bpo-35054: Add yet more index entries for symbols. (GH-10121)
diff --git a/Doc/library/ast.rst b/Doc/library/ast.rst
index 97ce2f5..2883f3c 100644
--- a/Doc/library/ast.rst
+++ b/Doc/library/ast.rst
@@ -41,6 +41,9 @@
with alternatives (aka "sums"), the left-hand side class is abstract: only
instances of specific constructor nodes are ever created.
+ .. index:: single: ? (question mark); in AST grammar
+ .. index:: single: * (asterisk); in AST grammar
+
.. attribute:: _fields
Each concrete class has an attribute :attr:`_fields` which gives the names