Package: debian-policy 9.11 states:
+--- | Alternative init implementations must support running SysV init | scripts as described at System run levels and init.d scripts for | compatibility. +--- Does this include override mechanisms for important metadata such as dependency information? (/etc/insserv/override, /usr/share/insserv/override) Does this include understanding insserv system facilities? (The init.d script section in Policy referred to is too old to know about any of these features.) Ansgar