Issue #21138: Change default reformat paragraph width to PEP 8's 72.
diff --git a/Lib/idlelib/config-main.def b/Lib/idlelib/config-main.def
index 9546e2b..8f0fe76 100644
--- a/Lib/idlelib/config-main.def
+++ b/Lib/idlelib/config-main.def
@@ -59,7 +59,7 @@
encoding= none
[FormatParagraph]
-paragraph=70
+paragraph=72
[Indent]
use-spaces= 1
diff --git a/Misc/NEWS b/Misc/NEWS
index 581a4c7..fcdaabf 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -186,7 +186,9 @@
IDLE
----
-- Issue 21284: Paragraph reformat test passes after user changes reformat width.
+- Issue #21139: Change default paragraph width to 72, the PEP 8 recommendation.
+
+- Issue #21284: Paragraph reformat test passes after user changes reformat width.
- Issue #17654: Ensure IDLE menus are customized properly on OS X for
non-framework builds and for all variants of Tk.