SCR 10126 again

Hello,

I just want to say that this issue is still reproducable for me in build
209. (I also tried to reproduce it in 208, but could not edit templates at
all -- the dialog was closing prematurely on any keypress.)

Here you can find a movie demonstrating the issue. It was captured using
build 207, but the behaviour is the same in 209.
http://adde.math.msu.su/max/Temp/bug.avi

Regards,
Maxim.