DocumentID: ECMA-376/Part1/10 Title: ECMA-376, Part1: 10. Markup Compatibility and Extensibility Extracted-From: ECMA-376 Office Open XML File Formats, 1st Edition / December 2006 Warning: Coverted to HTML format by a script known to have bugs
Office Open XML documents are designed to allow for innovation by extending their capabilities via a scheme defined by Part 5: "Markup Compatibility and Extensibility". This subclause contains information regarding Office Open XML's use of the Markup Compatibility constructs.