An example that particularly confused me:

lynx -dump http://docs.fedoraproject.org/en-US/Fedora/15/html/Deployment_Guide/chap-SSSD_User_Guide-Configuring_Domains.html | egrep -C1 -i '(true|false)'
users and groups.
The default value for this parameter is FALSE. Set this value to
TRUE to enable enumeration of users and groups of a domain.
- timeout (integer)
--
SSSD domain database cache.
The default value for this parameter is FALSE. You should set this
value to TRUE for domains other than local if you want to enable
offline authentication.
--
fully-qualified domain names.
If set to TRUE, all requests to this domain must use
fully-qualified domain names. It also means that the output from
--
contains a user named ipauser01, and the use_fully_qualified_names
attribute is set to TRUE:

getent passwd ipauser01

--
In the following examples, using the same IPA domain and user, the
use_fully_qualified_names attribute is set to FALSE:

getent passwd ipauser01

--

Changing the use_fully_qualified_names value to FALSE
If use_fully_qualified_names is set to FALSE, you can continue to
use the fully-qualified name in your requests, but only the
--
[domain/LDAP]
enumerate = false
cache_credentials = TRUE

--
specified:
Defaults to five when enumerate = False
Defaults to 30 when enumerate = True. This option is forced to a
minimum of 30 in this case.
--
description = LDAP domain with AD server
enumerate = false
min_id = 1000
--
; debug_level = 9
enumerate = false