Add additional links and index entries for "argument" and "parameter".
This adds to the work done for issue #15990 (i.e. f44b8d69e5fc and the
commits referenced there).
diff --git a/Doc/faq/programming.rst b/Doc/faq/programming.rst
index 8e218c0..edee68a 100644
--- a/Doc/faq/programming.rst
+++ b/Doc/faq/programming.rst
@@ -469,6 +469,10 @@
apply(g, (x,)+args, kwargs)
+.. index::
+ single: argument; difference from parameter
+ single: parameter; difference from argument
+
.. _faq-argument-vs-parameter:
What is the difference between arguments and parameters?