lugin is not appropriate for my blog post because
  it is nothing like SLIME.  In fact, the word "slime" in "vim-slime"
  is poorly chosen.  It supports none of the SLIME features.  It does
  not even provide the "connected REPL" experience like SLIME, Slimv,
  or Vlime does.  Here are the major reasons why vim-slime is very
  limited and insufficient as a Lisp development environment when
  compared to SLIME, Slimv, or Vlime:
</p>
<ol>
  <li>
    It does not understand s-expressions.  It can only send the
