Debugger entered--Lisp error: (error "Running rcsdiff -q   -U0 test-chin-jap.tex...FAILED (status 2)")
  signal(error ("Running rcsdiff -q   -U0 test-chin-jap.tex...FAILED (status 2)"))
  error("Running %s...FAILED (%s)" "rcsdiff -q   -U0 test-chin-jap.tex" "status 2")
  vc-do-command(" *diff-hl* " 1 "rcsdiff" ("/home/oub/ALLES/Chin-Jap/rc/test-chin-jap.tex") "-q" nil nil "-U0")
  apply(vc-do-command " *diff-hl* " 1 "rcsdiff" ("/home/oub/ALLES/Chin-Jap/rc/test-chin-jap.tex") ("-q" nil nil "-U0"))
  vc-rcs-diff(("/home/oub/ALLES/Chin-Jap/rc/test-chin-jap.tex") nil nil " *diff-hl* ")
  apply(vc-rcs-diff (("/home/oub/ALLES/Chin-Jap/rc/test-chin-jap.tex") nil nil " *diff-hl* "))
  vc-call-backend(RCS diff ("/home/oub/ALLES/Chin-Jap/rc/test-chin-jap.tex") nil nil " *diff-hl* ")
  diff-hl-changes-buffer("/home/oub/ALLES/Chin-Jap/rc/test-chin-jap.tex" RCS)
  diff-hl-changes()
  diff-hl-update()
  run-hooks(after-save-hook)
  basic-save-buffer(t)
  save-buffer(1)
  funcall-interactively(save-buffer 1)
  call-interactively(save-buffer nil nil)
  command-execute(save-buffer)