office:process-content attribute does not appear with other attributes (only in 1.5)

Recast text into Chapter 18 as: office:process-content (deprecated) The office:process-content attribute specifies the processing to be performed on foreign elements. The defined values of the office:process content element are: false: conforming consumers should not interpret a foreign element's content, but editing applications may preserve its content, regardless of the foreign element's ancestor elements. true: conforming consumers may interpret a foreign element's content without regard to its ancestor elements. (Delete the relevant paragraphs in 1.5)