1. Function IntImp_Int2S::ChangePoint() has been added (see cdl for detail information).
2. Attempt to forbidden break WLine if it goes along surface boundary.
Code optimization.
2nd optimization
Test case for issue CR25890
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast
Wrong license statements corrected in several files.
Copyright and license statements added in XSD and GLSL files.
Copyright year updated in some files.
Obsolete documentation files removed from DrawResources.
