(TeX-add-style-hook "all"
 (function
  (lambda ()
    (LaTeX-add-bibliographies
     "biblio-pat")
    (TeX-add-symbols
     "bndone"
     "bndzero")
    (TeX-run-style-hooks
     "xy"
     "all"
     "latex2e"
     "art11"
     "article"
     "11pt"
     "macros"))))