Now the Wiki module seems to be working fine. But I've marked it as

"PROG" (progress) because I haven't been able to reproduce the load
of binary data directly to DB reported by some moodlers in forums.

I've created bug 2634 to see if somebody can point me in the correct
direction to reproduce it.

backup/CHANGES_14_15.txt

@@ -34,8 +34,10 @@ Now I show the specific detailed status of every item in the process:
           mimic it.
 21. TODO: Review the workshop module completely! Check the upgrade process to
           mimic it.
-22. TODO: Review the wiki module fully (if possible, try to make binary
-          uploaded contents to work).
+22. PROG: Review the wiki module fully. Now the wiki backup & restore seems to
+          be working fine. About binary contents loaded directly to DB, I
+          haven't found HOW TO LOAD them. I've opened Bug 2634 to see if
+          somebody can tell me how to reproduce it!
 23. DONE: Add support for metacourses in backup and restore. Show a new option
           to decide what to do (ignore, process).
 24. DONE: Take out THEME from backup directory.