Add Mediawiki

lib/linguist/language.rb

@@ -25,7 +25,7 @@ module Linguist
     #
     # Returns an array
     def self.detectable_markup
-      ["CSS", "Less", "Sass", "Markdown", "Textile", "reStructuredText", "AsciiDoc", "RDoc", "Org", "Creole"]
+      ["CSS", "Less", "Sass", "Markdown", "Textile", "reStructuredText", "AsciiDoc", "RDoc", "Org", "Creole", "Mediawiki"]
     end
 
     # Internal: Create a new Language object

lib/linguist/languages.yml

@@ -851,6 +851,12 @@ Max:
   - .maxhelp
   - .maxpat
 
+Mediawiki:
+  type: markup
+  lexer: Text only
+  wrap: true
+  primary_extension: .mediawiki
+
 MiniD: # Legacy
   searchable: false
   primary_extension: .minid # Dummy extension