signer. This means that attributes must be present in at least one existing
signer using the same message digest or this operation will fail.
-The B<-stream> and B<-indef> options enable experimental streaming I/O support.
+The B<-stream> and B<-indef> options enable streaming I/O support.
As a result the encoding is BER using indefinite length constructed encoding
and no longer DER. Streaming is supported for the B<-encrypt> operation and the
B<-sign> operation if the content is not detached.