For the 100th time: Fixed the DocBook XML. >:-( Please, please, please:
Everybody should do a "make validate" before checking in any XML stuff!
<listitem>
<para>For example, <option>--make</option> or <option>-E</option>.
There may be only a single mode flag on the command line. The
- available modes are listed in <xref linkend="modes">.</para>
+ available modes are listed in <xref linkend="modes"/>.</para>
</listitem>
</varlistentry>
<varlistentry>