Link in Copyright Notices

[Kai Torben Ohlhus]

On 1/8/20 5:16 AM, Rik wrote:
> 
> [...] Below is the current format as taken from wilkinson.m.
> 
> ## Copyright (C) 1999-2020 The Octave Project Developers
> ##
> ## See the file COPYRIGHT.md in the top-level directory of this distribution
> ## or <https://octave.org/COPYRIGHT.html/>.
> ##
> 
> [...]
> 

@jwe: In your changeset you created all links
"https://octave.org/COPYRIGHT.html/"; with trailing slash.  Is that a typo?

Shall I add COPYRIGHT.md to the Octave homepage to make the link
"https://octave.org/COPYRIGHT.html"; part of the Jekyll-website, which
does not exist (404) yet?

Best,
Kai