Verilog-A vector syntax

[compact]

Hi,
I'm wondering if the following vector expressions are Valid with
VerilogA:

_ branch (out[3],in[3]) net; // LRM says 'range' ??
_ V(out[3],in[3]) <+ I(out[3],in[3]);
_ I(<in[1]&gt

Thanks for any inputs,
Lionel.