Yes, that cleared it up. Thanks for that.

Ok, though I understand that now, I think, that "similar to @+" should be rephrased to be more concrete what is meant (or may it even be left out? Is it really necessary?).

added:

If I read perlvar from the beginning to end, as we can see, I don't recognize this "similarity" of @+ and %+. @- is explained a few paragraphes later in the document, so hasn't been read yet. I don't think, it's clear enough (in the doc).