bug#22107: this-command-keys no longer returns prefix argument

[Kaushal Modi]

On Wed, May 11, 2016, 10:22 AM Stefan MonnierOnonnier@iro.umontreal.ca> wrote:

You mean, are this-command-keys-vector and this-single-command-keys
100% equivalent all the time?  I wish I was able to give you an answer.
They appear to be

At this point it is a documentation bug. this-command-keys and this-single-command-keys are equivalent. But the documentaion still says that this-single-command-keys does not return prefix argument unlike this-command-keys. In fact, none of them return the prefix arg.

So 

(1) The docstring of this-single-command-keys needs to be fixed.

(2) NEWS also needs to mention that this-command-keys no longer returns prefix arg. 

Going forward (not for this bug or emacs-25): If someone can review that this-command-keys-vector and this-single-command-keys are ACTUALLY the same, can then this-single-command-keys be marked obsolete and an alias to the other for the next release? If that seems like the next action, I can file a separate bug report for that.

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Kaushal Modi