Lintian tag information: no-debian-changes (type: warning)

Description (from lintian-explain-tags)

This non-native package makes no changes to the upstream sources in the
Debian-related files.

Maybe a mistake was made when the upstream tarball was created, or maybe
this package is really a native package but was built non-native by
mistake.

Debian packaging is sometimes maintained as part of upstream, but that is
not recommended as best practice. Please make this package native, if the
software is only for Debian. Otherwise, please remove the debian directory
from upstream releases and add it in the Debian packaging.

Format 1.0 packages are subject to the restriction that the diff cannot
remove files from the debian directory. For Format 3.0 packages, the
debian directory is automatically purged during unpacking.

Visibility: warning
Show-Always: no
Check: files/artifact
Renamed from: empty-debian-diff

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