doc: mention WriteHeapDump in 1.3 release notes
LGTM=r
R=khr, r
CC=golang-codereviews
https://golang.org/cl/103810044
diff --git a/doc/go1.3.html b/doc/go1.3.html
index b22443e..685d233 100644
--- a/doc/go1.3.html
+++ b/doc/go1.3.html
@@ -540,6 +540,12 @@
</li>
<li>
+The runtime/debug package now has a new function
+<a href="/pkg/runtime/debug/#WriteHeapDump"><code>debug.WriteHeapDump</code></a>
+that writes out a description of the heap.
+</li>
+
+<li>
The <a href="/pkg/strconv/#CanBackquote"><code>CanBackquote</code></a>
function in the <a href="/pkg/strconv/"><code>strconv</code></a> package
now considers the <code>DEL</code> character, <code>U+007F</code>, to be
