I have a key sequence for C-u C-c . How would I find the function that's bound to it. I thought it was describe-key but that doesn't seem to work.


  • It is describe-key that is bound to C-h k. Just type C-h k C-c .. C-u is the universal argument, a prefix. – adl Feb 16 '19 at 1:03
  • Trying to figure out how to get the org-mode-timestamp without hitting C-u C-c . – Justin Thomas Feb 16 '19 at 1:04
  • You should not use C-u in a binding. – adl Feb 16 '19 at 1:05
  • This looks like a near duplicate. – Drew Feb 16 '19 at 1:28

describe-key is bound to C-h k.

If you want to know the function bound to C-u C-c ., you should consider that C-u is a prefix to C-c . and use just C-h k C-c ..

In this case, C-h k C-c . tells you that C-c . runs the command org-time-stamp and it also tells you what it does when called with a prefix argument:

If the user specifies a time like HH:MM or if this command is called with at least one prefix argument, the time stamp contains the date and the time. Otherwise, only the date is included.

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