{
        attach.targets()
	T
}
all.equal(trms4, terms((a + b)^2 ~ a^2 + (b + c)^2 + d * (e + f)^2, specials = 
	"s"))
all.equal(trms5, terms( ~ a^2 + (b + c)^2 + d * (e + s(g))^2, specials = "s"))
all.equal(trms6, terms( ~ (a + b + c)^3 - a:b:c))
all.equal(terms(y ~ x)[-1], terms(y ~ 1))
all.equal(terms( ~ x)[-1], terms( ~ 1))