-# cram_md5:
-# driver = cram_md5
-# public_name = CRAM-MD5
-# client_name = ${extract{1}{:}{${lookup{$host}nwildlsearch{CONFDIR/passwd.client}{$value}fail}}}
-# client_secret = ${extract{2}{:}{${lookup{$host}nwildlsearch{CONFDIR/passwd.client}{$value}fail}}}
-
-# # this returns the matching line from passwd.client and doubles all ^
-# PASSWDLINE=${sg{\
-# ${lookup{$host}nwildlsearch{CONFDIR/passwd.client}{$value}fail}\
-# }\
-# {\\N[\\^]\\N}\
-# {^^}\
-# }
-
-# # this returns the matching line from passwd.client and doubles all ^
-# PASSWDLINE=${sg{\
-# ${lookup{$host}nwildlsearch{CONFDIR/passwd.client}{$value}fail}\
-# }\
-# {\\N[\\^]\\N}\
-# {^^}\
-# }
-
-# plain:
-# driver = plaintext
-# public_name = PLAIN
-# .ifndef AUTH_CLIENT_ALLOW_NOTLS_PASSWORDS
-# client_send = "<; ${if !eq{$tls_out_cipher}{}\
-# {^${extract{1}{:}{PASSWDLINE}}\
-# ^${sg{PASSWDLINE}{\\N([^:]+:)(.*)\\N}{\\$2}}\
-# }fail}"
-# .else
-# client_send = "<; ^${extract{1}{:}{PASSWDLINE}}\
-# ^${sg{PASSWDLINE}{\\N([^:]+:)(.*)\\N}{\\$2}}"
-# .endif
-
-# login:
-# driver = plaintext
-# public_name = LOGIN
-# .ifndef AUTH_CLIENT_ALLOW_NOTLS_PASSWORDS
-# # Return empty string if not non-TLS AND looking up $host in passwd-file
-# # yields a non-empty string; fail otherwise.
-# client_send = "<; ${if and{\
-# {!eq{$tls_out_cipher}{}}\
-# {!eq{PASSWDLINE}{}}\
-# }\
-# {}fail}\
-# ; ${extract{1}{::}{PASSWDLINE}}\
-# ; ${sg{PASSWDLINE}{\\N([^:]+:)(.*)\\N}{\\$2}}"
-# .else
-# # Return empty string if looking up $host in passwd-file yields a
-# # non-empty string; fail otherwise.
-# client_send = "<; ${if !eq{PASSWDLINE}{}\
-# {}fail}\
-# ; ${extract{1}{::}{PASSWDLINE}}\
-# ; ${sg{PASSWDLINE}{\\N([^:]+:)(.*)\\N}{\\$2}}"
-# .endif
-