From: Fred Drake <fdrake@acm.org>
Date: Wed, 7 Aug 2002 15:41:31 +0000 (+0000)
Subject: Clarify that the bool instances are acceptable return values from
X-Git-Tag: v2.2.2b1~237
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=18f8ade7ad654a3492a11500ea4bf452537a60c7;p=thirdparty%2FPython%2Fcpython.git

Clarify that the bool instances are acceptable return values from
__nonzero__(), in response to SF bug #579991.
---

diff --git a/Doc/lib/libstdtypes.tex b/Doc/lib/libstdtypes.tex
index 911999e748d6..31862f7c8e8b 100644
--- a/Doc/lib/libstdtypes.tex
+++ b/Doc/lib/libstdtypes.tex
@@ -28,7 +28,10 @@ The following values are considered false:
 \begin{itemize}
 
 \item	\code{None}
-	\withsubitem{(Built-in object)}{\ttindex{None}}
+        \withsubitem{(Built-in object)}{\ttindex{None}}
+
+\item   \code{False}
+        \withsubitem{(Built-in object)}{\ttindex{False}}
 
 \item	zero of any numeric type, for example, \code{0}, \code{0L},
         \code{0.0}, \code{0j}.
@@ -38,8 +41,9 @@ The following values are considered false:
 \item	any empty mapping, for example, \code{\{\}}.
 
 \item	instances of user-defined classes, if the class defines a
-	\method{__nonzero__()} or \method{__len__()} method, when that
-	method returns the integer zero.\footnote{Additional
+        \method{__nonzero__()} or \method{__len__()} method, when that
+        method returns the integer zero or \class{bool} value
+        \code{False}.\footnote{Additional 
 information on these special methods may be found in the
 \citetitle[../ref/ref.html]{Python Reference Manual}.}