[luatex] TL2014, realsuperscript, Linux Libertine O

[Daniel Flipo]

Ulrike Fischer a écrit le 23/06/2014 19:34 :
> Am Mon, 23 Jun 2014 18:58:38 +0200 schrieb Daniel Flipo:
>
>> Hi all,
>>
>> I stumble upon a new ``feature'' with TL2014 when compiling the
>> following file in LuaLaTeX:
>> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
>> \documentclass{article}
>> \usepackage{fontspec}
>> \usepackage{realscripts}
>> \setmainfont{Linux Libertine O}
>> %\setmainfont{Iwona}
>> \begin{document}
>> \showoutput
>> X\realsuperscript{123abc}X\par
>> X\realsubscript{123abc}X\par
>> \end{document}
>> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
>>
>> The \realsuperscript command prints no superscript;
>> -- it did with TL2013 (checked today, I kept the latest TL2013 ;-),
>> -- it does also with font "Iwona" instead of "Linux Libertine O",
>> -- it does also with font "Linux Libertine O" when compiled with XeLaTeX.
>> -- Strange is that \realsubscript works fine anytime…
>
> That's this problem:
>
> https://github.com/wspr/fontspec/issues/176

Thanks for this link!

> I would avoid \addfontfeature. The combination of such features
> doesn't always work.  Some months ago I had the problem that a
> feature added this way appeared only randomly every second
> compilation.
>
> Use
>
> \setmainfont[VerticalPosition=Superior]{Linux Libertine O}
>
> instead. Or define a new fontfamily.

Humm... sorry, I'll rather stick to TL2013 until this mess is fixed. 
Imho the realscripts package should either work as intended in LuaLaTeX 
or be replaced by something more reliable.

Best wishes,
-- 
Daniel Flipo