\hypersetup{
     pdftitle={pgSphere},
     pdfsubject={user guide},
     pdfauthor={pgSphere developer team},
     pdfkeywords={spherical PostgreSQL SQL},
     bookmarksopen=true,
     bookmarksopenlevel=2,
     colorlinks=true,
     linkcolor=blue,
     pdfpagemode=UseOutlines,
     pdfstartview=FitH
}
\usepackage{url}
\tolerance=2000
