by namespace CGAL { and } //namespace CGAL. in all .h and .cpp files
in a directory.
Apply it to all packages in the trunk
Remove macro definition from the config.h file.
support / and sqrt ("fixed" here means that the code still runs but
operations are no longer exact; the operations that are not exact
are only used for constructions, not for predicates); the issue
came up in the segment Delaunay graph package which uses the
Parabola_2 and Parabola_segment_2 from this package.