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-rw-r--r--Doc/reference/compound_stmts.rst14
-rw-r--r--Doc/reference/expressions.rst18
2 files changed, 21 insertions, 11 deletions
diff --git a/Doc/reference/compound_stmts.rst b/Doc/reference/compound_stmts.rst
index 6889176..d0d0646 100644
--- a/Doc/reference/compound_stmts.rst
+++ b/Doc/reference/compound_stmts.rst
@@ -417,6 +417,9 @@ is equivalent to ::
statement.
+.. index::
+ single: parameter; function definition
+
.. _function:
.. _def:
@@ -478,11 +481,14 @@ is equivalent to ::
def func(): pass
func = f1(arg)(f2(func))
-.. index:: triple: default; parameter; value
+.. index::
+ triple: default; parameter; value
+ single: argument; function definition
-When one or more parameters have the form *parameter* ``=`` *expression*, the
-function is said to have "default parameter values." For a parameter with a
-default value, the corresponding argument may be omitted from a call, in which
+When one or more :term:`parameters <parameter>` have the form *parameter* ``=``
+*expression*, the function is said to have "default parameter values." For a
+parameter with a default value, the corresponding :term:`argument` may be
+omitted from a call, in which
case the parameter's default value is substituted. If a parameter has a default
value, all following parameters up until the "``*``" must also have a default
value --- this is a syntactic restriction that is not expressed by the grammar.
diff --git a/Doc/reference/expressions.rst b/Doc/reference/expressions.rst
index e9bf5c5..f88709e 100644
--- a/Doc/reference/expressions.rst
+++ b/Doc/reference/expressions.rst
@@ -637,17 +637,18 @@ upper bound and stride, respectively, substituting ``None`` for missing
expressions.
+.. index::
+ object: callable
+ single: call
+ single: argument; call semantics
+
.. _calls:
Calls
-----
-.. index:: single: call
-
-.. index:: object: callable
-
-A call calls a callable object (e.g., a function) with a possibly empty series
-of arguments:
+A call calls a callable object (e.g., a :term:`function`) with a possibly empty
+series of :term:`arguments <argument>`:
.. productionlist::
call: `primary` "(" [`argument_list` [","] | `comprehension`] ")"
@@ -665,11 +666,14 @@ of arguments:
A trailing comma may be present after the positional and keyword arguments but
does not affect the semantics.
+.. index::
+ single: parameter; call semantics
+
The primary must evaluate to a callable object (user-defined functions, built-in
functions, methods of built-in objects, class objects, methods of class
instances, and all objects having a :meth:`__call__` method are callable). All
argument expressions are evaluated before the call is attempted. Please refer
-to section :ref:`function` for the syntax of formal parameter lists.
+to section :ref:`function` for the syntax of formal :term:`parameter` lists.
.. XXX update with kwonly args PEP