Suppose the current save of a PowerPoint document contains the following:
Reference File Offset
8 10000
The following would be saved to the file:
Hex Decimal Meaning
1772 6002 PST_PersistPtrIncrementalBlock
24 36 Length of Atom
300001 3145729 3 consecutive offsets starting at 1
400 1024 Offset to ref(1)
800 2048 Offset to ref(2)
1000 4096 Offset to ref(3)
100006 1048582 1 consecutive refs starting at 6
2000 8192 Offset to ref(6)
200008 2087160 2 consecutive refs starting at 8
2710 10000 Offset to ref(8)
4E20 20000 Offset to ref(9)
For an example of an application that tracks user edits see appendix B.