Double installation test

[Peter Flynn]

On 09/04/2024 11:19, Zdenek Wagner wrote:
> út 9. 4. 2024 v 11:56 odesílatel Peter Flynn <peter at silmaril.ie> napsal:
[...]
>> Does TL-from-TUG do a test before starting to see if any of the
>> usual suspects are already working (eg tex, latex, xelatex,
>> lualatex, kpsewhich)?
>>
> No, it doesn't because you can have many versions installed in
> parallel and can choose by setting PATH. 

Right. But that's an edge case (you and me both). Regular users only 
have one version, and beginners in particular wouldn't a path from a 
hole in the ground, or how to set one.

> However, TL after installation says that its binary should be at the
> beginning of PATH which is not done by the installation procedure, a
> user must do it.
I suspect most new users neither understand this nor know how to do it.

> What TL does is examination of existence of a previous version and
> optional copy of the settings.

OK, thanks.

Peter