[opencms-dev] Gaps in resource history version numbers

[Philippe Sevestre]

Hi all,

I have a customer that have been using OpenCMS (version 7.5.3, MS-SQL
Database) for over a year. During this time they've
made a lot of content editing using all available functionality (editing,
moving, deleting, undeleting, siblings, etc), and thus generating a lot of
versions for every resource.

When I look at the change history of some of the resources, I notice that
there are some gaps in version numbering, which I taught were supposed do be
strictly sequential. Example: if the online version for a given resource is
10, the history list should display versions 10,9, 8, 7 and so forth.
However, what I'm seeing is something like 10,8,7, i.e, the 9th version is
somehow missing from the listing.

Question: Is this expected behaviour ? In what circunstances can those gaps
occur ?
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