* Replication fixes

[citadel.git] / citadel / techdoc / hack.txt

diff --git a/citadel/techdoc/hack.txt b/citadel/techdoc/hack.txt
index 321a2ea1579a7d04eca80595e15d3865095a25ea..52335ddd94b36b965cc7286aa5cd35b7b54debe1 100644 (file)
--- a/citadel/techdoc/hack.txt
+++ b/citadel/techdoc/hack.txt
@@ -83,6 +83,13 @@ B    Phone number    The dialup number of the system this message
                        defined for helping implement C86Net gateways.
 D      Destination     Contains name of the system this message should
                        be sent to, for mail routing (private mail only).
+E      Extended ID     A persistent alphanumeric Message ID used for
+                       network replication.  When a message arrives that
+                       contains an Extended ID, any existing messages which
+                       contain the same Extended ID and are *older* than this
+                       message should be deleted.  If there exist any messages
+                       with the same Extended ID that are *newer*, then this
+                       message should be dropped.
 G      Gateway domain  This field is provided solely for the implementation
                         of C86Net gateways, and holds the C86Net domain of
                         the system this message originated on.  Unless you're