bug#41097: 28.0.50; (dired-toggle-marks) not working after copy

[Jean Louis]

* Drew Adams <drew.adams@oracle.com> [2020-05-10 19:28]:
> The doc has always spoken of "flagging" only for the
> deletion mark, `D', and that mark is also called a
> "flag" (_the_ flag).  It is the only mark that has
> ever been called a "flag".  It flags a possible
> danger -- "Hey! Over here. Watch out."

Thanks, that gives me more clariy.

> It should always be about "flagging for deletion".
> This is important because deletion is consequential.
> That's presumably the reason for having always used
> a special term for `D' marks.
> 
> "Flag", in the Dired context, is like a red flag --
> a warning, of sorts: "Pay attention! This marking
> is particularly important."  That's also the reason
> we font-lock `D'-marked lines specially (red!).

It makes sense to me now. Thank you.

Jean