+ <title>ENVIRONMENT</title>
+
+ <variablelist>
+ <varlistentry>
+ <term><envar>XDG_DATA_HOME</envar></term>
+ <listitem>
+ <para>Optional directory to look for extension files
+ (<filename>maps.xml</filename>, <filename>goto_tools.xml</filename>,
+ <filename>external_tools.xml</filename>).</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><envar>XDG_DATA_DIRS</envar></term>
+ <listitem>
+ <para>Path used to change the directories scanned for extension files
+ (<filename>maps.xml</filename>, <filename>goto_tools.xml</filename>,
+ <filename>external_tools.xml</filename>).</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>