if ! grep -q USE_CANNA $SPELL_CONFIG; then
  if query "Enable Canna support?" y
  then USE_CANNA=1
  else USE_CANNA=0
  fi
  echo  "USE_CANNA=$USE_CANNA"  >>  $SPELL_CONFIG
fi

if ! grep -q USE_WNN $SPELL_CONFIG ; then
  if query "Enable Wnn support?" y
  then USE_WNN=1
  else USE_WNN=0
  fi
  echo  "USE_WNN=$USE_WNN"  >>  $SPELL_CONFIG
fi
