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/iptables_state.py

@@ -34,8 +34,8 @@ description:
 notes:
   - The rollback feature is not a module option and depends on task's
     attributes. To enable it, the module must be played asynchronously, i.e.
-    by setting task attributes I(poll) to C(0), and I(async) to a value less
-    or equal to C(ANSIBLE_TIMEOUT). If I(async) is greater, the rollback will
+    by setting task attributes C(poll) to V(0), and C(async) to a value less
+    or equal to C(ANSIBLE_TIMEOUT). If C(async) is greater, the rollback will
     still happen if it shall happen, but you will experience a connection
     timeout instead of more relevant info returned by the module after its
     failure.
@@ -52,7 +52,7 @@ options:
   counters:
     description:
       - Save or restore the values of all packet and byte counters.
-      - When C(true), the module is not idempotent.
+      - When V(true), the module is not idempotent.
     type: bool
     default: false
   ip_version:
@@ -65,14 +65,14 @@ options:
     description:
       - Specify the path to the C(modprobe) program internally used by iptables
         related commands to load kernel modules.
-      - By default, C(/proc/sys/kernel/modprobe) is inspected to determine the
+      - By default, V(/proc/sys/kernel/modprobe) is inspected to determine the
         executable's path.
     type: path
   noflush:
     description:
-      - For I(state=restored), ignored otherwise.
-      - If C(false), restoring iptables rules from a file flushes (deletes)
-        all previous contents of the respective table(s). If C(true), the
+      - For O(state=restored), ignored otherwise.
+      - If V(false), restoring iptables rules from a file flushes (deletes)
+        all previous contents of the respective table(s). If V(true), the
         previous rules are left untouched (but policies are updated anyway,
         for all built-in chains).
     type: bool
@@ -92,10 +92,10 @@ options:
     required: true
   table:
     description:
-      - When I(state=restored), restore only the named table even if the input
+      - When O(state=restored), restore only the named table even if the input
         file contains other tables. Fail if the named table is not declared in
         the file.
-      - When I(state=saved), restrict output to the specified table. If not
+      - When O(state=saved), restrict output to the specified table. If not
         specified, output includes all active tables.
     type: str
     choices: [ filter, nat, mangle, raw, security ]