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Hello,

There is a signing issue on Debian repo. I follow the instruction at
https://www.texmacs.org/tmweb/download/linux-repos.en.html#debian and when I
run `apt update`, I get

> Warning: OpenPGP signature verification failed:
https://ftp.texmacs.org/TeXmacs/tmftp/repos/apt trixie InRelease: Sub-
process /usr/bin/sqv returned an error code (1), error message is: Signing key
on 129FDE27280D2D8EF79E23958CADE14440A2D6D6 is not bound:            No
binding signature at time 2026-03-11T15:23:12Z   because: No binding signature
at time 2026-03-11T15:23:12Z

> Error: The repository 'http://ftp.texmacs.org/TeXmacs/tmftp/repos/apt trixie
InRelease' is not signed.

Best,