More informative name for backups of files from older versions.

diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index 37dcbca01475f44539f97ec4a5b3f3e1b8808340..102b4ef6907e7f1891bb0e516bf008654e408627 100644 (file)
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -1321,7 +1321,7 @@ FileName Buffer::getBackupName() const {
                fn.onlyPath().absFileName() :
                lyxrc.backupdir_path;
        string const fform = convert<string>(d->file_format);
-       string const backname = fname + "-" + fform;
+       string const backname = fname + "-lyxformat-" + fform;
        FileName backup(addName(fpath, addExtension(backname, fext)));
 
        // limit recursion, just in case