Re: [GNU-linux-libre] [Parabola] TeXLive auditing

[Michał Masłowski]

> % This macro file belongs to the public domain
> % under the conditions specified by the author of TeX:
> %
> %   ``Macro files like PLAIN.TEX should not be changed in any way,
> %     except with respect to preloaded fonts,
> %     unless the changes are authorized by the authors of the macros.''
> %
> %                                           Donald E. Knuth
> %
> % For details see MEXINFO.ENG or MEXINFO.POL.
[...]
> plain.tex cannot be changed
>
> but if you rename as plain-pepito.tex is everything ok

"Cannot be changed" usually doesn't mean "can be changed only into a
differently named file".  Many other files explicitly state that
changing is allowed when the file is renamed.

It's not an important issue, since MEXINFO.ENG has selling or
modification restrictions:

> The MeX package belongs to the public domain.
>
> The MeX package may only be distributed in unchanged and complete form
> including the files MEXINFO.ENG and MEXINFO.POL.
> All the files constituting the MeX package are listed in the chapters
> ``Files'' and ``PL Fonts'' below.
>
> Anyone who distributes the MeX package must obey one of the following
> rules:
>      1. there is no charge for distribution
> or   2. the payment for the distribution of one diskette
>         is not greater than the price of this diskette;
>         in this case the distributor must make clear
>         that this is a handling fee, not a license fee or purchase fee.
>
> This package is distributed with no warranty of any sort.
> The authors accept no responsibility for the consequences of using this
> software.

It's incorrectly calling itself "public domain", unless the whole
following restrictions are false and the the Fedora page [0] is incorrect
that Polish public domain declarations are invalid.

[0] https://fedoraproject.org/wiki/Talk:Features/TeXLiveLegalAudit#Public_Domain

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