go spec: update section on Implementation Differences

R=rsc, r
CC=golang-dev
https://golang.org/cl/4977046

diff --git a/doc/go_spec.html b/doc/go_spec.html
index 82c7ed419c6ded838c4aacd3d510ec8652ceb0c0..f46e2f87f0e3778cf541b3a1ad1cd139e992a7a1 100644 (file)
--- a/doc/go_spec.html
+++ b/doc/go_spec.html
@@ -1,5 +1,5 @@
 <!-- title The Go Programming Language Specification -->
-<!-- subtitle Version of July 14, 2011 -->
+<!-- subtitle Version of August 31, 2011 -->
 
 <!--
 TODO
@@ -5265,8 +5265,7 @@ The following minimal alignment properties are guaranteed:
 <h2 id="Implementation_differences">Implementation differences - TODO</h2>
 <ul>
        <li><code>len(a)</code> is only a constant if <code>a</code> is a (qualified) identifier denoting an array or pointer to an array.</li>
-       <li><code>nil</code> maps are not treated like empty maps.</li>
-       <li>Trying to send/receive from a <code>nil</code> channel causes a run-time panic.</li>
-       <li><code>unsafe.Alignof</code>, <code>unsafe.Offsetof</code>, and <code>unsafe.Sizeof</code> return an <code>int</code>.</li>
+       <li>In gccgo, <code>nil</code> maps are not treated like empty maps.</li>
+       <li>In gccgo, trying to send/receive from a <code>nil</code> channel causes a run-time panic.</li>
 </ul>
 </span>