[exim-cvs] Docs: Add note on lsearch for IPv4-mapped IPv6 ad…

Gitweb: https://git.exim.org/exim.git/commitdiff/52af44332434a2a34ae30f3d0ac3b549d512e4cc

Commit:     52af44332434a2a34ae30f3d0ac3b549d512e4cc
Parent:     13d90e907bbf6f9f87b2a8557e641188d9fa9269
Author:     Jeremy Harris <jgh146exb@???>
AuthorDate: Tue Feb 26 18:10:12 2019 +0000
Committer:  Jeremy Harris <jgh146exb@???>
CommitDate: Tue Feb 26 18:10:12 2019 +0000

    Docs: Add note on lsearch for IPv4-mapped IPv6 addresses
---
 doc/doc-docbook/spec.xfpt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index d8cf6e7..834f210 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -6741,6 +6741,11 @@ lookup types support only literal keys.
&*Warning 2*&: In a host list, you must always use &(net-iplsearch)& so that
the implicit key is the host's IP address rather than its name (see section
&<<SECThoslispatsikey>>&).
+
+.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.
+.wen
.next
.new
.cindex lookup json