ASP.Net 4.0 new page attributes found in web.config

ASP.Net 4.0 new page attributes found in web.confighttp://blogs.oosterkamp.nl/blogs/erik/archive/2010/02/17/asp-net-4-0-new-page-attributes-found-in-web-config.aspxToday I converted an ASP.NET 2.0 webapplication to 4.0 using Visual Studio 2010 RC.  The convert process ran quite smoothly. After the conversion I discovered two new attributes in the pages tag of the converted web.config file, curious? 1. controlRenderingCompatibilityVersionenCommunityServer 2007.1 (Build: 20917.1142)