Update changelog

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diff --git a/spec/chapters/changes.tex b/spec/chapters/changes.tex
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 \section{Changes Since Proposed Final Draft}
 
+\begin{itemize}
+\item Sections \ref{request_matching} and \ref{determine_response_type}: Q-values not used in \Consumes\ or \Produces.
+\item Chapter \ref{runtimedelegate}: Clarify that an implementation can supply an alternate \rd\ API class.
+\end{itemize}
+
 \section{Changes Since Public Review Draft}
 
 \begin{itemize}
diff --git a/spec/chapters/delegate.tex b/spec/chapters/delegate.tex
index 58052e2..459e930 100644
--- a/spec/chapters/delegate.tex
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@@ -1,4 +1,5 @@
 \chapter{Runtime Delegate}
+\label{runtimedelegate}
 
 \rd\ is an abstract factory class that provides various methods for the creation of objects that implement \jaxrs\ APIs. These methods are designed for use by other \jaxrs\ API classes and are not intended to be called directly by applications. \rd\ allows the standard \jaxrs\ API classes to use different \jaxrs\ implementations without any code changes.