Fixes microsoft#187644 (microsoft#188189)

Author: hediet

src/vs/workbench/browser/parts/editor/textDiffEditor.ts

@@ -255,7 +255,7 @@ export class TextDiffEditor extends AbstractTextEditor<IDiffEditorViewState> imp
 			return true;
 		}
 
-		return e.affectsConfiguration(resource, 'diffEditor');
+		return e.affectsConfiguration(resource, 'diffEditor') || e.affectsConfiguration(resource, 'accessibility.verbosity.diffEditor');
 	}
 
 	protected override computeConfiguration(configuration: IEditorConfiguration): ICodeEditorOptions {
@@ -276,6 +276,9 @@ export class TextDiffEditor extends AbstractTextEditor<IDiffEditorViewState> imp
 			Object.assign(editorConfiguration, diffEditorConfiguration);
 		}
 
+		const verbose = configuration.accessibility?.verbosity?.diffEditor ?? false;
+		(editorConfiguration as IDiffEditorOptions).accessibilityVerbose = verbose;
+
 		return editorConfiguration;
 	}
 

src/vs/workbench/browser/parts/editor/textEditor.ts

@@ -33,6 +33,11 @@ import { IMarkdownString } from 'vs/base/common/htmlContent';
 export interface IEditorConfiguration {
 	editor: object;
 	diffEditor: object;
+	accessibility?: {
+		verbosity?: {
+			diffEditor?: boolean;
+		};
+	};
 }
 
 /**