SHAPE: according to R10..R14.

Signed-off-by: bert <bert.timmerman@xs4all.nl>
ARC: removed trailing white space.

Signed-off-by: bert <bert.timmerman@xs4all.nl>
SOLID: implemented DXF_DEBUG macros.

Signed-off-by: bert <bert.timmerman@xs4all.nl>