Hi Yoshiki,

Just wondering:
> The TODO's not mentioned in the postscript:
> 
> *  Reorganize MultiByteFileStream and MultiByteBinaryOrTextStream.  A
>    filter like mechanism would be good.

Would it be useful to put this on top of TextFile[1]? It has a framework for
having various filters and translations applied to read and write text.
Seems to me that just providing the appropriate filters would solve most of
the issues involved.

[1]
http://map1.squeakfoundation.org/sm/package/cca8fa40-8d87-492f-b397-1b256606
afd9

Cheers,
  - Andreas