From 187bdc950dc8062672e2f7ed83014f9bc6a9e9e4 Mon Sep 17 00:00:00 2001
From: Pierangelo Masarati <ando@openldap.org>
Date: Tue, 20 Apr 2010 00:03:06 +0000
Subject: [PATCH] document ITS#5804 feature

---
 doc/man/man5/slapd.access.5 | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/doc/man/man5/slapd.access.5 b/doc/man/man5/slapd.access.5
index 8d92cb81e4..f0aef0e5b1 100644
--- a/doc/man/man5/slapd.access.5
+++ b/doc/man/man5/slapd.access.5
@@ -257,6 +257,24 @@ resulting in base, onelevel, subtree or children match, respectively.
 The dn, filter, and attrs statements are additive; they can be used in sequence 
 to select entities the access rule applies to based on naming context,
 value and attribute type simultaneously.
+Submatches resulting from
+.B regex
+matching can be dereferenced in the
+.B <who>
+field using the syntax
+.IR ${v<n>} ,
+where
+.I <n>
+is the submatch number.
+The default syntax,
+.IR $<n> ,
+is actually an alias for
+.IR ${d<n>} ,
+that corresponds to dereferencing submatches from the
+.B dnpattern
+portion of the
+.B <what>
+field.
 .SH THE <WHO> FIELD
 The field
 .B <who>
-- 
2.39.5