Counts of <meta http-equiv="x-ua-compatible" content> values, from 425K pages as in http://philip.html5.org/data/dotbot-20090424.txt

(See also http://philip.html5.org/data/ua-compatible-headers.txt)

      1 EmulateIE7
      4 IE=6
   1377 ie=7
   1676 IE=7
      2 IE-7
      1 IE=7.0000
     32 IE=7.5
      1 IE=7;FF=2
      1 IE=7;FF=2;FF=3;OtherUA=4
      4 IE=7;FF=3
      1 IE=7;FF=3;
      2 IE=7;FF=3;OtherUA=4
      5 IE8
    145 IE=8
      6 IE=8;FF=3;OtherUA=4
      6 IE=edge
     13 IE=Edge
     45 IE=emulateIE7
   3179 IE=EmulateIE7
      3 IE-EmulateIE7
      2 IE=EmulateIE8
      1 IE=IE5
      3 IE=IE7
      5 IE=IE8
      1 YOUR MOM