\begin{thebibliography}{Pac01}

\bibitem[Pac01]{render:2001}
Keith Packard.
\newblock {Design and Implementation of the X Rendering Extension}.
\newblock In {\em FREENIX Track, 2001 Usenix Annual Technical Conference},
  Boston, MA, June 2001. USENIX.

\bibitem[SG92]{x}
Robert~W. Scheifler and James Gettys.
\newblock {\em X Window System}.
\newblock Digital Press, third edition, 1992.

\bibitem[TT00]{freetype2}
David Turner and The FreeType~Development Team.
\newblock The design of {FreeType} 2, 2000.
\newblock http://www.freetype.org/freetype2/docs/design/.

\end{thebibliography}
