[luatex] How to insert mathkerns?

[Henri Menke]

On 15/09/18 18:34, luigi scarso wrote:
> On Sat, Sep 15, 2018 at 7:50 AM Henri Menke <henrimenke at gmail.com> wrote:
> 
>> Dear list,
>>
>> I'm trying to add mathkerns to a font on the fly.  I adapted the code
>> from ConTeXt in good-mth.lua but nothing happens.  How can I make this
>> work?  MWE below.
>> N.B. I'm using 1.09.0 svn6938 with Ulrike's fontloader 2018-09-01
>>
>> Be careful with experimental (is not the case of  rev 6938):
> we are  fixing things .
> Especially the "WORK IN PROGRESS" commits , that cannot even compile.
> 

Sorry for the confusion, but that's not really the point.  It also
doesn't do anything in the release version 1.07.0 with luaotfload from
TeX Live.