Comment 4 for bug 2002871

I've pushed the changes to my git
https://git.launchpad.net/~zhsj/+git/pkgbinarymangler/commit/?id=7471627fdea19c4a3f067a702c74d89e7e11a4a9

pkgbinarymangler (152) lunar; urgency=medium

  * pkgstripfiles: no longer strip debian changelog.
    It's now enabled by default in debhelper >= 13.10. But debhelper
    strips debian changelog for PPA as well.

Please take a look. But we may need a decision first.