convert_setup(vimconv_T *vcp, char_u *from, char_u *to)
{
    return convert_setup_ext(vcp, from, TRUE, to, TRUE);
}
convert_setup(vimconv_T *vcp, char_u *from, char_u *to)
{
    return convert_setup_ext(vcp, from, TRUE, to, TRUE);
}