[NTG-context] No bonds visibel with ppchtex

Hello all, I tried my sample with: texexec 5.2.3, pdfeTeX 3.14159-1.10b-2.1, context 2004.12.06, fmt 2004.12.17 and texexec 3.1, pdfeTeX 3.14159-1.10b, fmt 5.2.1 always the same result. Kai