[luatex] behavior of string.format

[luigi scarso]

On Sun, Mar 10, 2019 at 12:13 AM Reinhard Kotucha <reinhard.kotucha at web.de>
wrote:

> Hi,
> I just noticed that the TL-2019 version of luatex breaks many of my
> scripts.
>
>
it's lua5.3


==============================================================
LuaTeX 1.09.2 2019-01-19
==============================================================

This is a transitional release to LuaTeX 1.10 for TeX Live 2019



==============================================================
LuaTeX 1.09 2018-10-23
==============================================================

(1) This is a release that fixed some bugs, and the latest
with lua 5.2.

Also ,  TeXLive 2018 has luatex53

-- 
luigi
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