-<quoted-constant-string-set> := ""
- | <quoted-constant-string>
- | <quoted-constant-string> <quoted-constant-string-set>
- (* insieme di stringhe *)
+<quoted-constant-string-path> := <quoted-constant-string>
+ (* relazione (proprieta') *)
+ | <quoted-constant-string> "/" <quoted-constant-string-path>
+ (* insieme di stringhe:
+ proprieta' strutturata *)