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bug#25929: 25.2; map-delete doesn't delete permanently 1st alist elt


From: Michael Heerdegen
Subject: bug#25929: 25.2; map-delete doesn't delete permanently 1st alist elt
Date: Sat, 04 Mar 2017 01:16:46 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux)

Michael Heerdegen <address@hidden> writes:

> With other words, I would fix this issue by altering the docstring
> ("return the result" instead of "return MAP")

When the MAP is an alist with only one entry, the return value will be
something different than MAP anyway (a cons cannot be altered to become
nil) - unless we look at "MAP" as a place expression and rewrite the
thing accordingly.  I don't think that is necessary.


Michael.





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