Added some more versionchanged markup.

Doc/lib/liblogging.tex

@@ -229,6 +229,9 @@ in many contexts, and interesting conditions which arise are dependent on this
 context (such as remote client IP address and authenticated user name, in the
 above example). In such circumstances, it is likely that specialized
 \class{Formatter}s would be used with particular \class{Handler}s.
+
+\versionchanged[\var{extra} was added]{2.5}
+
 \end{funcdesc}
 
 \begin{funcdesc}{info}{msg\optional{, *args\optional{, **kwargs}}}
@@ -454,6 +457,9 @@ in many contexts, and interesting conditions which arise are dependent on this
 context (such as remote client IP address and authenticated user name, in the
 above example). In such circumstances, it is likely that specialized
 \class{Formatter}s would be used with particular \class{Handler}s.
+
+\versionchanged[\var{extra} was added]{2.5}
+
 \end{methoddesc}
 
 \begin{methoddesc}{info}{msg\optional{, *args\optional{, **kwargs}}}