addition produces strange results when run with eval-last-sexp

[Joe Corneli]

emacs21 --no-site-file -q

minibuffer> M-: (+ 2 3)
5
buffer> (+ 2 3) M-x eval-last-sexp
5 = ?\C-e


In GNU Emacs 21.3.50.1 (powerpc-apple-darwin7.2.0, X toolkit)
 of 2004-01-31 on hope-of-a-stone.local
configured using `configure '--prefix=/sw' '--without-carbon' '--with-x' 
'--with-x-toolkit=lucid' '--without-toolkit-scroll-bars' '--without-gif' 
'--infodir=${prefix}/share/info' '--mandir=${prefix}/share/man' 
'--libexecdir=${prefix}/lib' 'CPPFLAGS=-I/sw/include' 'LDFLAGS=-L/sw/lib''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: nil
  locale-coding-system: nil
  default-enable-multibyte-characters: nil