(node, context)
Implements S10.3.4
Implements S10.3.4
Implements S10 . 3 . 4
def calculate_block_replaced_normal_flow_width(node, context):
    "Implements S10.3.4"
    raise NotImplementedError("Section 10.3.4")
def calculate_block_replaced_normal_flow_width ( node , context ) : raise NotImplementedError ( "Section 10.3.4" )