org-footnote renumbering

[Sharon Kimble]

In the org manual v9.3 on page 139 it explains how to renumber the
footnotes. I am presuming from reading it that it requires me to ````C-c
C-x r````.

But in my case that isn't working because I did have that key
combination set to 'org-mark-ring-goto'.

I have since reconfigured 'org-mark-ring-goto' to use 'C-c C-c r', but
how do I find what the default code-string for 'C-c C-x r' is please?
And then, how do I show it in my config please?

Thanks
  Sharon.  
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