From d5b9e015bc1d74b8b033d5a835eb07bbfbd96d13 Mon Sep 17 00:00:00 2001
From: Terry Jan Reedy <tjreedy@udel.edu>
Date: Wed, 28 Apr 2021 00:30:31 -0400
Subject: [PATCH 1/3] bpo-37892: Use space indents in IDLE Shell

Adding a newline to the prompt moves it out of the way of
user code input, which now starts at the left margin,
along with continuation lines.
---
 Lib/idlelib/pyshell.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Lib/idlelib/pyshell.py b/Lib/idlelib/pyshell.py
index 0ee2254807fe8f6..e46c6b2cc19d998 100755
--- a/Lib/idlelib/pyshell.py
+++ b/Lib/idlelib/pyshell.py
@@ -873,11 +873,11 @@ def __init__(self, flist=None):
 
         OutputWindow.__init__(self, flist, None, None)
 
-        self.usetabs = True
+        self.usetabs = False
         # indentwidth must be 8 when using tabs.  See note in EditorWindow:
-        self.indentwidth = 8
+        self.indentwidth = 4
 
-        self.sys_ps1 = sys.ps1 if hasattr(sys, 'ps1') else '>>> '
+        self.sys_ps1 = sys.ps1 if hasattr(sys, 'ps1') else '>>>\n'
         self.prompt_last_line = self.sys_ps1.split('\n')[-1]
         self.prompt = self.sys_ps1  # Changes when debug active
 

From 5a67bceb468e7908c1184385d27cd5801395c925 Mon Sep 17 00:00:00 2001
From: Terry Jan Reedy <tjreedy@udel.edu>
Date: Thu, 29 Apr 2021 02:50:35 -0400
Subject: [PATCH 2/3] Add blurb and idlelib NEW items.

---
 Misc/NEWS.d/next/IDLE/2021-04-29-02-40-41.bpo-37892.bgW2fk.rst | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 Misc/NEWS.d/next/IDLE/2021-04-29-02-40-41.bpo-37892.bgW2fk.rst

diff --git a/Misc/NEWS.d/next/IDLE/2021-04-29-02-40-41.bpo-37892.bgW2fk.rst b/Misc/NEWS.d/next/IDLE/2021-04-29-02-40-41.bpo-37892.bgW2fk.rst
new file mode 100644
index 000000000000000..c8bb84bb4004131
--- /dev/null
+++ b/Misc/NEWS.d/next/IDLE/2021-04-29-02-40-41.bpo-37892.bgW2fk.rst
@@ -0,0 +1 @@
+Indent IDLE Shell input with spaces instead of tabs

From 1b1cb4a106dc0917a8b09243d641c48e0f5bf1b0 Mon Sep 17 00:00:00 2001
From: Terry Jan Reedy <tjreedy@udel.edu>
Date: Thu, 29 Apr 2021 02:53:25 -0400
Subject: [PATCH 3/3] Include idlelib NEWS.

---
 Lib/idlelib/NEWS.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Lib/idlelib/NEWS.txt b/Lib/idlelib/NEWS.txt
index ca4280ff4cff8d2..83afe3ecac908ca 100644
--- a/Lib/idlelib/NEWS.txt
+++ b/Lib/idlelib/NEWS.txt
@@ -4,6 +4,13 @@ Released on 2021-10-04?
 =========================
 
 
+bpo-37892: Change Shell input indents from tabs to spaces.
+
+bpo-37903: Move the Shell input prompt to a side bar.
+
+bpo-43655: Make window managers on macOS and X Window recognize
+IDLE dialog windows as dialogs.
+
 bpo-43283: Document why printing to IDLE's Shell is often slower than
 printing to a system terminal and that it can be made faster by
 pre-formatting a single string before printing.