+// Page style options, used when rendering pages. Options are exclusive.
+define('SKINNED', 0); // Page is rendered with the normal skin.
+define('SIMPLE', 1); // Page is rendered with a light skin (no leftnav).
+define('NO_SKIN', 2); // Page content is passed as-is (use for csv, xml, ...).
+
+// Hook options bitmasks. Authentication options are mutually exclusive, but
+// others (NO_HTTPS at the moment) are not.
+//
+// With PlStdHook, NO_AUTH indicates that no session will be started, and that
+// the actual handler is responsible for doing authentication; DO_AUTH forces
+// the engine to try to authenticate the user, including redirecting to the
+// login page. Note that DO_AUTH is ignored if AUTH_PUBLIC is requested.
+//
+// Options NO_AUTH and DO_AUTH are ignored with PlTokenHook.