Added Mac OS X as news and supported platform.

Removed hint to wait for 0.5.4 (only Olin wants to have this, so drop it).

RELEASE

@@ -9,21 +9,6 @@ release 0.5.3.  (Emacs should display this document is in outline mode. Say
 c-h m for instructions on how to move through it by sections (e.g., c-c c-n,
 c-c c-p).)
 
-PLEASE NOTE:
-   We expect to rapidly upgrade this release to 0.5.4 within one or two
-   weeks. Please check the web site to see if this release has already
-   been superceded before installing.
-
-   This release is primarily to get experience building the new system on a
-   wide array of platforms. If you have problems building this release, please
-   check comp.lang.scheme.scsh for similar bug reports. If you don't see one
-   concerning your system, then please send us a bug report, with a
-   description of your system and a build trace. Post your bug report to
-   comp.lang.scheme.scsh as well, so others won't flood us with a similar
-   bug report.
-   
-   That all said, the system works fine for us!
-
 * Contents
 ==========
 What is scsh
@@ -36,6 +21,7 @@ The World-Wide What?
 New in this release
   Scsh is now "open source."
   Scsh is now on Win32
+  Scsh is now on Mac OS X
   CVS repository will be public-readable
   New char-sets and char-set operations
   New regular expression system
@@ -121,6 +107,7 @@ Unix platforms. We currently have scsh implementations for:
     SunOS
     Ultrix
     Win32
+    Darwin/Mac OS X
 
 Scsh code should run without change across these systems.
 Porting to new platforms is usually not difficult.
@@ -188,6 +175,10 @@ We now manage the project using SourceForge:
    from:
    http://sourceware.cygnus.com/cygwin/
 
+** Scsh is now on Mac OS X
+   Scsh does now support Darwin and thus Mac OS X. This was simply
+   achived by treating Darwin as a BSD platform.
+
 ** CVS repository is now publically accessable
    The scsh sources have moved to scsh.sourceforge.net, and the
    the CVS repository is publically readable. Here's the magic: