Does Lightroom 4 support 10-bit color?

Hoping to learn if Lightroom supports 10-bit color.  I know it supports ProPhotoRGB and 16-bit image files.  Thanks.

oliver83 wrote:
Actually, the previous answers were only partially correct w.r.t. to displaying 10-bit colors. In contrast to what was said, LR4 (I use version 4.4) supports 10-bit colors, however only in the develop module. The library module does not seem to support it which could be because 1) it really does not support it or 2) the library previews are created with lower color depth or 3) something I haven't considered
I first read this somewhere and then personally verified it with ATI's ramp.psd test file on an Eizo CG276 (and a V4900 FirePro).
The library previews are jpeg (8-bit). 

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