Finish off the Platform header

Add entry to Posting-History
Use "the package" instead of "this package" at one point

pep-0241.txt

@@ -5,7 +5,7 @@ Author: A.M. Kuchling <amk1@bigfoot.com>
 Type: Standards Track
 Created: 12-Mar-2001
 Status: Draft
-Post-History:
+Post-History: 19-Mar-2001
 
 Introduction
 
@@ -70,13 +70,19 @@ Fields
       
     Platform (multiple use)
 
-      A (XXX whitespace?  comma?)-separated list of platform
-      specifications.  Platform specifications are limited to the
-      following list:
+      A comma-separated list of platform specifications, summarizing
+      the operating systems supported by the package.  The major
+      supported platforms are listed below, but this list is
+      necessarily incomplete.
 
-      XXX copy list from PPD?  SourceForge?
+            POSIX, MacOS, Windows, BeOS, PalmOS.
 
-      Example: 'XXX'
+      Binary distributions will use the Supported-Platform field in
+      their metadata to specify the OS and CPU for which the binary
+      package was compiled.  The semantics of the Supported-Platform
+      are not specified in this PEP.
+
+      Example: 'Platform: POSIX, Windows'
       
     Summary
 
@@ -100,7 +106,7 @@ Fields
     Keywords (optional)
 
       A list of additional keywords to be used to assist searching
-      for this package in a larger catalog.
+      for the package in a larger catalog.
 
       Example: 'Keywords: dog puppy voting election'