Document the limitation that urllib does not work with proxies which

freddrake · freddrake · commit aef0e890b52d · 2000-08-31T17:23:35.000Z
require authenication. This is an implementation limitation rather than required behavior, and may be fixed in the future. This closes SourceForge bug #111725.
diff --git a/Doc/lib/liburllib.tex b/Doc/lib/liburllib.tex
@@ -62,11 +62,12 @@ \section{\module{urllib} ---
 must in standard \file{application/x-www-form-urlencoded} format;
 see the \function{urlencode()} function below.
 
-The \function{urlopen()} function works transparently with proxies.
-In a \UNIX{} or Windows environment, set the \envvar{http_proxy},
-\envvar{ftp_proxy} or \envvar{gopher_proxy} environment variables to a
-URL that identifies the proxy server before starting the Python
-interpreter.  For example (the \character{\%} is the command prompt):
+The \function{urlopen()} function works transparently with proxies
+whicd do not require authentication.  In a \UNIX{} or Windows
+environment, set the \envvar{http_proxy}, \envvar{ftp_proxy} or
+\envvar{gopher_proxy} environment variables to a URL that identifies
+the proxy server before starting the Python interpreter.  For example
+(the \character{\%} is the command prompt):
 
 \begin{verbatim}
 % http_proxy="http://www.someproxy.com:3128"
@@ -78,6 +79,9 @@ \section{\module{urllib} ---
 In a Macintosh environment, \function{urlopen()} will retrieve proxy
 information from Internet\index{Internet Config} Config.
 
+Proxies which require authentication for use are not currently
+supported; this is considered an implementation limitation.
+
 The \function{urlopen()} function works transparently with proxies.
 In a \UNIX{} or Windows environment, set the \envvar{http_proxy},
 \envvar{ftp_proxy} or \envvar{gopher_proxy} environment variables to a
