bug#685: 23.0.60; ediff-revision does not work with bazaar

[Lennart Borgman (gmail)]

Starting from

  emacs -Q

and opening a file under bazaar version control and then doing

  M-x ediff-revision

I get the backtrace below.


Debugger entered--Lisp error: (wrong-number-of-arguments #[(file 
&optional editable rev) "..." [rev error "Operation not supported"] 2] 4)
  vc-bzr-checkout("c:/EmacsW32/nxhtml/nxhtml/doc/nxhtml-changes.html" 
nil nil "c:/EmacsW32/nxhtml/nxhtml/doc/nxhtml-changes.html21963Vr")
  apply(vc-bzr-checkout 
("c:/EmacsW32/nxhtml/nxhtml/doc/nxhtml-changes.html" nil nil 
"c:/EmacsW32/nxhtml/nxhtml/doc/nxhtml-changes.html21963Vr"))
  vc-call-backend(Bzr checkout 
"c:/EmacsW32/nxhtml/nxhtml/doc/nxhtml-changes.html" nil nil 
"c:/EmacsW32/nxhtml/nxhtml/doc/nxhtml-changes.html21963Vr")
  vc-default-find-revision(Bzr 
"c:/EmacsW32/nxhtml/nxhtml/doc/nxhtml-changes.html" nil #<buffer  *temp 
file*>)
  apply(vc-default-find-revision Bzr 
("c:/EmacsW32/nxhtml/nxhtml/doc/nxhtml-changes.html" nil #<buffer  *temp 
file*>))
  vc-call-backend(Bzr find-revision 
"c:/EmacsW32/nxhtml/nxhtml/doc/nxhtml-changes.html" nil #<buffer  *temp 
file*>)
  vc-find-revision("c:/EmacsW32/nxhtml/nxhtml/doc/nxhtml-changes.html" nil)
  ediff-vc-revision-other-window(nil)
  byte-code("..." [rev1 rev1buf file1 rev2 rev2buf file2 
ediff-vc-revision-other-window buffer-file-name "" lambda nil 
ediff-delete-version-file or startup-hooks] 7)
  ediff-vc-internal("" "" nil)
  ediff-revision(nil)
  call-interactively(ediff-revision t nil)
  execute-extended-command(nil)
  call-interactively(execute-extended-command nil nil)


In GNU Emacs 23.0.60.1 (i386-mingw-nt5.1.2600)
 of 2008-08-10