Merged revisions 58401,58412 via svnmerge from
https://svn.boost.org/svn/boost/trunk
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r58401 | eric_niebler | 2009-12-16 09:29:09 +1100 (Wed, 16 Dec 2009) | 1 line
more appropriate use of ellipses when a really bad conversion sequence is needed
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r58412 | eric_niebler | 2009-12-16 21:30:40 +1100 (Wed, 16 Dec 2009) | 1 line
fix BOOST_PROTO_EXTENDS to work with elaborated types
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