5.1.3. Inconsistent specialization

Suppose an enabled bean X specializes a second bean Y. If there is another enabled bean that specializes Y we say that in- consistent specialization exists. The container automatically detects inconsistent specialization and treats it as a deploy- ment problem.

So it is trying to say.

Every sentence that has if X does this to Y and then Z comes over to the side and does this can almost always be rewritten to a sentence that is more clear and much more terse. I would either add the more clear and more terse sentence first with the long drawn out example or just have the clear terse sentence. 

Anyway... low priority. Give some book author some revenue stream for explaining the spec.