Directory servers may be configured to return a default set of
attributes for each record matching a query if the query specifies none.
eudc-default-return-attributes controls the return
attributes you want to see, if different from the server defaults.
A list of the default attributes to extract from directory entries. If set to the symbol
allthen all available attributes are returned. A value of
nil, the default, means to return the default attributes as configured in the server.
The server may return several matching records to a query. Some of the records may however not contain all the attributes you requested. You can discard those records.