enabling using index in ORDER BY ... desc

What's the status of patch which enables using indices in 
ORDER BY .../ desc ? I use it with 6.5.2 without any problem.
Will it come to upcoming 6.5.3 ? 
It seems that it's already applied to current.

Regards,
    Oleg
_____________________________________________________________
Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
Sternberg Astronomical Institute, Moscow University (Russia)
Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/
phone: +007(095)939-16-83, +007(095)939-23-83