lfs-book/appendixa/sed-desc.xml

<sect2><title>Contents of Sed-&sed-contversion;</title>

<sect3><title>Program Files</title>
<para>sed</para></sect3>

<sect3><title>Descriptions</title>

<sect4><title>sed</title>
<para>sed is a stream editor. A stream editor is used to perform basic text 
transformations on an input stream (a file or input from a
pipeline).</para></sect4>

</sect3>

</sect2>