Use semantic markup (modules h-j) (#6677)

* Use semantic markup.

* Use 'ignore:' until a new version of antsibull-docs is released.

* 'ignore:' is no longer needed.

* E() now works better.

plugins/modules/icinga2_host.py

@@ -31,13 +31,13 @@ options:
       - HTTP, HTTPS, or FTP URL in the form (http|https|ftp)://[user[:pass]]@host.domain[:port]/path
   use_proxy:
     description:
-      - If C(false), it will not use a proxy, even if one is defined in
+      - If V(false), it will not use a proxy, even if one is defined in
         an environment variable on the target hosts.
     type: bool
     default: true
   validate_certs:
     description:
-      - If C(false), SSL certificates will not be validated. This should only be used
+      - If V(false), SSL certificates will not be validated. This should only be used
         on personally controlled sites using self-signed certificates.
     type: bool
     default: true
@@ -45,12 +45,12 @@ options:
     type: str
     description:
       - The username for use in HTTP basic authentication.
-      - This parameter can be used without C(url_password) for sites that allow empty passwords.
+      - This parameter can be used without O(url_password) for sites that allow empty passwords.
   url_password:
     type: str
     description:
         - The password for use in HTTP basic authentication.
-        - If the C(url_username) parameter is not specified, the C(url_password) parameter will not be used.
+        - If the O(url_username) parameter is not specified, the O(url_password) parameter will not be used.
   force_basic_auth:
     description:
       - httplib2, the library used by the uri module only sends authentication information when a webservice
@@ -64,12 +64,12 @@ options:
     description:
       - PEM formatted certificate chain file to be used for SSL client
         authentication. This file can also include the key as well, and if
-        the key is included, C(client_key) is not required.
+        the key is included, O(client_key) is not required.
   client_key:
     type: path
     description:
       - PEM formatted file that contains your private key to be used for SSL
-        client authentication. If C(client_cert) contains both the certificate
+        client authentication. If O(client_cert) contains both the certificate
         and key, this option is not required.
   state:
     type: str
@@ -101,7 +101,7 @@ options:
     type: str
     description:
       - The name used to display the host.
-      - If not specified, it defaults to the value of the I(name) parameter.
+      - If not specified, it defaults to the value of the O(name) parameter.
   ip:
     type: str
     description: