Philip Kaludercic writes: Hi Philip, >> But even with the default settings of reusing the same diff buffer, >> why change the default directory when it exists? Why not to check >> if the dir still exists like Philip proposed initially? > > I have also run into this issue when trying to save a diff buffer, and > it not appearing in the expected place but under /tmp/. As I said the other message, I cannot reproduce. I'm not a diff user (I use ediff), so I need a recipe for triggering the issue. However, what about the patch below? Best regards, Michael.