Something strange is going on again in moodle 2 latest version (CVS)
When you press Turn editing on button IE8 launches an error and developer tools tell that in loader-min.js object does not support method or property - and highlights
This happens only with button, not with Turn editing on link.
When you try to edit some section summary you don't get the editor and IE8 developer tools stop in that same file and
and there line