def is_hop_by_hop(header_name):
    return header_name.lower() in _hop_headers
Return true if 'header_name' is an HTTP/1.1 "Hop-by-Hop" header
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/core/servers/basehttp.py/is_hop_by_hop