Add a note that divmod() with complex numbers is deprecated.
diff --git a/Doc/lib/libfuncs.tex b/Doc/lib/libfuncs.tex
index 6ac17d1..dbd3d55 100644
--- a/Doc/lib/libfuncs.tex
+++ b/Doc/lib/libfuncs.tex
@@ -259,6 +259,9 @@
   \var{b} + \var{a} \%{} \var{b}} is very close to \var{a}, if
   \code{\var{a} \%{} \var{b}} is non-zero it has the same sign as
   \var{b}, and \code{0 <= abs(\var{a} \%{} \var{b}) < abs(\var{b})}.
+
+  \versionchanged[Using \function{divmod()} with complex numbers is
+                  deprecated]{2.3}
 \end{funcdesc}
 
 \begin{funcdesc}{enumerate}{iterable}