There seems to be something else for Unicode support. Ever heard of
this? Is that supposed to work without installing additional files?

(cited from:
http://mail.nl.linux.org/linux-utf8/2004-04/msg00000.html)

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In mid February, the LaTeX project team released a new version that now
supports UTF-8. For details, see

ftp://ftp.tex.ac.uk/tex-archive/macros/latex/base/utf8ienc.dtx

You now can finally simply replace

\usepackage[latin1]{inputenc}

with

\usepackage[utf8]{inputenc}

and can this way move all your non-ASCII LaTeX input to UTF-8 as well.