the less than symbol '<' is translated into HTML code & lt;

It's a java or as3 bug -if i remember true-, it shows when you try to rewrite the < or & or > to it shows the 'amp' bug. And It can't be fixed.

tig may use other script to rid of that bug

If that was possible he would have done it already.

They worked fine on the Flash forums as long as you didn't edit so yeah, it is possible.