GNU bug report logs - #47700
Backup options vs. file extensions

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From: =?utf-8?B?56mN5Li55bC8?= Dan Jacobson <jidanni@HIDDEN>
To: bug-coreutils@HIDDEN
Subject: Backup options vs. file extensions
Date: Fri, 09 Apr 2021 19:57:14 +0800
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(info "(coreutils) Backup options") is great, except,
it needs examples of how one can preserve file extension with it.

E.g., x.jpg~ messes up plenty of viewers, but x~.jpg is fine.
Same with numbered backups.

So the page should discuss this problem, and mention workarounds.