src/vs/workbench/services/untitled/common/untitledTextEditorModel.ts/UntitledTextEditorModel/installModelListeners
class UntitledTextEditorModel:	protected override installModelListeners(model: ITextModel): void {
		this._register(model.onDidChangeContent(e => this.onModelContentChanged(model, e)));
		this._register(model.onDidChangeLanguage(() => this.onConfigurationChange(true))); // language change can have impact on config

		super.installModelListeners(model);
	}