c5345498_Tutorials___BlueHost_Tutorials_l_Web_Design_Tutorials_Listing_Summary
[Title] Validation Error - no attribute "xmlns:v" [Program Specific] EW all versions [Summary] 
If you are copying and pasting content from another Microsoft program into Expression Web and then try and validate your page, you are likely to get an error message.
Expression Web Tutorials - Css Tutorials - BlueHost Tutorials
Summary