bug#66902: 30.0.50; Recognize env -S/--split-string in shebangs

[Eli Zaretskii <eliz@gnu.org>]

> From: Kévin Le Gouguec <kevin.legouguec@gmail.com>
> Cc: 66902@debbugs.gnu.org
> Date: Sat, 18 Nov 2023 18:44:06 +0100
> 
> Kévin Le Gouguec <kevin.legouguec@gmail.com> writes:
> 
> > Eli Zaretskii <eliz@gnu.org> writes:
> >
> >> I'd prefer not to have rx required in files.el, so could you please
> >> rewrite those parts of your patch and resubmit?  Also, please add a
> >> NEWS entry about the change.  
> >
> > ACK; will get to it in the coming days.
> 
> s/days/hours/
> 
> I left a 'concat' in, because (a) it lets us interleave comments (b) the
> byte-compiler seems to smartly condense it all to one big string literal
> anyway.  (Though if files.el is preloaded, everything happens at
> build-time and the .elc does not matter much, IIUC?)
> 
> Let me know if we would prefer a plain raw string literal.
> 
> Added a NEWS entry (under § 'Changes in Emacs 30.1 / Miscellaneous',
> assuming 'master'); added a bug reference; squashed it all.

Thanks, installed on the master branch, and closing the bug.