* ediff*el: replaced old-style backquotes.
* ediff-merge
(ediff-looks-like-combined-merge,ediff-get-combined-region):
changed to support the new format for ediff-combination-pattern.
* ediff-diff (ediff-set-fine-overlays-in-one-buffer):
changed to support the new format for ediff-combination-pattern.
viper-buffer-live-p, viper-kbd-buf-alist, viper-kbd-buf-pair,
viper-kbd-buf-definition, viper-kbd-mode-alist,
viper-kbd-mode-pair, viper-kbd-mode-definition,
viper-kbd-global-pair, viper-kbd-global-definition):
Use the new backquote syntax.
* emulation/viper-cmd.el (viper-test-com-defun,
viper-prefix-arg-value, viper-prefix-arg-com):
Use the new backquote syntax.