.new
.option client_spassword gsasl string&!! unset
If a SCRAM mechanism is being used and this option is set
-it is used in preference to $%client_password%&.
+it is used in preference to &%client_password%&.
The value after expansion should be
a 40 (for SHA-1) or 64 (for SHA-256) character string
with the PBKDF2-prepared password, hex-encoded.