[lltx] input normalization

[Ulrike Fischer]

Due to a discussion in d.c.t.t. I realized that lualatex is still
missing input normalization. E.g. the following document

\documentclass{article}
\usepackage{fontspec}

\begin{document}
^^^^006f^^^^0308

^^^^00f6
\end{document}

gives in the pdf output 

oU+0308 (o + combining dieresis)
U+00F6  (ö)

while with xetex one gets with both inputs U+00F6.

context seems to do input normalization too. Would it be possible to
add the code to lualatex too?


-- 
Ulrike Fischer 
http://www.troubleshooting-tex.de/