Only reason I signed up was to yell at MS for making AntiXss 4.2 impractical to use, removing all previous binaries and then making up excuses for the shoddy workmanship while telling another forum user to go compile the old library from source if he "desperately wanted".
No, we "desperately want" the code you encourage us to use not blow up in our faces and for you to give a damn.
Here's my workaround :
http://eksith.wordpress.com/2012/02/13/antixss-4-2-breaks-everything/