On 3/18/2010 2:04 PM, Mikael Persson wrote:
On Thu, Mar 18, 2010 at 11:14 AM, Aditya Mahajan<adit...@umich.edu>  wrote:
On Thu, 18 Mar 2010, Mikael Persson wrote:

Wow, Wolfgang, this is very nice! (I was fighting his some weeks ago,
and what I probably did wrong was that I did not regenerate the file
name database. Now the math is indeed italic and not upright.)

It is, however, not completely perfect. With the following example, I
get the attached result. I think the prime is too close to the f and
I don't know. Do they come out correctly with latex? If so, it may be a bug
in luatex's italic correction.

also, sin should be "upright" and not italic. Any ideas?
Try (Untested)

\definetypeface[charter][mm][math] [charter]     [default] [text=rm]

Aditya
Thanks Aditya! The sin problem goes away with this!

Then, there is only the prime problem left (as far as I can see. I
should try this setup on a larger paper to see if something else looks
strange)

Best regards, Mikael
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Thank you all. Still there is a problem with delimiters (which should be upright) and \mfunction. Please see the attached file.
Mehdi
%\environment fag-math
\definetypeface [charter]  [rm] [serif] [modern]   [default]
\definetypeface [charter]  [mm] [math]  [charter]  [default][text=rm]


\definetypeface [utopia]   [rm] [serif] [modern]   [default]
\definetypeface [utopia]   [mm] [math]  [utopia]   [default][text=rm]


\definetypeface [garamond] [rm] [serif] [modern]   [default]
\definetypeface [garamond] [mm] [math]  [garamond] [default][text=rm]


\definemathcommand [AB]      {{\mathblackboard A}}
\definemathcommand [AC]      {{\mathcal A}}
\def\image{{\mathrm{Im}}}
\def\af{\mathfrak{a}}
\definemathcommand [closure]  [nolop] {\mfunction{cl}}

\setupheads[align=middle]

\starttext

\subject{Latin Modern}

\startformula
c^2 = a^2(a[f]) + b^2 \AB\quad \AC\quad \image\quad \af\quad \closure
\stopformula

\startformula
\sum \int abc \alpha\beta\gamma \Theta\Sigma\Epsilon
\stopformula

\subject{Charter}

\switchtobodyfont[charter]

\startformula
c^2 = a^2(a[f]) + b^2 \AB\quad \AC\quad \image\quad \af\quad \closure
\stopformula

\startformula
\sum \int abc \alpha\beta\gamma \Theta\Sigma\Epsilon
\stopformula

\subject{Utopia}

\switchtobodyfont[utopia]

\startformula
c^2 = a^2(a[f]) + b^2 \AB\quad \AC\quad \image\quad \af\quad \closure
\stopformula

\startformula
\sum \int abc \alpha\beta\gamma \Theta\Sigma\Epsilon
\stopformula

\subject{Garamond}

\switchtobodyfont[garamond]

\startformula
c^2 = a^2(a[f]) + b^2 \AB\quad \AC\quad \image\quad \af\quad \closure
\stopformula

\startformula
\sum \int abc \alpha\beta\gamma \Theta\Sigma\Epsilon
\stopformula

\stoptext
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