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-rw-r--r--Doc/lib/liboperator.tex2
1 files changed, 2 insertions, 0 deletions
diff --git a/Doc/lib/liboperator.tex b/Doc/lib/liboperator.tex
index 5ac1b6d..fbe14f5 100644
--- a/Doc/lib/liboperator.tex
+++ b/Doc/lib/liboperator.tex
@@ -66,10 +66,12 @@ constructor.
\begin{funcdesc}{is_}{a, b}
Return \code{\var{a} is \var{b}}. Tests object identity.
+\versionadded{2.3}
\end{funcdesc}
\begin{funcdesc}{is_not}{a, b}
Return \code{\var{a} is not \var{b}}. Tests object identity.
+\versionadded{2.3}
\end{funcdesc}