2.1.328 Section 15.27, Frame Formatting Properties
Writing mode ([ODF1.1] section 15.27.32) is partially supported, as specified in section 2.1.329. All other subsections (15.27.1 to 15.27.31) of [ODF1.1] section 15.27 are unsupported in WordPad. For additional information, see [ODF1.1] section 15.27.32.