From 34de30a3ab3ec917222972aa988f6ab9d990bdbe Mon Sep 17 00:00:00 2001
From: Rob Pike <r@golang.org>
Date: Wed, 15 Apr 2009 20:51:17 -0700
Subject: tweak grammar and associated prose to permit things like x.y in range
 clauses.

R=rsc
DELTA=5  (3 added, 0 deleted, 2 changed)
OCL=27536
CL=27540
---
 doc/go_spec.html | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/doc/go_spec.html b/doc/go_spec.html
index 9d8d2b4e0..e788050b1 100644
--- a/doc/go_spec.html
+++ b/doc/go_spec.html
@@ -3452,7 +3452,7 @@ of iteration variables - and then executes the block.
 </p>
 
 <pre class="grammar">
-RangeClause = IdentifierList ( "=" | ":=" ) "range" Expression .
+RangeClause = ExpressionList ( "=" | ":=" ) "range" Expression .
 </pre>
 
 <p>
@@ -3460,7 +3460,10 @@ The type of the right-hand expression in the "range" clause must be an
 array, slice, string or map, or a pointer to an array, slice, string or map;
 or it may be a channel.
 Except for channels,
-the identifier list must contain one or two identifiers denoting the
+the identifier list must contain one or two expressions
+(as in assignments, these must be a
+variable, pointer indirection, field selector, or index expression)
+denoting the
 iteration variables. On each iteration,
 the first variable is set to the string, array or slice index or
 map key, and the second variable, if present, is set to the corresponding
-- 
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