Dear Serge,

attached the edited xml file for pwconv as discussed in our correspondence
2022-01-24 / 2022-01-27.

The question whether the two phrases

 "Some password aging information is lost by <command>pwunconv</command>.
 It will convert what it can."

are adequate/necessary remained open. Perhaps you edit them on your own.
is
converted

I was not aware of these details. I just read that pwunconv and
grpunconv delete the shadowed files as the last step of action. On the
other hand, the plain (main) files have just a field for the password,
but no field for password aging information. Therefore i concluded
that password aging information gets lost completely. (And therefore,

Best regards
Markus

Upstream would like to see your contributions in a specific format:

Alejandro wrote in https://github.com/shadow-maint/shadow/issues/1173

Please consider this request. The best way is to submit PRs to https://github.com/shadow-maint/shadow/pulls

If you really cannot do the PR route, you can also post git-send-email format
patches in the respective bug.

Thanks,
Chris

Upstream merged this.