Stimmt, entschuldige:
Code:
\documentclass{scrreprt}
\usepackage{amsmath}
\usepackage{mathspec}
\usepackage{xltxtra}
%% Globale Schriftdefinitionen
\defaultfontfeatures{Mapping=tex-text}
\setmainfont[Ligatures=Common]{Minion Pro}
\setmathfont(Digits,Latin)[Uppercase=Italic,Lowercase=Italic]{Minion Pro}
\setmathfont(Greek)[Uppercase=Regular,Lowercase=Italic]{Minion Pro}
\setsansfont[Scale=0.80]{Myriad Pro}
\DeclareMathVersion{sansserifbold}
\SetSymbolFont{operators}{sansserifbold}{OT1}{cmbr}{m}{n}
\SetSymbolFont{letters} {sansserifbold}{OML}{cmbrm}{b}{it}
\SetSymbolFont{symbols} {sansserifbold} {OMS}{cmbrs}{m}{n}
\begin{document}
{\mathversion{sansserifbold}$\int\sum x=y$ }
$\int\sum x=y$
\end{document}
Kann das funktionieren?
Lesezeichen