X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=citadel%2Ftechdoc%2Fhack.txt;h=6ef45adf473bfc606b5bd144d7ba57b817473cc1;hb=434b642c254674e9b09d85f4e5ae7ae7735c35c7;hp=769e563bdbc47359d11e424db845bb6c313b66f9;hpb=7fca9092b7674acfacbddf96c86fd8f4972be3ac;p=citadel.git

diff --git a/citadel/techdoc/hack.txt b/citadel/techdoc/hack.txt
index 769e563bd..6ef45adf4 100644
--- a/citadel/techdoc/hack.txt
+++ b/citadel/techdoc/hack.txt
@@ -283,6 +283,8 @@ V	enVelope-to	The recipient specified in incoming SMTP messages.
 W	Wefewences	Previous message ID's for conversation threading.  When
 			converting from RFC822 we use References: if present, or
 			In-Reply-To: otherwise.
+			(Who in extnotify spool messages which don't need to know
+			other message ids)
 Y	carbon copY	Optional, and only in Mail messages.
 0	Error		This field is typically never found in a message on
 			disk or in transit.  Message scanning modules are