Add 'Unknown (!UNKNOWN)' as author when author is missing.

lib/ansible/plugins/callback/default.py

@@ -8,6 +8,7 @@ __metaclass__ = type
 DOCUMENTATION = '''
     name: default
     type: stdout
+    author: Unknown (!UNKNOWN)
     short_description: default Ansible screen output
     version_added: historical
     description:

lib/ansible/plugins/callback/junit.py

@@ -8,6 +8,7 @@ __metaclass__ = type
 DOCUMENTATION = '''
     name: junit
     type: aggregate
+    author: Unknown (!UNKNOWN)
     short_description: write playbook output to a JUnit file.
     version_added: historical
     description:

lib/ansible/plugins/callback/minimal.py

@@ -9,6 +9,7 @@ __metaclass__ = type
 DOCUMENTATION = '''
     name: minimal
     type: stdout
+    author: Unknown (!UNKNOWN)
     short_description: minimal Ansible screen output
     version_added: historical
     description:

lib/ansible/plugins/callback/oneline.py

@@ -9,6 +9,7 @@ __metaclass__ = type
 DOCUMENTATION = '''
     name: oneline
     type: stdout
+    author: Unknown (!UNKNOWN)
     short_description: oneline Ansible screen output
     version_added: historical
     description:

lib/ansible/plugins/callback/tree.py

@@ -8,6 +8,7 @@ __metaclass__ = type
 DOCUMENTATION = '''
     name: tree
     type: notification
+    author: Unknown (!UNKNOWN)
     requirements:
       - invoked in the command line
     short_description: Save host events to files

lib/ansible/plugins/inventory/advanced_host_list.py

@@ -6,6 +6,7 @@ __metaclass__ = type
 
 DOCUMENTATION = '''
     name: advanced_host_list
+    author: Unknown (!UNKNOWN)
     version_added: "2.4"
     short_description: Parses a 'host list' with ranges
     description:

lib/ansible/plugins/inventory/constructed.py

@@ -6,6 +6,7 @@ __metaclass__ = type
 
 DOCUMENTATION = '''
     name: constructed
+    author: Unknown (!UNKNOWN)
     version_added: "2.4"
     short_description: Uses Jinja2 to construct vars and groups based on existing inventory.
     description:

lib/ansible/plugins/inventory/generator.py

@@ -6,6 +6,7 @@ __metaclass__ = type
 
 DOCUMENTATION = '''
     name: generator
+    author: Unknown (!UNKNOWN)
     version_added: "2.6"
     short_description: Uses Jinja2 to construct hosts and groups from patterns
     description:

lib/ansible/plugins/inventory/host_list.py

@@ -6,6 +6,7 @@ __metaclass__ = type
 
 DOCUMENTATION = r'''
     name: host_list
+    author: Unknown (!UNKNOWN)
     version_added: "2.4"
     short_description: Parses a 'host list' string
     description:

lib/ansible/plugins/inventory/ini.py

@@ -5,6 +5,7 @@ __metaclass__ = type
 
 DOCUMENTATION = '''
     name: ini
+    author: Unknown (!UNKNOWN)
     version_added: "2.4"
     short_description: Uses an Ansible INI file as inventory source.
     description:

lib/ansible/plugins/inventory/script.py

@@ -7,6 +7,7 @@ __metaclass__ = type
 
 DOCUMENTATION = '''
     name: script
+    author: Unknown (!UNKNOWN)
     version_added: "2.4"
     short_description: Executes an inventory script that returns JSON
     options:

lib/ansible/plugins/inventory/toml.py

@@ -6,6 +6,7 @@ __metaclass__ = type
 
 DOCUMENTATION = r'''
     name: toml
+    author: Unknown (!UNKNOWN)
     version_added: "2.8"
     short_description: Uses a specific TOML file as an inventory source.
     description:

lib/ansible/plugins/inventory/yaml.py

@@ -6,6 +6,7 @@ __metaclass__ = type
 
 DOCUMENTATION = '''
     name: yaml
+    author: Unknown (!UNKNOWN)
     version_added: "2.4"
     short_description: Uses a specific YAML file as an inventory source.
     description:

lib/ansible/plugins/lookup/dict.py

@@ -6,6 +6,7 @@ __metaclass__ = type
 
 DOCUMENTATION = """
     name: dict
+    author: Unknown (!UNKNOWN)
     version_added: "1.5"
     short_description: returns key/value pair items from dictionaries
     description:

lib/ansible/plugins/lookup/nested.py

@@ -6,6 +6,7 @@ __metaclass__ = type
 
 DOCUMENTATION = """
     name: nested
+    author: Unknown (!UNKNOWN)
     version_added: "1.1"
     short_description: composes a list with nested elements of other lists
     description:

lib/ansible/plugins/shell/cmd.py

@@ -5,6 +5,7 @@ __metaclass__ = type
 
 DOCUMENTATION = '''
 name: cmd
+author: Unknown (!UNKNOWN)
 version_added: '2.8'
 short_description: Windows Command Prompt
 description:

lib/ansible/plugins/shell/powershell.py

@@ -6,6 +6,7 @@ __metaclass__ = type
 
 DOCUMENTATION = '''
 name: powershell
+author: Unknown (!UNKNOWN)
 version_added: historical
 short_description: Windows PowerShell
 description:

lib/ansible/plugins/shell/sh.py

@@ -6,6 +6,7 @@ __metaclass__ = type
 
 DOCUMENTATION = '''
 name: sh
+author: Unknown (!UNKNOWN)
 short_description: "POSIX shell (/bin/sh)"
 version_added: historical
 description:

lib/ansible/plugins/vars/host_group_vars.py

@@ -20,6 +20,7 @@ __metaclass__ = type
 
 DOCUMENTATION = '''
     name: host_group_vars
+    author: Unknown (!UNKNOWN)
     version_added: "2.4"
     short_description: In charge of loading group_vars and host_vars
     requirements: