doc: describe public-inbox dedupe

Duplicate Message-IDs are uncommon enough to drop.

diff --git a/Documentation/ssoma_repository.txt b/Documentation/ssoma_repository.txt
index 6c6022fd13f5d225f0243283b0cd7bfa01feacaf..56b4674d1ad16dd910a8b51d56cf68c5638772b7 100644 (file)
--- a/Documentation/ssoma_repository.txt
+++ b/Documentation/ssoma_repository.txt
@@ -46,6 +46,10 @@ two).
   $PFX/287d8b67bf8ebdb30e34cb4ca9995dbd465f37ab # second copy
   $PFX/287d8b67bf8ebdb30e34cb4ca9995dbd465f37ac # third copy
 
+Note: public-inbox currently uses "ssoma-mda -1" to disable this
+conflict resolution feature.  This simplifies the implementation
+and use of public-inbox.
+
 # LOCKING
 
 flock(2) locking exclusively locks the empty $GIT_DIR/ssoma.lock file