bug#39912: 27.0.90; Probably introduced at or before Emacs version ...

[Felician Nemeth]

"C-h f describe-function RET" provides a link to a NEWS file describing
the first mention of the given function (describe-function in this
case).  However, when I follow the link, it opens the NEWS file in
modifiable mode.  I think it would be better to enable view-mode for the
NEWS file similarly to "C-h N".

(Additionally, I think this information is really useful, but it is less
important than the actual documentation of the function.  So, I'd like
to see the "Probably introduced at or before Emacs version ..." text a
bit later in the help buffer.)

Thanks.

In GNU Emacs 27.0.90 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.5)
 of 2020-03-04 built on betli
Repository revision: db37dd2e84573ceb2fc037dab040b79880ca298c
Repository branch: emacs-27
Windowing system distributor 'The X.Org Foundation', version 11.0.12004000
System Description: Debian GNU/Linux 10 (buster)