factoring the specialized iterator adaptors

[SVN r19467]

doc/indirect_iterator.rst

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+ Indirect Iterator
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+
+:Author: David Abrahams, Jeremy Siek, Thomas Witt
+:Contact: dave@boost-consulting.com, jsiek@osl.iu.edu, witt@ive.uni-hannover.de
+:organization: `Boost Consulting`_, Indiana University `Open Systems
+               Lab`_, University of Hanover `Institute for Transport
+               Railway Operation and Construction`_
+:date: $Date$
+:copyright: Copyright Dave Abrahams, Jeremy Siek, and Thomas Witt 2003. All rights reserved
+
+.. _`Boost Consulting`: http://www.boost-consulting.com
+.. _`Open Systems Lab`: http://www.osl.iu.edu
+.. _`Institute for Transport Railway Operation and Construction`: http://www.ive.uni-hannover.de
+
+:abstract:
+
+.. include:: indirect_iterator_abstract.rst
+
+.. contents:: Table of Contents
+
+.. include:: indirect_iterator_ref.rst