Add more entries to the glossary.
Written by Jeff Wheeler for GHOP.
diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst
index 5669e35..f9c7f29 100644
--- a/Doc/library/sys.rst
+++ b/Doc/library/sys.rst
@@ -86,9 +86,9 @@
If *value* is not ``None``, this function prints it to ``sys.stdout``, and saves
it in ``__builtin__._``.
- ``sys.displayhook`` is called on the result of evaluating an expression entered
- in an interactive Python session. The display of these values can be customized
- by assigning another one-argument function to ``sys.displayhook``.
+ ``sys.displayhook`` is called on the result of evaluating an :term:`expression`
+ entered in an interactive Python session. The display of these values can be
+ customized by assigning another one-argument function to ``sys.displayhook``.
.. function:: excepthook(type, value, traceback)
@@ -617,12 +617,12 @@
File objects corresponding to the interpreter's standard input, output and error
streams. ``stdin`` is used for all interpreter input except for scripts but
including calls to :func:`input` and :func:`raw_input`. ``stdout`` is used for
- the output of :keyword:`print` and expression statements and for the prompts of
- :func:`input` and :func:`raw_input`. The interpreter's own prompts and (almost
- all of) its error messages go to ``stderr``. ``stdout`` and ``stderr`` needn't
- be built-in file objects: any object is acceptable as long as it has a
- :meth:`write` method that takes a string argument. (Changing these objects
- doesn't affect the standard I/O streams of processes executed by
+ the output of :keyword:`print` and :term:`expression` statements and for the
+ prompts of :func:`input` and :func:`raw_input`. The interpreter's own prompts
+ and (almost all of) its error messages go to ``stderr``. ``stdout`` and
+ ``stderr`` needn't be built-in file objects: any object is acceptable as long
+ as it has a :meth:`write` method that takes a string argument. (Changing these
+ objects doesn't affect the standard I/O streams of processes executed by
:func:`os.popen`, :func:`os.system` or the :func:`exec\*` family of functions in
the :mod:`os` module.)