External/raw identifier references should not keep ID_INHERITED since the identifier references are always local. They ought otoh be flagged ID_INLINE since they are always statically bound. Identifier overriding fixes; use the same algorithm when constants are overridden as for functions. Also added some more debug helpers. Rev: src/language.yacc:1.278 Rev: src/program.c:1.424 Rev: src/program.h:1.158