reworked semantic check
reworked semantic check

dinfuehr/dora,riginding/dora,dinfuehr/dora,dinfuehr/dora,riginding/dora,dinfuehr/dora,dinfuehr/dora,riginding/dora,riginding/dora,riginding/dora,riginding/dora,riginding/dora,dinfuehr/dora