On Sun, 29 Mar 2009, Aditya Mahajan wrote:

> 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.

Hans,

\mathortext in core-mat should be defined as unexpanded def.

\unexpanded\def\mathortext
   {\ifmmode
      \expandafter\firstoftwoarguments
    \else
      \expandafter\secondoftwoarguments
    \fi}

Aditya