OBO sections
Capture sections using nested div[1-7,N] elements. Do not nest sections further than div3.
//textMatter/div1
If it seems a section requires deeper nesting that div3 ask your OUP contact for advice.
Example - Nested sections
<textMatter>
<div1 id="obo-9780195390155-0021-div1-0003"><titleGroup>
<title>
<p>Greek Law</p>
</title></titleGroup><!-- Content skipped for brevity --><div2 id="obo-9780195390155-0021-div2-0009">
<titleGroup>
<title>
<p>Unity</p>
</title>
</titleGroup>
<p>Because ancient ...</p></div2>
</div1>
</textMatter>