def combo_lbls(lbla, lblp):
    parts = []
    if ((lbla != name_sep) and lbla):
        parts.append(lbla)
    if ((lblp != name_sep) and lblp):
        parts.append(lblp)
    return (sep + cfg_sep).join(parts)
def combo_lbls(lbla, lblp):
    parts = []
    if ((lbla != name_sep) and lbla):
        parts.append(lbla)
    if ((lblp != name_sep) and lblp):
        parts.append(lblp)
    return (sep + cfg_sep).join(parts)