Bring PEP up to date, and emphasise that 'from module import name' now

follows the 'global' directive, but 'from module import *' does not. Mark as
'Final'.

pep-0221.txt

@@ -2,7 +2,7 @@ PEP: 221
 Title: Import As
 Version: $Revision$
 Author: thomas@xs4all.net (Thomas Wouters)
-Status: Accepted
+Status: Final
 Type: Standards Track
 Python-Version: 2.0
 Created: 15-Aug-2000
@@ -60,8 +60,10 @@ Rationale
     
         import os.path as p
 
-    should store `os.path', not `os', in `p'.  The current
-    implementation does not yet support this.
+    stores `os.path', not `os', in `p'.  This makes it effectively the
+    same as
+    
+        from os import path as p
 
 
 Implementation details
@@ -74,18 +76,21 @@ Implementation details
     *' behaviour, and changes the behaviour of the IMPORT_FROM
     bytecode so that it loads the requested name (which is always a
     single name) onto the stack, to be subsequently stored by a STORE
-    opcode.
+    opcode. As a result, all names explicitly imported now follow the
+    `global' directives.
 
     The special case of `from module import *' remains a special case,
     in that it cannot accomodate an `as' clause, and that no STORE
     opcodes are generated; the objects imported are loaded directly
-    into the local namespace.
+    into the local namespace. This also means that names imported in
+    this fashion are always local, and do not follow the `global'
+    directive.
     
     An additional change to this syntax has also been suggested, to
     generalize the expression given after the `as' clause.  Rather
     than a single name, it could be allowed to be any expression that
     yields a valid l-value; anything that can be assigned to.  The
-    change to accomodate this is minimal, as the patch proves[2], and
+    change to accomodate this is minimal, as the patch[2] proves, and
     the resulting generalization allows a number of new constructs
     that run completely parallel with other Python assignment
     constructs. However, this idea has been rejected by Guido, as