X-Git-Url: https://code.citadel.org/?p=citadel.git;a=blobdiff_plain;f=citadel%2Ftechdoc%2Fhack.txt;h=6ef45adf473bfc606b5bd144d7ba57b817473cc1;hp=769e563bdbc47359d11e424db845bb6c313b66f9;hb=a45b5c34772f51c4d2d6668a56db4d5f30944ad4;hpb=f5778e134f41ef5250cd266a73dd9af334be0941

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