[luatex] open math constants leaks out?

Ulrike Fischer luatex at nililand.de
Mon Sep 5 14:40:29 CEST 2016

I tried to find out why using Linux Libertine in math leads to wrong
spacing in the limits of an integral

Imho the reason is that linlibertine_R has a mathconstants table. 
When using the font in math something is leaking out and affects
legacy math. This plain tex example demonstrates the problem (tested
in texlive 2016)

\input luaotfload.sty

\font\test={Linux Libertine O}

$$ \int_{a}^{a} $$


$$ \int_{a}^{a} $$


Is this a bug? And what exactly happens that luatex changes the

Ulrike Fischer 

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