To reproduce the issue, import the attached package or any other input filter that generates the history document by document.

The resulting history of a page will have the following issues:

• The first version of the document will be duplicated
• The current version of the page will be the second last
• The last version will be corrupted - viewing it will return 404
• The second last version will have the content corresponding to the last version but the correct version comment

The following image displays some of the above mentioned issues.