git-svn-id: https://geuz.org/svn/gmsh/trunk@18776 59c8cabf-10d6-4a28-b43f-3936b85956c4
don't remove degenerate entities by default: it breaks geometrical boundary layers; 
set Geometry.AutoCoherence=2 to active this


git-svn-id: https://geuz.org/svn/gmsh/trunk@18777 59c8cabf-10d6-4a28-b43f-3936b85956c4
pp


git-svn-id: https://geuz.org/svn/gmsh/trunk@18778 59c8cabf-10d6-4a28-b43f-3936b85956c4
remove dead code


git-svn-id: https://geuz.org/svn/gmsh/trunk@18779 59c8cabf-10d6-4a28-b43f-3936b85956c4