Update to 8.0

vendor/assets/javascripts/highlight_js/languages/dos.js

@@ -3,35 +3,34 @@ Language: DOS .bat
 Author: Alexander Makarov (http://rmcreative.ru/)
 */
 
-hljs.LANGUAGES['dos'] = function(hljs) {
+function(hljs) {
   return {
+    aliases: ['bat', 'cmd'],
     case_insensitive: true,
-    defaultMode: {
-      keywords: {
-        flow: 'if else goto for in do call exit not exist errorlevel defined equ neq lss leq gtr geq',
-        keyword: 'shift cd dir echo setlocal endlocal set pause copy',
-        stream: 'prn nul lpt3 lpt2 lpt1 con com4 com3 com2 com1 aux',
-        winutils: 'ping net ipconfig taskkill xcopy ren del'
+    keywords: {
+      flow: 'if else goto for in do call exit not exist errorlevel defined equ neq lss leq gtr geq',
+      keyword: 'shift cd dir echo setlocal endlocal set pause copy',
+      stream: 'prn nul lpt3 lpt2 lpt1 con com4 com3 com2 com1 aux',
+      winutils: 'ping net ipconfig taskkill xcopy ren del'
+    },
+    contains: [
+      {
+        className: 'envvar', begin: '%%[^ ]'
       },
-      contains: [
-        {
-          className: 'envvar', begin: '%%[^ ]'
-        },
-        {
-          className: 'envvar', begin: '%[^ ]+?%'
-        },
-        {
-          className: 'envvar', begin: '![^ ]+?!'
-        },
-        {
-          className: 'number', begin: '\\b\\d+',
-          relevance: 0
-        },
-        {
-          className: 'comment',
-          begin: '@?rem', end: '$'
-        }
-      ]
-    }
+      {
+        className: 'envvar', begin: '%[^ ]+?%'
+      },
+      {
+        className: 'envvar', begin: '![^ ]+?!'
+      },
+      {
+        className: 'number', begin: '\\b\\d+',
+        relevance: 0
+      },
+      {
+        className: 'comment',
+        begin: '@?rem', end: '$'
+      }
+    ]
   };
-}(hljs);
+}