Events: add docs note

diff --git a/doc/doc-txt/experimental-spec.txt b/doc/doc-txt/experimental-spec.txt
index 4f9504c0533de934b99a488a8b25957f56ece2a7..18a5fd917d050b871e605bfa25b2af8eb2129254 100644 (file)
--- a/doc/doc-txt/experimental-spec.txt
+++ b/doc/doc-txt/experimental-spec.txt
@@ -861,6 +861,8 @@ a) variables set in events raised from transports will not
    be visible outside that transport call.
 b) acl_m variables in a server context are lost on a new connection,
    and after helo/ehlo/mail/starttls/rset commands
+Using an ACL expansion with the logwrite modifier can be a
+useful way of writing to the main log.