how to stop FM from auto saving files?

Is there a way to stop FrameMaker from auto saving text files, such as ditamaps? 

I have nicely indented ditamaps in which I use keyrefs. However, sometimes during PDF publishing out of the blue FM decides to autosave my ditamaps, after which not only it destroys the indentation but also adds hrefs. After these changes it is difficult to go through the ditamap out of FM. Example ditamap before save:

and after save: