[Pkg-erlang-devel] Bug#1145497: Bug#1145497: erlang: copyright file incomplete; contains probably non-free font

[Lukas Backström]

Hello Bastian and Sergei!

That font is vendored into ExDoc and was vendored before the recent change
to the license of Remix Icons. So they still fall under Apache 2.0.

I filed an issue with ExDoc to make this clear and possibly migrate away
from Remix Icons in future updates so that they don't use icons under the
not-as-free-but-still-pretty-free license.

https://github.com/elixir-lang/ex_doc/issues/2262

Lukas

On Tue, Aug 25, 2026 at 3:17 PM Sergei Golovan <sgolovan at gmail.com> wrote:

> Hi Bastian,
>
> On Tue, Aug 25, 2026 at 3:43 PM Bastian Germann <bage at debian.org> wrote:
> >
> > Package: erlang
> > Version: 1:29.0.4+dfsg-1
> > Severity: serious
> >
> > Please document all of the contained files' licenses. There are several
> > fonts contained that I cannot find in your copyright file.
> >
> > remixicon-NKANDIL5.woff2 is probably under a non-free license and has to
> > be excluded.
>
> This font comes from the elixir-ex-doc package, it is used for displaying
> a few
> icons in the generated documentation for Erlang. So, I think this bug
> should be
> addressed to elixir-ex-doc and not to erlang.
>
> The font is generated from icons from https://remixicon.com/
> The icons have the following license:
> https://github.com/Remix-Design/remixicon/blob/master/License
> It permits personal and commercial use of icons, including
> modification and redistribution.
> But it prohibits reselling the icons themselves and using them for
> branding, which is likely makes
> them non-free. So looks like I'd have to replace this font by some
> other one with similar icons,
> or may be the font is free enough to use it as is (with proper licence
> documenting in elixir-ex-doc).
>
> Cheers!
> --
> Sergei Golovan
>
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