-keep that function as efficient as possible. Handling message_body_end is
-somewhat more tedious. Pile it all into a circular buffer and sort out at the
-end.
+keep that function as efficient as possible. (Later: this function is now
+global because it is also used by the -bem testing option.) Handling
+message_body_end is somewhat more tedious. Pile it all into a circular buffer
+and sort out at the end.