Update to upstream version '4.8.0+dfsg'
with Debian dir 3680fdb5bf76e4587506b2c568b86295e7950062

This hack requires debhelper v11 or later.

Update to upstream version '4.7.0+dfsg'
with Debian dir 23451461e6b349ca204902ca4384a06b56c47de8

* Set debhelper-compat version in Build-Depends.

Fixes lintian: uses-debhelper-compat-file
See https://lintian.debian.org/tags/uses-debhelper-compat-file.html for more details.

* Set upstream metadata fields: Repository, Repository-Browse.

Fixes lintian: upstream-metadata-file-is-missing
See https://lintian.debian.org/tags/upstream-metadata-file-is-missing.html for more details.

It works well without this patch.

I think it seems well for latest standard.

Update to upstream version '4.6.0+dfsg'
with Debian dir eaefe82b5c17eb6e8efa513e1431f3dc358e9604

gzip(1) deprecates this style environment variables.

Source archive is too big to discard.
Keep it while processing.

Add myself to maintainer.
Thanks to Norbert and his approval.

Debian package builder already sets hardening options.