searchthread: reduce indirection by removing container

[public-inbox.git] / Documentation / technical / data_structures.txt

diff --git a/Documentation/technical/data_structures.txt b/Documentation/technical/data_structures.txt
index 08dfc7ac0dbfb321eb1d8712b0ca9b792d1e75da..46d5acfff7122a83f4c9ef55be77f7bda5e586c1 100644 (file)
--- a/Documentation/technical/data_structures.txt
+++ b/Documentation/technical/data_structures.txt
@@ -61,15 +61,13 @@ Per-message classes
   There may be hundreds or thousands of these objects in memory
   at-a-time, so fields are pruned if unneeded.
 
-* PublicInbox::SearchThread::Msg - container for message threading
+* PublicInbox::SearchThread::Msg - subclass of Smsg
   Common abbreviation: $cont or $node
   Used by: PublicInbox::WWW
 
-  The container we use for a non-recursive[1] variant of
+  The structure we use for a non-recursive[1] variant of
   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::Smsg to save memory.
+  Nowadays, this is a re-blessed $smsg with additional fields.
 
   As with $smsg objects, there may be hundreds or thousands
   of these objects in memory at-a-time.