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From: | Glenn Morris |
Subject: | bug#15059: 24.3; nth with negative index values |
Date: | Fri, 09 Aug 2013 21:31:26 -0400 |
User-agent: | Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) |
Stefan Monnier wrote: >> Easy to raise an error (unless something was relying on the behaviour >> for -ve arguments?): > > We could try. But note that Emacs-19.34 already behaved like that (I > don't have any older version at hand to test). Not sure it's important > to "fix". Oh, the elisp manual actually documents the -ve argument case: -- Function: nth n list [...] If N is negative, `nth' returns the first element of LIST. [...] (nth -3 '(1 2 3 4)) => 1 All hope is lost!
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