filecaps/dircaps in table

[Imported from Trac: page Capabilities, version 11]

Capabilities.md

@@ -32,12 +32,13 @@ derive #2 (but not the other way around). The full table is:
 
   write   read  verify
   --------------------
-           #1 ->  #2
-           #3
-    #4 ->  #5 ->  #6
-           #7 ->  #8
-           #9
-   #10 -> #11 -> #12
+           #1 ->  #2   }
+           #3          }  filecaps
+    #4 ->  #5 ->  #6   }
+
+           #7 ->  #8   }
+           #9          }  dircaps
+   #10 -> #11 -> #12   }
 
 Deriving a weaker capability from a strong one is called "diminishing" the stronger one.