spec: fixed various example code snippets

Per suggestions by Peter Olsen (https://github.com/pto).

Fixes #11964.

Change-Id: Iae261ac14f75abf848f5601f59d7fe6e95b6805a
Reviewed-on: https://go-review.googlesource.com/13006
Reviewed-by: Ian Lance Taylor <iant@golang.org>

diff --git a/doc/go_spec.html b/doc/go_spec.html
index 14fa44c675955428df57f7ca8c9e8471f5a5f469..658891e08fa4ed8913d01ca501d9dbd5b557d19c 100644 (file)
--- a/doc/go_spec.html
+++ b/doc/go_spec.html
@@ -1,6 +1,6 @@
 <!--{
        "Title": "The Go Programming Language Specification",
-       "Subtitle": "Version of July 30, 2015",
+       "Subtitle": "Version of July 31, 2015",
        "Path": "/ref/spec"
 }-->
 
@@ -1918,7 +1918,7 @@ const (
 )
 
 func (tz TimeZone) String() string {
-       return fmt.Sprintf("GMT+%dh", tz)
+       return fmt.Sprintf("GMT%+dh", tz)
 }
 </pre>
 
@@ -2050,13 +2050,13 @@ a <a href="#Terminating_statements">terminating statement</a>.
 </p>
 
 <pre>
-func findMarker(c &lt;-chan int) int {
-       for i := range c {
-               if x := &lt;-c; isMarker(x) {
-                       return x
+func IndexRune(s string, r rune) int {
+       for i, c := range s {
+               if c == r {
+                       return i
                }
        }
-       // invalid: missing return statement.
+       // invalid: missing return statement
 }
 </pre>
 
@@ -2598,9 +2598,10 @@ p.x          // (*(*p).T0).x
 
 q.x          // (*(*q).T0).x        (*q).x is a valid field selector
 
-p.M2()       // p.M2()              M2 expects *T2 receiver
+p.M0()       // ((*p).T0).M0()      M0 expects *T0 receiver
 p.M1()       // ((*p).T1).M1()      M1 expects T1 receiver
-p.M0()       // ((&amp;(*p).T0)).M0()   M0 expects *T0 receiver, see section on Calls
+p.M2()       // p.M2()              M2 expects *T2 receiver
+t.M2()       // (&amp;t).M2()           M2 expects *T2 receiver, see section on Calls
 </pre>
 
 <p>