set_expr_line(char_u *new_line, exarg_T *eap)
{
    vim_free(expr_line);
    expr_line = new_line;
    expr_eap = eap;
}
set_expr_line(char_u *new_line, exarg_T *eap)
{
    vim_free(expr_line);
    expr_line = new_line;
    expr_eap = eap;
}