When I am running in tmux and use
C-b ?, I can get a list of all the commands.
However, I observe that some commands are bind-key, followed by the command, and others are bind-key -r, followed by the command.
I did quite a bit of searching, but couldn't find documentation that explained the difference.
Best Answer
Quoting the TMUX(1) manpage:
And a quick search for
repeat-time
yields this: