The expression list in inheritance is not optional. Fixes #960448.

diff --git a/Doc/ref/ref7.tex b/Doc/ref/ref7.tex
index 346dce07c28fd8a72c6a577f45674c3a4375a93b..1c6d3691a918861f3b6a551acbcbfe245ab7a8c3 100644 (file)
--- a/Doc/ref/ref7.tex
+++ b/Doc/ref/ref7.tex
@@ -412,7 +412,7 @@ A class definition defines a class object (see section~\ref{types}):
              {"class" \token{classname} [\token{inheritance}] ":"
               \token{suite}}
   \production{inheritance}
-             {"(" [\token{expression_list}] ")"}
+             {"(" \token{expression_list} ")"}
   \production{classname}
              {\token{identifier}}
 \end{productionlist}