Using Unescaped CAML in a Data View Web Part (DWVP) in SharePoint Designer 2010

I’ve created more customized Data View Web Parts (DVWPs) than I could possibly count, but I still learn new stuff all the time. Tonight I was trying to get a DVWP to switch into DataSourceMode=”CrossList” and I accidentally noticed a nice little trick. If you right-click on the DVWP and select Properties, a Tag Properties…