==================
update host keys = yes
==================

UpdateHostKeys yes

---

(client_config
  (update_host_keys
    (update_host_keys_value)))

==================
update host keys = Yes
==================

UpdateHostKeys Yes

---

(client_config
  (update_host_keys
    (update_host_keys_value)))

==================
update host keys = true
==================

UpdateHostKeys true

---

(client_config
  (update_host_keys
    (update_host_keys_value)))

==================
update host keys = True
==================

UpdateHostKeys True

---

(client_config
  (update_host_keys
    (update_host_keys_value)))

==================
update host keys = no
==================

UpdateHostKeys no

---

(client_config
  (update_host_keys
    (update_host_keys_value)))

==================
update host keys = No
==================

UpdateHostKeys No

---

(client_config
  (update_host_keys
    (update_host_keys_value)))

==================
update host keys = false
==================

UpdateHostKeys false

---

(client_config
  (update_host_keys
    (update_host_keys_value)))

==================
update host keys = False
==================

UpdateHostKeys False

---

(client_config
  (update_host_keys
    (update_host_keys_value)))

==================
update host keys = ask
==================

UpdateHostKeys ask

---

(client_config
  (update_host_keys
    (update_host_keys_value)))

==================
update host keys = Ask
==================

UpdateHostKeys Ask

---

(client_config
  (update_host_keys
    (update_host_keys_value)))

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

updaTEhostKeys yes

---

(client_config
  (update_host_keys
    (update_host_keys_value)))

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

updaTEhostKeys=yes

---

(client_config
  (update_host_keys
    (update_host_keys_value)))

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

updaTEhostKeys = yes

---

(client_config
  (update_host_keys
    (update_host_keys_value)))

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

Host example.com
  UpdateHostKeys no

---

(client_config
  (host
    (host_value))
  (update_host_keys
    (update_host_keys_value)))

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

updaTEhostKeys ja

---

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