-// Adds a loader list element, keeping it sorted by date. Returns the new
-// first element (the one with the most recent date).
+// Adds a loader list element, keeping it sorted by date. EXCEPTION: Fedora's rescue
+// kernel, which begins with "vmlinuz-0-rescue," should not be at the top of the list,
+// since that will make it the default if kernel folding is enabled, so float it to
+// the end.
+// Returns the new first element (the one with the most recent date).