add warning of unsupported syntax
add warning of unsupported syntax

deeper-think/sniproxy,deeper-think/sniproxy,0xa/sniproxy,balyanrobin/sniproxy,dlundquist/sniproxy,deeper-think/sniproxy,dlundquist/sniproxy,dlundquist/sniproxy,0xa/sniproxy,txt3rob/sniproxy,txt3rob/sniproxy,balyanrobin/sniproxy,0xa/sniproxy,dlundquist/sniproxy,balyanrobin/sniproxy,0xa/sniproxy,txt3rob/sniproxy,balyanrobin/sniproxy