[PATCH 05/14] searchmsg: document why we store To: and Cc: for NNTP

["Eric Wong (Contractor, The Linux Foundation)" <e@80x24.org>]

Otherwise I would forget and be tempted to remove them.
---
 lib/PublicInbox/SearchMsg.pm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/PublicInbox/SearchMsg.pm b/lib/PublicInbox/SearchMsg.pm
index e314fed..e55d401 100644
--- a/lib/PublicInbox/SearchMsg.pm
+++ b/lib/PublicInbox/SearchMsg.pm
@@ -41,8 +41,12 @@ sub load_from_data ($$) {
 	$self->{subject} = $subj;
 	$self->{from} = $from;
 	$self->{references} = $refs;
+
+	# To: and Cc: are stored to optimize HDR/XHDR in NNTP since
+	# some NNTP clients will use that for message displays.
 	$self->{to} = $to;
 	$self->{cc} = $cc;
+
 	$self->{blob} = $blob;
 	$self->{mid} = $mid0;
 }
-- 
EW