Docs: add note on string lists

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 3c26b714514d354e4d09012e8b10649e2f4d898a..4f2052c87eda95e491940157c4f60a0bc064b5a1 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -7682,6 +7682,12 @@ host, email address, or local part, respectively. In the sections below, the
 different types of pattern for each case are described, but first we cover some
 general facilities that apply to all four kinds of list.
 
+.new
+Note that other parts of Exim use a &'string list'& which does not
+support all the complexity availible in
+domain, host, address and local part lists.
+.wen
+
 
 
 .section "Expansion of lists" "SECID75"