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bug#40180: 27.0.90; cl-concatenate returns wrong result


From: Eli Zaretskii
Subject: bug#40180: 27.0.90; cl-concatenate returns wrong result
Date: Sun, 22 Mar 2020 15:57:22 +0200

> From: Noam Postavsky <address@hidden>
> Date: Sun, 22 Mar 2020 07:53:31 -0400
> Cc: Joost Kremers <address@hidden>, address@hidden
> 
> Stephen Berman <address@hidden> writes:
> 
> > Similarly, (cl-concatenate 'vector '[a b c] '[d e f]) returns `[[a b c]
> > [d e f]]' and worse, (cl-concatenate 'string "abc" "def") raises the
> > error: Wrong type argument: characterp, "abc".  This is because
> > cl-concatenate is now defined in terms of seq-concatenate, which is
> > defined by cl-defgeneric, which adds an extra pair of parens around the
> > SEQUENCES argument
> 
> I think the problem is just that cl-concatenate should call
> seq-concatenate with apply.

Thanks, please push this to the emacs-27 branch.





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