bug#37485: 27.0.50; C-m in describe-bindings

[Lars Ingebrigtsen]

It's long annoyed med that `C-m' is described thusly by
describe-bindings:

C-c RET         Prefix Command

C-c RET C-c     mml-secure-message-encrypt
C-c RET C-e     mml-secure-message-sign-encrypt
C-c RET C-n     mml-unsecure-message
C-c RET C-p     Prefix Command
C-c RET C-s     mml-secure-message-sign
C-c RET C       Prefix Command
C-c RET P       mml-preview
C-c RET S       Prefix Command
C-c RET b       mml-attach-buffer
C-c RET c       Prefix Command

I know that `C-m' and RET is the same key binding, but I also think that
when this key is used as a prefix key, I don't think anybody has ever
wanted that to be RET instead of `C-m'.

Or is there a way to distinguish what we mean, somehow?


In GNU Emacs 27.0.50 (build 17, x86_64-pc-linux-gnu, GTK+ Version 3.24.5)
 of 2019-09-21 built on marnie
Repository revision: c61bfe0a3adab1a9fd0dc283cbf8291a78ed6da1
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.11902000
System Description: Debian GNU/Linux 10 (buster)

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   bloggy blog: http://lars.ingebrigtsen.no