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elisp regexp, what does this mean?

From: heinz . eriksson
Subject: elisp regexp, what does this mean?
Date: Tue, 3 Mar 2009 00:22:48 -0800 (PST)
User-agent: G2/1.0

I am trying to understand what the following:

(defun erl-ie-eval-expression (node)
  (interactive (list (erl-ie-read-nodename)))
  (let ((end (point))
        (beg (save-excursion
               (loop do (re-search-backward "\\(\\`\\|^\\<\\)")
                     while (looking-at "end"))
    (erl-ie-evaluate beg end node t)))

Or rather the inner part involving the (scattered toothpick style)

It is a function in distel-ie.el in

I understand that the intent of the function is to grab a piece of
erlang source code and  pass it over for evaluation on the erlang
side. Doing so by starting from point and looking backward until...
yes, what/how?


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