PREUN

/bin/sh

if [ "$1" = 0 ]; then
  for f in ada-mode autotype cc-mode.info cl dired-x ebrowse ediff efaq elisp emacs eshell eudc forms gnus idlwave info message mh-e pcl-cvs reftex sc speedbar vip viper widget woman; do
    /sbin/install-info --delete /usr/share/info/$f.gz /usr/share/info/dir \
      --section="GNU Emacs" 2> /dev/null || :
  done
  alternatives --remove etags /usr/bin/etags.emacs
fi

POSTIN

/bin/sh

for f in ada-mode autotype cc-mode.info cl dired-x ebrowse ediff efaq elisp emacs eshell eudc forms gnus idlwave info message mh-e pcl-cvs reftex sc speedbar vip viper widget woman; do
  /sbin/install-info /usr/share/info/$f.gz /usr/share/info/dir --section="GNU Emacs" 2> /dev/null || :
done
alternatives --install /usr/bin/etags etags /usr/bin/etags.emacs 80