\RequirePackage{pstricks}
\RequirePackage{pst-xkey}
\ProvidesPackage{pst-diffraction}[2009/09/04 package wrapper for 
  pst-diffraction.tex (hv)]
\input{pst-diffraction.tex}
\ProvidesFile{pst-diffraction.tex}
  [\filedate\space v\fileversion\space `PST-diffraction' (ml,hv)]
\IfFileExists{pst-diffraction.pro}{\@addtofilelist{pst-diffraction.pro}}{}%
\InputIfFileExists{pst-diffraction.cfg}{%
    \PackageInfo{pst-diffraction}%
      {Local config file pst-diffraction.cfg used}
}{}
\endinput

