<li>coded in 100% pure Python, using the <aclass="reference internal"href="tkinter.html#module-tkinter"title="tkinter: Interface to Tcl/Tk for graphical user interfaces"><codeclass="xref py py-mod docutils literal notranslate"><spanclass="pre">tkinter</span></code></a> GUI toolkit</li>
<li>cross-platform: works mostly the same on Windows, Unix, and Mac OS X</li>
<li>cross-platform: works mostly the same on Windows, Unix, and macOS</li>
<li>Python shell window (interactive interpreter) with colorizing
of code input, output, and error messages</li>
<li>multi-window text editor with multiple undo, Python colorizing,
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@@ -128,7 +128,7 @@ which window type it is associated with.</p>
<p>Output windows, such as used for Edit => Find in Files, are a subtype of editor
window. They currently have the same top menu but a different
default title and context menu.</p>
<p>On MacOS, there is one application menu. It dynamically changes according
<p>On macOS, there is one application menu. It dynamically changes according
to the window currently selected. It has an IDLE menu, and some entries
described below are moved around to conform to Apple guidlines.</p>
@@ -304,7 +304,7 @@ access to locals and globals.</dd>
<dt>Configure IDLE</dt>
<dd><pclass="first">Open a configuration dialog and change preferences for the following:
fonts, indentation, keybindings, text color themes, startup windows and
size, additional help sources, and extensions (see below). On OS X,
size, additional help sources, and extensions (see below). On macOS,
open the configuration dialog by selecting Preferences in the application
menu. To use a new built-in color theme (IDLE Dark) with older IDLEs,
save it as a new custom theme.</p>
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@@ -349,7 +349,7 @@ on Help menu choices.</p>
</div>
<divclass="section"id="context-menus">
<spanid="index-4"></span><h3>Context Menus<aclass="headerlink"href="#context-menus"title="Permalink to this headline">¶</a></h3>
<p>Open a context menu by right-clicking in a window (Control-click on OS X).
<p>Open a context menu by right-clicking in a window (Control-click on macOS).
Context menus have the standard clipboard functions also on the Edit menu.</p>
<dlclass="docutils">
<dt>Cut</dt>
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@@ -399,7 +399,7 @@ and that other files do not. Run Python code with the Run menu.</p>
<divclass="section"id="key-bindings">
<h3>Key bindings<aclass="headerlink"href="#key-bindings"title="Permalink to this headline">¶</a></h3>
<p>In this section, ‘C’ refers to the <kbdclass="kbd docutils literal notranslate">Control</kbd> key on Windows and Unix and
the <kbdclass="kbd docutils literal notranslate">Command</kbd> key on Mac OSX.</p>
the <kbdclass="kbd docutils literal notranslate">Command</kbd> key on macOS.</p>
<ul>
<li><pclass="first"><kbdclass="kbd docutils literal notranslate">Backspace</kbd> deletes to the left; <kbdclass="kbd docutils literal notranslate">Del</kbd> deletes to the right</p>
</li>
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@@ -521,8 +521,8 @@ code interactively. IDLE’s Shell window also responds to the following keys.<
<p>Command history</p>
<ulclass="simple">
<li><kbdclass="kbd docutils literal notranslate">Alt-p</kbd> retrieves previous command matching what you have typed. On
OS X use <kbdclass="kbd docutils literal notranslate">C-p</kbd>.</li>
<li><kbdclass="kbd docutils literal notranslate">Alt-n</kbd> retrieves next. On OS X use <kbdclass="kbd docutils literal notranslate">C-n</kbd>.</li>
macOS use <kbdclass="kbd docutils literal notranslate">C-p</kbd>.</li>
<li><kbdclass="kbd docutils literal notranslate">Alt-n</kbd> retrieves next. On macOS use <kbdclass="kbd docutils literal notranslate">C-n</kbd>.</li>
<li><kbdclass="kbd docutils literal notranslate">Return</kbd> while on any previous command retrieves that command</li>
</ul>
</li>
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...
@@ -757,7 +757,7 @@ IDLE ships with four built-in key sets. In addition, a user can create a
custom key set in the Configure IDLE dialog under the keys tab.</p>
</div>
<divclass="section"id="idle-on-macos">
<h3>IDLE on MacOS<aclass="headerlink"href="#idle-on-macos"title="Permalink to this headline">¶</a></h3>
<h3>IDLE on macOS<aclass="headerlink"href="#idle-on-macos"title="Permalink to this headline">¶</a></h3>
<p>Under System Preferences: Dock, one can set “Prefer tabs when opening
documents” to “Always”. This setting is not compatible with the tk/tkinter
GUI framework used by IDLE, and it breaks a few IDLE features.</p>
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@@ -817,7 +817,7 @@ also used for testing.</p>
<li><aclass="reference internal"href="#help-and-preferences">Help and preferences</a><ul>