Our PublicInbox::V2Writable class may have two objects of this
type in memory at-a-time for deduplication.
-* PublicInbox::SearchMsg - small message skeleton
+* PublicInbox::Smsg - small message skeleton
Used by: PublicInbox::{NNTP,WWW,SearchIdx}
Common abbreviation: $smsg
JWZ's algorithm: <https://www.jwz.org/doc/threading.html>.
This holds a $smsg and is only used for message threading.
This wrapper class may go away in the future and handled
- directly by PublicInbox::SearchMsg to save memory.
+ directly by PublicInbox::Smsg to save memory.
As with $smsg objects, there may be hundreds or thousands
of these objects in memory at-a-time.