From 9e497c3656183595ee9054e8561b28f37ccaff8d Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@golang.org>
Date: Thu, 20 May 2010 17:34:22 -0700
Subject: [PATCH] =?UTF-8?q?gc:=20disallow=20=C2=B7=20in=20Go=20programs?=
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Fixes #793.

R=ken2
CC=golang-dev
https://golang.org/cl/1249043
---
 src/cmd/gc/lex.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cmd/gc/lex.c b/src/cmd/gc/lex.c
index 48c200ccea7..1bf51a70a44 100644
--- a/src/cmd/gc/lex.c
+++ b/src/cmd/gc/lex.c
@@ -854,7 +854,7 @@ talph:
 			ungetc(c);
 			rune = getr();
 			// 0xb7 · is used for internal names
-			if(!isalpharune(rune) && !isdigitrune(rune) && rune != 0xb7)
+			if(!isalpharune(rune) && !isdigitrune(rune) && (importpkg == nil || rune != 0xb7))
 				yyerror("invalid identifier character 0x%ux", rune);
 			cp += runetochar(cp, &rune);
 		} else if(!isalnum(c) && c != '_')