some problems with luahbtex.dll and updating

[Akira Kakuto]

Dear Bernhard,

> If you can't obtain the latest lua53.dll by a standard way,
> you can download it from the repository:
>
> https://www.tug.org/svn/texlive/trunk/Master/bin/win32/lua53.dll?view=log

However if you update lua53.dll only, then new inconsistencies are
expected, for example, luatex may become not to work. You have to
update luatex.dll also. So I don't recommend the method.
It is better to study why the usual update does not correctly
work in your case.

Best,
Akira