Would you please advise the meaning of the highlighted sentence. Thanks.
"A state might fail in the scope of the individual rights its purports to enforce. It might decline to enforce rights against itself, for example, though it concedes citizens have such rights. It might fail in the accuracy of the rights it recognizes: it might provide rights against the state, hut through official mistake fail to recognize important rights." from 'Political judges and the Rule of Law', Ronald Dworkin.