doc/go1.21: add heading for cmp package

For #59488.
For #58645.

Change-Id: Ia9b76d49825dd74f7e52d829ec6d47e6c2addd76
Reviewed-on: https://go-review.googlesource.com/c/go/+/501825
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Bypass: Dmitri Shuralyov <dmitshur@google.com>

diff --git a/doc/go1.21.html b/doc/go1.21.html
index 9f53f59c97d57c0fd4f930e19dfb91937b63ae4c..3c1d63467b6ecfa7dba0745bc5cf9a52b5607218 100644 (file)
--- a/doc/go1.21.html
+++ b/doc/go1.21.html
@@ -394,6 +394,8 @@ Do not send CLs removing the interior tags from such phrases.
   maps of any key or element type.
 </p>
 
+<h3 id="cmp">New cmp package</h3>
+
 <p><!-- https://go.dev/issue/59488, CL 469356 -->
   The new <a href="/pkg/cmp/">cmp</a> package defines the type
   constraint <a href="/pkg/cmp/#Ordered"><code>Ordered</code></a> and