src/vs/editor/common/viewModel.ts/ViewLineRenderingData/containsRTL
class ViewLineRenderingData:	public static containsRTL(lineContent: string, isBasicASCII: boolean, mightContainRTL: boolean): boolean {
		if (!isBasicASCII && mightContainRTL) {
			return strings.containsRTL(lineContent);
		}
		return false;
	}