(TeX-add-style-hook "6"
 (lambda ()
    (LaTeX-add-labels
     "ex:grpact"
     "ex:sl2ztrans"
     "ex:expeis"
     "ex:vm")
    (TeX-add-symbols
     '("zmod" 1))
    (TeX-run-style-hooks
     "latex2e"
     "art11"
     "article"
     "11pt"
     "macros")))