> I am struggling to put in \texorpdfstring on pdf side ^ as > substitution of the power. > Neither > > \section{\texorpdfstring{$A^B$}{A\^ B}} > > > \DeclareTextCommand{\texthat}{PD1}{\8\136} > \begin{document} > > \section{\texorpdfstring{$A^B$}{A\texthat B}} > > > > seem to work. > > Victor just take \textcircumflex best, Thomas