Christoph LANGE <lan...@web.de> writes: > Here's how to reproduce. This procedure works on Windows 7; on earlier > versions it's slightly more complicated: > > 1. Open a Windows command line with admin permissions, e.g. use > "Start", then type "cmd", then hit C-S-RET > > 2. Suppose a file named "target" exists. Type > > mklink source target > > (Mind the order, it's opposite from "ln") > > 3. Open "source" in Emacs W32, edit it, save it. > > 4. Result: "source" is a normal file. If Emacs has created a backup > "source~", the latter is still a symlink.
What is the value of the variable `backup-by-copying'? Does changing it make any difference? You are right that Emacs on Windows does not support symlinks, but that only means that the variable `backup-by-copying-when-linked' will not have any effect.