From: avi@...4.com (Avi Bryant)
Date: 2004-02-01T09:14:52+09:00
Subject: Re: Save the flip/flop op!

I wrote:

  def from(start_cond, end_cond)
      @in_range = true if start_cond
      yield
      @in_range = false if end_cond
   end

Ack.  That should be "yield if @in_range", of course.