atory Tags</a>
<br><a href="#JPEG">The JPEG Segment Size Limitation</a>
<br><a href="#Preview">The Preview Image Problem</a> (<i>updated 2009-06-12</i>)
<br><a href="#IFD0">IFD0/ExifIFD Ambiguity</a>
</div>
<h1 class='up'>Writing Meta Information</h1>
<a name='Abstract'></a>
<h3>Abstract</h3>
<p>Writing meta information is more complicated than it may appear at first
glance, which may be one reason why there are very few utilities around that do
it. ExifTool uses tag names to identify the different pieces o