This new variable allows customizing the default arguments passed to
git-grep when 'vc-git-grep' is used.
+*** Command 'vc-git-stash' now respects marks in the '*vc-dir*' buffer.
+When some files are marked, only those are stashed.
+When no files are marked, all modified files are stashed, as before.
+
** diff-mode
*** Hunks are now automatically refined by default.
To disable it, set the new defcustom 'diff-font-lock-refine' to nil.