[luatex] Italic font sizes shrinking after the first page?

[Akira Kakuto]

Hello,

> When I use the font Arno Pro, italics text becomes smaller than the normal
> size after the first page in LuaLaTeX. This behavior does not happen when I
> use other fonts (e.g. Garamond Premier Pro, Palatino, Times Ten LT Std). It
> also does not happen when I use XeTeX.

> I have a quick Lorem Ipsum-type test case with source, log and PDF output
> here:
> https://www.dropbox.com/sh/sqyxxxvfihtjlkx/Bn0cNTgEoY

> I am running LuaTeX beta-0.76.0-2013061817 on MacTeX 2013.

> Any suggestions?

I don't know why LuaLaTeX behaves like that, but the smaller font
is found to be "Arno Pro Italic Caption".
You will obtain desired output by
\setmainfont[Ligatures=TeX,ItalicFont={Arno Pro Italic}]{Arno Pro}

Thanks,
Akira