<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE library-reference PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN"
  "http://www.boost.org/tools/boostbook/dtd/boostbook.dtd">
<library-reference xmlns:xi="http://www.w3.org/2001/XInclude" 
                   last-revision="$Date$">
  <xi:include href="signal_header.xml"/>
  <xi:include href="slot.xml"/>
  <xi:include href="trackable.xml"/>
  <xi:include href="connection.xml"/>
  <xi:include href="visit_each.xml"/>
  <xi:include href="last_value.xml"/>
</library-reference>