</para>
<para>
- To use this class, you need to define a number of variables.
+ To use this class, you need to define a number of variables:
+ <itemizedlist>
+ <listitem><para><link linkend='var-ALTERNATIVE'><filename>ALTERNATIVE</filename></link>
+ </para></listitem>
+ <listitem><para><link linkend='var-ALTERNATIVE_LINK_NAME'><filename>ALTERNATIVE_LINK_NAME</filename></link>
+ </para></listitem>
+ <listitem><para><link linkend='var-ALTERNATIVE_TARGET'><filename>ALTERNATIVE_TARGET</filename></link>
+ </para></listitem>
+ <listitem><para><link linkend='var-ALTERNATIVE_PRIORITY'><filename>ALTERNATIVE_PRIORITY</filename></link>
+ </para></listitem>
+ </itemizedlist>
These variables list alternative commands needed by a package,
provide pathnames for links, default links for targets, and
so forth.