<listitem><simpara>to the versions that belong to the target release.</simpara></listitem>
</varlistentry>
</variablelist>
+
+The highest of those priorities whose description matches the version is assigned to the
+version.
</para>
<para>If the target release has not been specified then APT simply assigns
</programlisting>
</listitem>
</itemizedlist>
+
+The effect of the comma operator is similar to an "and" in logic: All
+conditions must be satisfied for the pin to match. There is one exception:
+For any type of condition (such as two "a" conditions), only the last such
+condition is checked.
</para>
</refsect2>