From a9a49fe9625194395d9eb791de7c2674d7b6f8d8 Mon Sep 17 00:00:00 2001
From: Robert Griesemer <gri@golang.org>
Date: Wed, 12 Dec 2012 13:08:35 -0800
Subject: [PATCH] spec: calling delete on a nil map is a no-op

This is language change. It is a backward-compatible
change but for code that relies on a run-time panic
when calling delete on a nil map (unlikely).

Fixes #4253.

R=rsc, r, iant, ken, bradfitz, rogpeppe
CC=golang-dev
https://golang.org/cl/6909060
---
 doc/go_spec.html | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/doc/go_spec.html b/doc/go_spec.html
index 468fb3ad28..9e8aafa999 100644
--- a/doc/go_spec.html
+++ b/doc/go_spec.html
@@ -5104,9 +5104,8 @@ delete(m, k)  // remove element m[k] from map m
 </pre>
 
 <p>
-If the element <code>m[k]</code> does not exist, <code>delete</code> is
-a no-op. Calling <code>delete</code> with a nil map causes a
-<a href="#Run_time_panics">run-time panic</a>.
+If the map <code>m</code> is <code>nil</code> or the element <code>m[k]</code>
+does not exist, <code>delete</code> is a no-op.
 </p>
 
 
-- 
2.48.1