The next public update of IE8 (for Windows Vista- and Windows XP-based operating systems as well as the Windows 7 Beta) includes improvements to Compatibility View that help end-users when they visit web sites that are not yet ready for IE8’s new, more standards-compliant defaults. This blog post describes the technical background and how this new functionality works.
A Brief History of Standards, Interoperability, Compatibility, and IE8
http://blogs.msdn.com/ie/archive/2008/12/03/compatibility-view-improvements-to-come-in-ie8.aspx
