[OS X TeX] blackboard bold semicolon

Bruno Voisin bvoisin at me.com
Fri Jul 25 12:36:37 EDT 2008

Le 25 juil. 08 à 15:09, Art Werschulz a écrit :

> [...]
> \DeclareMathSymbol{\bbsemicolon}{\mathpunct}{bbold}{"3B}
> \newcommand{\covb}{\mathbin{\hbox{\textbb{;}}}}
> [...]
> \verb|$R\bbsemicolon S$| & $R\bbsemicolon S$ \\
> \newcommand{\covb}{\mathbin{\hbox{\textbb{;}}}}
> [...]
>  I'll probably choose \mathbin, since the semicolon is being used as  
> a binary operator.

In the first suggestion too you should use \mathbin not \mathpunct.  
That will give you the same spacing as with \covb, and the same time  
be syntactically more correct (direct use of a glyph from a font,  
instead of putting it in a box as an intermediate step).

Bruno Voisin

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