> word in TeX mode ; it just open a new ERT box after the selected part > of text. This was not the case on previous versions. > What is the problem and its solution ?
I think this was an intentional change made in the newer versions.. the way to insert ERT is to hit Ctrl-L (or the Tex button) which will open the box, and then put your latex code inside the box. It will automatically be red inside the box.. Hope this helps.. nirmal