SRS: fix encode operation for empty sender addresses.

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

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index e2111554c12f78f77f42c0801f1103d5a93c9782..7b92a2f21cd8294e79ef19767b749efd94c187c2 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -42171,6 +42171,9 @@ There is no need to periodically change this key; a timestamp is also
 encoded.
 The second argument should be given as the envelope sender address before this
 encoding operation.
 encoded.
 The second argument should be given as the envelope sender address before this
 encoding operation.

+.new
+If this value is empty the the expansion result will be empty.
+.wen

 The third argument should be the recipient domain of the message when
 it arrived at this system.
 .endlist
 The third argument should be the recipient domain of the message when
 it arrived at this system.
 .endlist