Support certificates in base64 expansion operator. Bug 1762

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

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 6f6ee4557282ce027ac6cadbdb2bfe88001e0902..14486cf5934ab829608eb303f34b77573d860a50 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -10038,8 +10038,13 @@ string.
 .cindex "expansion" "base64 encoding"
 .cindex "base64 encoding" "in string expansion"
 .cindex "&%base64%& expansion item"
+.cindex certificate "base64 of DER"
 This operator converts a string into one that is base64 encoded.
 
+If the string is a single variable of type certificate,
+returns the base64 encoding of the DER form of the certificate.
+
+
 .vitem &*${base64d:*&<&'string'&>&*}*&
 .cindex "expansion" "base64 decoding"
 .cindex "base64 decoding" "in string expansion"