On Sun, 15 Jun 1997, Werner Lemberg wrote:

> Both approaches work well (the former I've used in my vncmr package for
> Vietnamese to define an ET5 encoding, the latter for a experimental LLW
> encoding using the `fil' option of the LH fonts to get more characters)
> for *all* encodings in the range 0x80-0xFF since the interface used here
> for TeX is only 7bit, and \uccode and \lccode for characters >= 0x80 will
> be never used.

This is misleading, sorry. Of course I meant case changing only. For
proper hyphenation you still need T2 encoded fonts if you don't want to
change the lccodes.