DocumentID: ECMA-376/Part5/8.2 Title: ECMA-376, Part5: 8.2 Markup Compatibility Namespace 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
The following is the Markup Compatibility namespace:
http://schemas.openxmlformats.org/markup-compatibility/2006
The namespace includes XML elements and attributes that markup producers can use to express to markup consumers how they shall respond to markup in non-understood namespaces. The elements and attributes described in this specification are contained in the Markup Compatibility namespace.