[tex-live] packages with characters > 127

[Manuel Pégourié-Gonnard]

On Mon, 28 Dec 2009 16:30:22 +0100, Ulrike Fischer <news3 at nililand.de>
wrote:

> If the file is 8-bit-encoded and contains non-ASCII-char xetex will
> probably tumbles over an invalid sequence. In this case you get a
> message:
> !Invalid UTF-8 byte or sequence at line 4 replaced by U+FFFD.!
> and xetex continues to read this file in the so-called «bytes-mode».
> 

Is it still true (the "bytes mode")? I seem to remember that it was
dropped at some point (so that XeTeX just continues in utf-8), though
I have no reference at hand.

Manuel.