- `base' is the base for the search as described in RFC 1779.
- `scope' is one of the three symbols `sub', `base' or `one'.
- `binddn' is the distinguished name of the user to bind as (in RFC 1779 syntax).
- `passwd' is the password to use for simple authentication.
- `deref' is one of the symbols `never', `always', `search' or `find'.
- `timelimit' is the timeout limit for the connection in seconds.
- `sizelimit' is the maximum number of matches to return.
- `withdn' if non-nil each entry in the result will be prepended with
+`base' is the base for the search as described in RFC 1779.
+`scope' is one of the three symbols `sub', `base' or `one'.
+`binddn' is the distinguished name of the user to bind as (in RFC 1779 syntax).
+`passwd' is the password to use for simple authentication.
+`deref' is one of the symbols `never', `always', `search' or `find'.
+`timelimit' is the timeout limit for the connection in seconds.
+`sizelimit' is the maximum number of matches to return.
+`withdn' if non-nil each entry in the result will be prepended with