From: Heiko Schlittermann (HS12-RIPE) <hs@schlittermann.de>
Date: Wed, 13 Mar 2019 20:53:12 +0000 (+0100)
Subject: doc: Clarify the IPv4-mapped IPv6 lookups.
X-Git-Tag: exim-4.93-RC0~259
X-Git-Url: https://vcs.fsf.org/?a=commitdiff_plain;h=a23acfd5c4366f1c4d97e87ac61ee841f39b819a;p=exim.git

doc: Clarify the IPv4-mapped IPv6 lookups.

Credits to Andreas Metzler <eximusers@bebt.de>.
---

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index c21bc0dcc..f0bfd0eb8 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -6744,7 +6744,8 @@ the implicit key is the host's IP address rather than its name (see section
 
 .new
 &*Warning 3*&: Do not use an IPv4-mapped IPv6 address for a key; use the
-IPv4.  Such addresses being searched for are converted to IPv4.
+IPv4, in dotted-quad form. (Exim converts IPv4-mapped IPv6 addresses to this
+notation before executing the lookup.)
 .wen
 .next
 .new