# [texhax] math bold not extended?

Michael Barr barr at math.mcgill.ca
Fri Apr 8 11:53:46 CEST 2011

I am trying to define a command \mathbi that will produce an ordinary bold
math character.  The command
\DeclareMathAlphabet{\mathbi}{OT1}{cmr}{bx}{it}
makes an extended bold character.  From the Companion, I glean the fact
that \mathbold (or \mathversion{bold}) changes the math alphabet to such a
font, but I cannot find how to define \mathbi as I want it.

Michael Barr