X-Git-Url: https://git.distorted.org.uk/~mdw/secnet/blobdiff_plain/35744ac3584df4b658ae4d4c17fd71c620e3ba26..a4902c660c01eaada34877d32f374a7d05947b46:/README.make-secnet-sites

diff --git a/README.make-secnet-sites b/README.make-secnet-sites
index 240ce41..ac64fb4 100644
--- a/README.make-secnet-sites
+++ b/README.make-secnet-sites
@@ -131,9 +131,16 @@ INPUT SYNTAX
 		location levels.
 
 	dh P G
-		Assigns a Diffie--Hellman closure to the `dh' key,
-		constructed as `diffie-hellman(P, G)'. Acceptable at all
-		levels; required at site level.
+	dh GROUP-NAME
+		Assigns a Diffie--Hellman closure to the `dh' key.  If
+		MODULUS and GENERATOR are given, the closure is
+		constructed as `diffie-hellman(P, G)'.  If a GROUP-NAME
+		is given, it must be one of `x25519' or `x448', and the
+		like-named pre-existing DH closure is used.  This is a
+		listish property: it can be set more than once and the
+		values are accumulated into a list in the output.
+
+		Acceptable at all levels; required at site level.
 
 	hash HASH-NAME
 		Assigns the HASH-NAME to the `hash' key.  The HASH-NAME