regression in TeX Live 2023 concerning some math characters

[Vincent Lefevre]

On 2023-11-24 13:18:45 +0900, Norbert Preining wrote:
> On Fri, 24 Nov 2023, Vincent Lefevre wrote:
> > generated by fmtutil, but its man page does not say that $TEXINPUTS is
> > used. And I would say that using it would be wrong.
> 
> You did have TEXINPUTS set as root when installing the packages?

Yes, I keep my usual settings, which are generally usuful.

> Well, TEXINPUTS is one of the oldest variables that influences input,
> and there is no way we will abolish that one.
> 
> And even as root it might have valid usage, like setting a global
> TEXINPUTS for system specific files that cannot go into TEXMFLOCAL.

TEXINPUTS has its own meaning when using *tex after installation.
Installation scripts and/or installation tools should not be
affected by such settings. They should start by unsetting it,
or if they need some specific value, they could affect it from
another environment variable, used *only* for installation,
such as TEXINPUTS=$INSTALL_TEXINPUTS.

-- 
Vincent Lefèvre <vincent at vinc17.net> - Web: <https://www.vinc17.net/>
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Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)