diff --git a/Doc/myformat.sty b/Doc/myformat.sty
index 79938d1..0f99527 100644
--- a/Doc/myformat.sty
+++ b/Doc/myformat.sty
@@ -74,6 +74,8 @@
 \newcommand{\stindex}[1]{\indexii{statement}{#1@{\tt#1}}}
 \newcommand{\kwindex}[1]{\indexii{keyword}{#1@{\tt#1}}}
 \newcommand{\opindex}[1]{\indexii{operator}{#1@{\tt#1}}}
+\newcommand{\exindex}[1]{\indexii{exception}{#1@{\tt#1}}}
+\newcommand{\obindex}[1]{\indexii{object}{#1}}
 \newcommand{\bifuncindex}[1]{\index{#1@{\tt#1} (built-in function)}}
 
 % Add an index entry for a module