= Preface

A preface is not mandatory. It would typically be written by some other person
(eg your thesis director).

#lorem(200)

// #parbreak()
// #v(10pt)
// #bigskip()

#grid(
  columns: 2 * (1fr,), align: (left, right), [_Lausanne, 12 Mars 2011_], [<NAME>.],
)
