On Sun, 29 Mar 2009, Boštjan Vesnicer wrote:

> Hi,
>
> I've noticed a weird behavior using \boldsymbol within \startalign
> \stopalign. Please see the attached minimal example.
>
> MKII version 2009.03.13 17:35

A bug somewhere, possibly in the definition of \mathortext. For the time 
being, use \mathboldsymbol.

Aditya