移除格式：remove-format

package.json

@@ -43,6 +43,7 @@
     "@ckeditor/ckeditor5-media-embed": "^34.0.0",
     "@ckeditor/ckeditor5-paragraph": "^34.0.0",
     "@ckeditor/ckeditor5-paste-from-office": "^34.0.0",
+    "@ckeditor/ckeditor5-remove-format": "^34.1.0",
     "@ckeditor/ckeditor5-table": "^34.0.0",
     "@ckeditor/ckeditor5-typing": "^34.0.0"
   },

src/ckeditor.js

@@ -37,6 +37,7 @@ import FontSize from '@ckeditor/ckeditor5-font/src/fontsize';
 import FontBackgroundColor from '@ckeditor/ckeditor5-font/src/fontbackgroundcolor';
 import Underline from '@ckeditor/ckeditor5-basic-styles/src/underline';
 import Alignment from '@ckeditor/ckeditor5-alignment/src/alignment';
+import RemoveFormat from '@ckeditor/ckeditor5-remove-format/src/removeformat';
 
 
 class ClassicEditor extends ClassicEditorBase {}
@@ -83,7 +84,8 @@ const plugins  = [
 	FontSize,
 	FontBackgroundColor,
 	Underline,
-	Alignment
+	Alignment,
+	RemoveFormat
 ];
 ClassicEditor.builtinPlugins = plugins;
 BalloonEditor.builtinPlugins = plugins;
@@ -107,6 +109,7 @@ const config = {
 			'|',
 			'insertTable',
 			'mediaEmbed',
+			'removeFormat',
 			'undo',
 			'redo'
 		]
@@ -138,6 +141,7 @@ const configSimple = {
 			'bold','italic','underline',
 			 'fontColor','fontBackgroundColor',
 			 'alignment',
+			 'removeFormat',
 			'undo',
 			'redo'
 		]