Make sure raw doesn't eat key=value arguments.

lib/ansible/parsing/mod_args.py

@@ -181,7 +181,7 @@ class ModuleArgsParser:
             args = thing
         elif isinstance(thing, string_types):
             # form is like: local_action: copy src=a dest=b ... pretty common
-            check_raw = action in ('command', 'shell', 'script')
+            check_raw = action in ('command', 'shell', 'script', 'raw')
             args = parse_kv(thing, check_raw=check_raw)
         elif thing is None:
             # this can happen with modules which take no params, like ping:
@@ -218,7 +218,7 @@ class ModuleArgsParser:
         elif isinstance(thing, string_types):
             # form is like:  copy: src=a dest=b ... common shorthand throughout ansible
             (action, args) = self._split_module_string(thing)
-            check_raw = action in ('command', 'shell', 'script')
+            check_raw = action in ('command', 'shell', 'script', 'raw')
             args = parse_kv(args, check_raw=check_raw)
 
         else:

test/integration/roles/test_win_raw/tasks/main.yml

@@ -83,3 +83,12 @@
       - "not sleep_command.stderr"
       - "not sleep_command|failed"
       - "not sleep_command|changed"
+
+- name: run a raw command with key=value arguments
+  raw: echo wwe=raw
+  register: raw_result
+
+- name: make sure raw is really raw and not removing key=value arguments
+  assert:
+    that:
+      - "raw_result.stdout_lines[0] == 'wwe=raw'"