Is it too late today, or some magic happend.
I write in source this:
and save. The result is:
Hmm... what's this? I have a look at source again, and I see:
What happend? Afternoon everything was OK and I didn't change nothing in
source code of SMW and Semantic Forms and I didn't install new
extension. Versions: MW 1.14.0, Semantic forms 1.5.3, SMW 1.4.2