[tex-live] kpsewhich case insensitive?

Denis Bitouzé dbitouze at wanadoo.fr
Sat Apr 7 12:12:22 CEST 2018

Le 06/04/18 à 23h35, Karl Berry a écrit :

>     Sigh...
> Agreed.


>     But I (and other users) could be bitten 
> Yes, I know. Do you really think we were unaware of this?

Obviously not. Sorry if I offended...

>     Hence why not the other way round: `texmf_casefold_search' 0 by
>     default
> I thought hard about doing it this way. I hate making incompatible
> changes. I think this is the first user-level kpse change
> intentionally made in ten years or more.

Nice! Could be worth to mention this change in the section "Present ---

> I think I wrote all this before, but I guess I'll do it again:
> The change is motivated for the case of big documents being developed
> on Macs, and thus \include and \includegraphics commands (for example)
> use randomly cased filenames and work regardless. Then the document is
> compiled on normal Unix and failures abound. It is a big pain to fix
> this. There can easily be hundreds of images or subfiles involved.
> This situation is more common than you or I might wish :(.  You can
> look it up on tex.sx etc.

I see.

> Thus, it's a trade-off between causing strange new failures in the
> strange case of case-conflicting files, and helping document projects
> that are developed on both Mac and (other) Unix "just work" without
> having to change anything.
> I felt it was better for the TeX world, overall, if such rare case
> conflicts were explicitly dealt with, one way or another, partly
> because these same problems *have always existed* on Windows. By
> dealing with the case conflicts, documents automatically become more
> portable.


> If the case conflicts were going to be common, I would have decided
> otherwise. But I believe your case is rare -- in practice, I think the
> only likely culprit is, like yours, a file in TEXMFHOME with
> a case-different name from one in TEXMFDIST. Not that many people use
> TEXMFHOME in the first place, let alone install style files with only
> a case change from a standard name.

Right, again :)

> If it turns out to be too painfully common, we can always change the
> default.


>     They are so much powerful? ;)
> Evidently so :(. -k


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