* - @%B The block node number of the nodes block.
* - @%b A bitset.
* - @%= A pnc value
- * - @%g A debug info (if available)
+ * - @%G A debug info (if available)
+ * - @%P A compound graph path
*
* Each of these can be prepend by a '+' which means, that the given
* pointer is a collection of items specified by the format. In this