Variable setting in -be

[exim.git] / doc / doc-docbook / spec.xfpt

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 3b90820317e5260a831d3a78e8d1a95dd7dcbc08..deee95a9becc8e1535ab79fa589c12e021ca95de 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -2913,6 +2913,12 @@ defined and macros will be expanded.
 Because macros in the config file are often used for secrets, those are only
 available to admin users.
 
+.new
+The word &"set"& at the start of a line, followed by a single space,
+is recognised specially as defining a value for a variable.
+The syntax is otherwise the same as the ACL modifier &"set ="&.
+.wen
+
 .vitem &%-bem%&&~<&'filename'&>
 .oindex "&%-bem%&"
 .cindex "testing" "string expansion"