skip_option_env_lead(char_u *start)
{
    char_u *name = start;

    if (*start == '&')
    {
	if ((start[1] == 'l' || start[1] == 'g') && start[2] == ':')
	    name += 3;
	else
	    name += 1;
    }
    else if (*start == '$')
	name += 1;
    return name;
}
skip_option_env_lead(char_u *start)
{
    char_u *name = start;

    if (*start == '&')
    {
	if ((start[1] == 'l' || start[1] == 'g') && start[2] == ':')
	    name += 3;
	else
	    name += 1;
    }
    else if (*start == '$')
	name += 1;
    return name;
}