bpo-43283: Add IDLE doc paragraph about print speed (GH-24615)
Printing to IDLE's Shell is often slower than printing to a system
terminal, but it can be made faster by pre-formatting a single
string before printing.
diff --git a/Lib/idlelib/NEWS.txt b/Lib/idlelib/NEWS.txt
index 840fc62..30d5b2f 100644
--- a/Lib/idlelib/NEWS.txt
+++ b/Lib/idlelib/NEWS.txt
@@ -3,6 +3,10 @@
======================================
+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.
+
bpo-23544: Disable Debug=>Stack Viewer when user code is running or
Debugger is active, to prevent hang or crash. Patch by Zackery Spytz.