You might have encountered a few "autoversioning commits" in the past. Autoversioning is an Apache SVN Feature, which allows standard WebDAV clients to edit content via WebDAV.
If you didn't use WebDAV in the past, don't worry, so didn't I. But it is a powerful protocol, which is supported by a wide range of tools. There is even support in Linux to mount such a folder. But this is a feature which I would not recommend to use in combination with autoversioning (later more on that).... read more