bug#48657: Defvar delimiter for dired-copy-filename-as-kill

[Lars Ingebrigtsen]

Stefan Kangas <stefan@marxist.se> writes:

> Sure, that's another alternative.  We would need to decide which type of
> quoting though, and I guess that will depend on what the user wants this
> for.  For example, the quoting rules will be subtly different if the
> user wants this for a shell script or for Emacs Lisp.  It seems
> non-trivial to me.

I think the best we can get at here is something DWIM-ish -- presumably
the most useful thing here is to do some quoting of files containing
spaces, so I've done that in Emacs 29.

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