(TeX-add-style-hook "5"
 (lambda ()
    (LaTeX-add-labels
     "ex:upperhalfpres"
     "ex:meromorphic"
     "ex:wmfprod"
     "ex:nomodformodd"
     "ex:conggamma1")
    (TeX-add-symbols
     '("zmod" 1))
    (TeX-run-style-hooks
     "latex2e"
     "art11"
     "article"
     "11pt"
     "macros")))