I want to put some parts of my document in Helvetica Neue UltraLight italic.

I use :

\fontspec{Helvetica Neue Ultralight} \selectfont   
\emph{...} ...

or :

\textit{...} ...

But none of 2 solutions seems to work, as the result is in Helvetica Neue LIGHT italic

I checked that the font I want exists on my computer, in a whole HelveticaNeue.dfont package.

closed as too localized by lockstep, Werner, Mensch, Martin Schröder, Stephen Feb 15 '13 at 21:15

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