- <para>The <literal>gmp</literal> and
- <literal>rts</literal> packages are always present, and
- represent the multi-precision integer and runtime system
- libraries respectively. The <literal>std</literal>
- package contains the Haskell prelude and standard
- libraries. The rest of the packages are optional
- libraries.</para>
+ <para>The <literal>rts</literal> package is always
+ present, and represents the runtime system library. The
+ <literal>base</literal> package contains the Haskell
+ prelude and basic hierarchical libraries, and the
+ <literal>haskell98</literal> package contains the Haskell
+ 98 standard libraries. The rest of the packages are
+ optional libraries.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>––list-packages-local</option></term>
+ <term><option>-L</option></term>
+ <indexterm><primary><option>––list-packages-local</option></primary></indexterm>
+ <listitem>
+ <para>Displays the list of packages installed in the
+ topmost configuration file only: that will be the
+ configuration file specified using <option>-f</option> on
+ the command line, or the system configuration file
+ otherwise.</para>
+
+ <para>This option may be more convenient than
+ <option>-l</option> when the output needs to be parsed by
+ a script.</para>