Fill in missing table entries.
diff --git a/Doc/lib/liboperator.tex b/Doc/lib/liboperator.tex
index 7bd66ea..5ac1b6d 100644
--- a/Doc/lib/liboperator.tex
+++ b/Doc/lib/liboperator.tex
@@ -48,7 +48,7 @@
The logical operations are also generally applicable to all objects,
-and support truth tests, identity tests, and Boolean operations:
+and support truth tests, identity tests, and boolean operations:
\begin{funcdesc}{not_}{o}
\funcline{__not__}{o}
@@ -328,6 +328,10 @@
{\code{or_(\var{a}, \var{b})}}
\lineiii{Exponentiation}{\code{\var{a} ** \var{b}}}
{\code{pow(\var{a}, \var{b})}}
+ \lineiii{Identity}{\code{\var{a} is \var{b}}}
+ {\code{is_(\var{a}, \var{b})}}
+ \lineiii{Identity}{\code{\var{a} is not \var{b}}}
+ {\code{is_not(\var{a}, \var{b})}}
\lineiii{Indexed Assignment}{\code{\var{o}[\var{k}] = \var{v}}}
{\code{setitem(\var{o}, \var{k}, \var{v})}}
\lineiii{Indexed Deletion}{\code{del \var{o}[\var{k}]}}