[luatex] Optical Sizes of Adobe Utopia Std Bold

[Andy Lin]

Hi,
I just started using LuaLaTeX for the first time this week (texlive
2010) and I've run into a problem. Below is a minimal example:

\documentclass{article}
\usepackage{fontspec}
\usepackage{graphics}
\setmainfont{Utopia Std}
\begin{document}
\noindent\resizebox{!}{24pt}{\fontsize{24}{28}\selectfont k \textbf{k}
\textit{k} \textbf{\textit{k}}}\\
\resizebox{!}{24pt}{\fontsize{16}{28}\selectfont k \textbf{k}
\textit{k} \textbf{\textit{k}}}\\
\resizebox{!}{24pt}{\fontsize{10}{28}\selectfont k \textbf{k}
\textit{k} \textbf{\textit{k}}}\\
\resizebox{!}{24pt}{\fontsize{8}{28}\selectfont k \textbf{k}
\textit{k} \textbf{\textit{k}}}
\end{document}

If this is processed with lualatex, the bold 24-point k is typeset
with Utopia Std Bold Caption when it is supposed to be typeset with
Utopia Std Bold Display. Oddly enough, all the other characters have
the correct optical size font. Using xelatex, this problem does not
occur. (I've attached the output for both and the log for the luatex
run.)

I've tried clearing the lua font cache in texmf-var and running
mkluatexfontdb with the -f switch.

When I look at the log, I find this:

luaotfload | load font: auto-selecting default features for script: dflt (was l
atn)
luaotfload | load font: font family='utopiastd', subfamily='regular' found: uto
piastd-disp.otf(load: D:/texlive/texmf-var/luatex-cache/generic/fonts/otf/temp-
utopiastd-disp.lua)
luaotfload | load font: auto-selecting default features for script: dflt (was l
atn)
luaotfload | load font: font family='utopiastd', subfamily='bold' found: utopia
std-boldcapt.otf(load: D:/texlive/texmf-var/luatex-cache/generic/fonts/otf/temp
-utopiastd-boldcapt.lua)
luaotfload | load font: auto-selecting default features for script: dflt (was l
atn)
luaotfload | load font: font family='utopiastd', subfamily='italic' found: utop
iastd-dispit.otf(load: D:/texlive/texmf-var/luatex-cache/generic/fonts/otf/temp
-utopiastd-dispit.lua)
luaotfload | load font: auto-selecting default features for script: dflt (was l
atn)
luaotfload | load font: font family='utopiastd', subfamily='bolditalic' found:
utopiastd-bolddispit.otf(load: D:/texlive/texmf-var/luatex-cache/generic/fonts/
otf/temp-utopiastd-bolddispit.lua)

When luaotfload loads the fonts for the first line, it selects the
Display size for the other three characters, but selects the Caption
size for the bold character. Is this a fontspec problem? Or is there
something wrong with my luatex setup?

Thanks!
-Andy
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