[texhax] math bold not extended?

Lars Madsen daleif at imf.au.dk
Fri Apr 8 12:12:08 CEST 2011

Michael Barr wrote:
> 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
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why don't you just use \bm from the bm package, perhaps \let\mathbi\bm



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