know meta tag issue with sharepoint 2010

In the master page change

<meta http-equiv=”X-UA-Compatible” content=”IE=8″/> to

<meta http-equiv=”X-UA-Compatible” content=”IE=EDGE”/>

Special Thanks to Tiago Duarte: http://support.bind.pt/entries/20485257-Known-issues-with-Internet-Explorer-under-SharePoint-2010