Since it's not related to Perl you should mark the title as Off-Topic.

I don't know these features, but keystrokes in emacs are bound to commands (interactive functions) which you can call with M-x COMMAND-NAME

And if you call them explicitly via M-x , then emacs will tell you in the message area all available key-bindings for the next time.°

Another approach is typing C-h m = M-x describe-mode

It will list all major and minor modes in the current buffer together with all available key-bindings.

HTH! :)

update

°) another approach according to C-h C-h

w COMMAND   Display which keystrokes invoke the given command (where-is).

so C-h w COMMAND-NAME will do too

PS: C-h is usually also bound to F1 , hence F1 F1 will show you plenty of help options.

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