(TeX-add-style-hook "notebook"
 (lambda ()
    (TeX-add-symbols
     "cN")
    (TeX-run-style-hooks
     "fancyvrb"
     "hyperref"
     "tikz"
     "url"
     "pdfsync"
     "color"
     "pdftex"
     "latex2e"
     "art10"
     "article"
     "macros")))