Node names that start with a number not accepted

[shaunmahony]

My hostnames begin with numbers (e.g. 0xxx.xxx), and this is causing the pbs_server to fail with errors similar to this:
PBS_Server[6531]: LOG_ERROR::parse_node_name, token "0xxx.xxx" doesn't start with alpha on line 1

The problem is in torque/src/server/node_func.c, in the parse_node_name function, where numeric node names are rejected for non-Cray systems. I know that I can simply change my hostnames. However, RFC1123 (https://tools.ietf.org/html/rfc1123#page-13) explicitly allows numeric hostnames, so the behavior seems like an error.