Bug#1070695: server-control.html: ambiguous text bug bugs assigned to 2 packages

On Tue, 07 May 2024, Vincent Lefevre wrote:
> At https://www.debian.org/Bugs/server-control.en.html (coming from
> html/server-control.html.in in debbugs):
> 
>   The bug tracking system uses this information, in conjunction with
>   fixed versions recorded when closing bugs, to display lists of bugs
>   open in various versions of each package. It considers a bug to be
>   open when it has no fixed version, or when it has been found more
>   recently than it has been fixed.
> 
> But this text is ambiguous when a bug is assigned to 2 different
> packages and is marked as fixed in only one of these packages.

The reality is even more complex than this paragraph, because
found/fixed/absent is dependent on the DAG of package versions, not the
time of upload.

I should crib some text from one of my blog posts a few years ago about
this and add it to the documentation.