Font pixel size selection

[Yuan MEI]

Hi,

    I have just updated to the cvs HEAD, (last was one month ago).
I set font in ~/.Xdefaults like:
Emacs.Font: Bitstream Vera Sans Mono:pixelsize=14
Using one month ago version it did show 14 pixels font well

However now, with the same setting, the font changes to
-bitstream-Bitstream Vera Sans
Mono-normal-normal-normal-*-15-*-*-*-m-0-iso8859-1

And if I change it to
Emacs.Font: Bitstream Vera Sans Mono-14
The result is even more weird.
-bitstream-Bitstream Vera Sans
Mono-normal-normal-normal-*-17-*-*-*-m-0-iso8859-1 (#x1E)

I can set
Emacs.Font: -*-Bitstream Vera Sans Mono-*-*-*-*-14-*-*-*-*-*-*-*
to force emacs to use 14 pixels font, but I wonder what caused this
behavior and is it desired?

Maybe this problem is also related to my upgration to freetype package
2.3.6 or libXft 2.1.12? on gentoo linux.

Thank you
-- 
Yuan MEI