On Sat, Oct 15, 2011 at 02:44:18PM +0200, Wolfgang Schuster wrote:
>
> Am 15.10.2011 um 14:36 schrieb Khaled Hosny:
>
> > On Sat, Oct 15, 2011 at 02:02:28PM +0200, Andreas Richter wrote:
> >> Hello,
> >>
> >> compiling the following with 'context'
> >>
> >> \starttext
> >> \startformula
> >> J:\blackboard{R}^\infty \rightarrow \blackboard{R},f \mapsto J[f]
> >> \stopformula
> >> \stoptext
> >>
> >> produces a blackboard 'J' character in J[f] instead of a $J$.
> >
> > I think it should be {\blackboard R} not \blackboard{R} (i.e. it is,
> > traditionally at least, a font switch).
>
> No, the font switch is \bbd.
In math-ini.mkiv, both \blackboard and \bbd have exactly the same
definition:
\unexpanded\def\bbd {\ifmmode\expandafter\mathblackboard\fi}
\unexpanded\def\blackboard{\ifmmode\expandafter\mathblackboard\fi}
Regards,
Khaled
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