExifTool options</td></tr>

<tr><td>PATH</td><td>List reference to SubDirectory path