[OS X TeX] blackboard bold semicolon

[Bruno Voisin]

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