+<p>A sysadmin can provide overrides in
+<tt>/etc/insserv/overrides/scriptname</tt> if the script settings are
+wrong. The insserv package provides overrides in
+<tt>/usr/share/insserv/overrides/<tt> for packages currently missing
+headers.</p>
+
+<h2>Handling alternatives</h2>
+
+<p>Not quite tested yet.
+
+<p>Should perhaps be handled using virtual facilities in
+/etc/insserv.conf.d/.
+
+<p>Do not listing identical provides in several scripts - break
+installation.