From 2c84fc8a7daeffd02e334425e4b91ad425a57468 Mon Sep 17 00:00:00 2001
From: Jeremy Hylton <jeremy@alum.mit.edu>
Date: Fri, 23 Mar 2001 14:34:06 +0000
Subject: Note that assignments to __debug__ are illegal

---
 Doc/ref/ref6.tex | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Doc/ref/ref6.tex b/Doc/ref/ref6.tex
index d61165f..7212071 100644
--- a/Doc/ref/ref6.tex
+++ b/Doc/ref/ref6.tex
@@ -86,6 +86,8 @@ is requested at compile time.  Note that it is unnecessary to include
 the source code for the expression that failed in the error message;
 it will be displayed as part of the stack trace.
 
+Assignments to \code{__debug__} are illegal.  The value for the
+built-in variable is determined when the interpreter starts.
 
 \section{Assignment statements \label{assignment}}
 
-- 
cgit v0.12

