<?xml version="1.0"?>
<dm:diff xmlns:dm="http://www.locus.cz/diffmark">
  <framework>
    <with>
      <a>
        <structure>
          <dm:insert>
with some
</dm:insert>
        </structure>
      </a>
    </with>
    <dm:insert>
inserted content...
</dm:insert>
  </framework>
</dm:diff>