Marked keystrokes with the :kbd: role.
Fixed the case of the "Ctrl-" prefixes.
diff --git a/Doc/library/idle.rst b/Doc/library/idle.rst
index e64f683..ecc7115 100644
--- a/Doc/library/idle.rst
+++ b/Doc/library/idle.rst
@@ -330,8 +330,8 @@
 Editing and navigation
 ----------------------
 
-In this section, 'C' refers to the Control key on Windows and Unix and
-the Command key on Mac OSX.
+In this section, 'C' refers to the :kbd:`Control` key on Windows and Unix and
+the :kbd:`Command` key on Mac OSX.
 
 * :kbd:`Backspace` deletes to the left; :kbd:`Del` deletes to the right
 
diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst
index 021e3c8..e777937 100644
--- a/Doc/library/multiprocessing.rst
+++ b/Doc/library/multiprocessing.rst
@@ -957,7 +957,7 @@
 
 .. note::
 
-   If the SIGINT signal generated by Ctrl-C arrives while the main thread is
+   If the SIGINT signal generated by :kbd:`Ctrl-C` arrives while the main thread is
    blocked by a call to :meth:`BoundedSemaphore.acquire`, :meth:`Lock.acquire`,
    :meth:`RLock.acquire`, :meth:`Semaphore.acquire`, :meth:`Condition.acquire`
    or :meth:`Condition.wait` then the call will be immediately interrupted and
diff --git a/Doc/library/signal.rst b/Doc/library/signal.rst
index 29d56fc..fe7983b 100644
--- a/Doc/library/signal.rst
+++ b/Doc/library/signal.rst
@@ -77,7 +77,7 @@
 
 .. data:: CTRL_C_EVENT
 
-   The signal corresponding to the CTRL+C keystroke event. This signal can
+   The signal corresponding to the :kbd:`Ctrl+C` keystroke event. This signal can
    only be used with :func:`os.kill`.
 
    Availability: Windows.
@@ -87,7 +87,7 @@
 
 .. data:: CTRL_BREAK_EVENT
 
-   The signal corresponding to the CTRL+BREAK keystroke event. This signal can
+   The signal corresponding to the :kbd:`Ctrl+Break` keystroke event. This signal can
    only be used with :func:`os.kill`.
 
    Availability: Windows.
diff --git a/Doc/library/ttk.rst b/Doc/library/ttk.rst
index 6cab3e0..ad4aa92 100644
--- a/Doc/library/ttk.rst
+++ b/Doc/library/ttk.rst
@@ -544,9 +544,9 @@
       This will extend the bindings for the toplevel window containing the
       notebook as follows:
 
-      * Control-Tab: selects the tab following the currently selected one.
-      * Shift-Control-Tab: selects the tab preceding the currently selected one.
-      * Alt-K: where K is the mnemonic (underlined) character of any tab, will
+      * :kbd:`Control-Tab`: selects the tab following the currently selected one.
+      * :kbd:`Shift-Control-Tab`: selects the tab preceding the currently selected one.
+      * :kbd:`Alt-K`: where *K* is the mnemonic (underlined) character of any tab, will
         select that tab.
 
       Multiple notebooks in a single toplevel may be enabled for traversal,
diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
index 41478f3..5e3bd1c 100644
--- a/Doc/library/unittest.rst
+++ b/Doc/library/unittest.rst
@@ -226,8 +226,8 @@
 
 .. cmdoption:: -c, --catch
 
-   Control-C during the test run waits for the current test to end and then
-   reports all the results so far. A second control-C raises the normal
+   :kbd:`Control-C` during the test run waits for the current test to end and then
+   reports all the results so far. A second :kbd:`Control-C` raises the normal
    :exc:`KeyboardInterrupt` exception.
 
    See `Signal Handling`_ for the functions that provide this functionality.