Difference between an it block and a specify block in RSpec

What is the difference between an it block and a specify block in RSpec?

subject { MovieList.add_new(10) }

specify { subject.should have(10).items }
it { subject.track_number.should == 10}

They seem to do the same job. Just checking to be sure.

The methods are [the same](

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); they are provided to make specs read in English nicer based on the body of your test. Consider these two:

describe Array do
describe "with 3 items" do
before { @arr = [1, 2, 3] }

specify { @arr.should_not be_empty }
specify { @arr.count.should eq(3) }
end
end

describe Array do
describe "with 3 items" do
subject { [1, 2, 3] }

it { should_not be_empty }
its(:count) { should eq(3) }
end
end