==================
use key exchange based on GSSAPI = yes
==================

GSSAPIKeyExchange yes

---

(client_config
  (gssapi_key_exchange
    (gssapi_key_exchange_value)))

==================
use key exchange based on GSSAPI = Yes
==================

GSSAPIKeyExchange Yes

---

(client_config
  (gssapi_key_exchange
    (gssapi_key_exchange_value)))

==================
use key exchange based on GSSAPI = true
==================

GSSAPIKeyExchange true

---

(client_config
  (gssapi_key_exchange
    (gssapi_key_exchange_value)))

==================
use key exchange based on GSSAPI = True
==================

GSSAPIKeyExchange True

---

(client_config
  (gssapi_key_exchange
    (gssapi_key_exchange_value)))

==================
use key exchange based on GSSAPI = no
==================

GSSAPIKeyExchange no

---

(client_config
  (gssapi_key_exchange
    (gssapi_key_exchange_value)))

==================
use key exchange based on GSSAPI = No
==================

GSSAPIKeyExchange No

---

(client_config
  (gssapi_key_exchange
    (gssapi_key_exchange_value)))

==================
use key exchange based on GSSAPI = false
==================

GSSAPIKeyExchange false

---

(client_config
  (gssapi_key_exchange
    (gssapi_key_exchange_value)))

==================
use key exchange based on GSSAPI = False
==================

GSSAPIKeyExchange False

---

(client_config
  (gssapi_key_exchange
    (gssapi_key_exchange_value)))

==================
use irregular casing
==================

GSSAPIKeyEXCHange yes

---

(client_config
  (gssapi_key_exchange
    (gssapi_key_exchange_value)))

==================
can use equals sign
==================

GSSAPIKeyEXCHange=yes

---

(client_config
  (gssapi_key_exchange
    (gssapi_key_exchange_value)))

==================
can use equals sign with whitespace
==================

GSSAPIKeyEXCHange = yes

---

(client_config
  (gssapi_key_exchange
    (gssapi_key_exchange_value)))

==================
can be specified after host
==================

Host example.com
  GSSAPIKeyExchange no

---

(client_config
  (host
    (host_value))
  (gssapi_key_exchange
    (gssapi_key_exchange_value)))

==================
detect invalid values
==================

GSSAPIKeyEXCHange ja

---

(client_config
  (ERROR
    (UNEXPECTED 'j')))
