I updated the following three files again including
fixes/modifications after my previous mail:
5c30f194c5570c2a6f190ebd7be1567b HTS-2.1beta_for_HTK-3.4.tar.bz
cc94c572b34eeda3a1570ccf33257a24 HTS-demo_CMU-ARCTIC-SLT.tar.bz2
3a0b22c8d5799600684e86f09e2dcbc9 HTS-demo_CMU-ARCTIC-ADAPT.tar.bz2
Modifications of HTS-demo made in these releases are related to Mac OS
X supports.
Fixes of HTS-2.1beta made in this release are related to regression
class tree construction.
Problems reported by Alexis are also fixed in these releases ;-)