Override some character settings

    @type opening_char: str
    @param opening_char: Opening character. Default: '{'
    @type closing_char: str
    @param closing_char: Closing character. Default: '}'
    @type separator_char: str
    @param separator_char: Separator char. Default: '|'

def override_params(opening_char='{', closing_char='}', separator_char='|'):
    """
    Override some character settings

    @type opening_char: str
    @param opening_char: Opening character. Default: '{'
    @type closing_char: str
    @param closing_char: Closing character. Default: '}'
    @type separator_char: str
    @param separator_char: Separator char. Default: '|'
    """
    global char_separator, char_opening, char_closing
    char_separator = separator_char
    char_opening = opening_char
    char_closing = closing_char