Re: emacs-27 eebfb72 1/2: Document constant vs mutable objects better

[Richard Stallman]

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  > > Regarding comparing two equal floats, strings or lists by `eq', you warn
  > > about its undefinedness ("might not return nil") repeatedly, but can you
  > > give an actual example where (eq 1.2 1.2) or (eq "string" "string")
  > > returns non-nil in Elisp?

  > (eq "" "") => t.  You don't even have to compile.

I just evaluated (eq "string" "string") and got nil.

I think (eq "" "") is an exception.

-- 
Dr Richard Stallman
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
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