+
+ <varlistentry>
+ <term>pz:termlist_term_sort</term>
+ <listitem>
+ <para>
+ Specifies how the terms should be sorted. (Not yet implemented)
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>pz:preferred</term>
+ <listitem>
+ <para>
+ Specifies that a target is preferred, e.g. possible local, faster target. Using block=pref on show command
+ will wait for all these targets to return records before releasing the block. If no target is preferred,
+ the block=pref will identical to block=1, which release when one target has returned records.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>pz:block_timeout</term>
+ <listitem>
+ <para>
+ (Not yet implemented). Specifies the time for which a block should be released anyway.
+ </para>
+ </listitem>
+ </varlistentry>
+