def not_binary(content_type):
    """Decide if something is content we'd like to treat as a string."""
    return content_type.startswith('text/') or content_type.endswith('+xml'
        ) or content_type.endswith('+json'
        ) or content_type == 'application/javascript' or content_type.startswith(
        'application/json') or content_type.startswith('application/xml')
