We don't want to give people any reason to believe that it's ok to
omit --enable-double.
@item @uref{http://fontforge.sf.net/, FontForge} (20060125 or
newer; 20100501 or newer is recommended; must be compiled
with @option{--enable-double}. Failure to do so can lead to
-poor intersection calculations and poorly-rendered glyphs.
-20110222 currently renders the feta font correctly
-without @option{--enable-double}.)
+poor intersection calculations and poorly-rendered glyphs.)
@item @uref{http://www.gnu.org/software/bison/, GNU Bison}