commit 6886b3cd89134e1e259d66940943d15d29b159ac
from: Russ Cox <rsc@swtch.com>
date: Wed Feb 16 17:48:06 2011 UTC

rc: fix $ifs bug introduced with utf-8 code

R=rsc
http://codereview.appspot.com/4187050

commit - 425a2b7863f6e9f5c70e28f68d3077afb5b57c77
commit + 6886b3cd89134e1e259d66940943d15d29b159ac
blob - 549b1966ec94316d25abeb1d12047d64d9fc9ac8
blob + dc0ca2e88c7f1cec38f58894298652481307a682
--- src/cmd/rc/havefork.c
+++ src/cmd/rc/havefork.c
@@ -156,8 +156,10 @@ Xbackq(void)
 				continue;
 			}
 		stop:
-			*s = '\0';
-			v = newword(wd, v);
+			if(s != wd) {
+				*s = '\0';
+				v = newword(wd, v);
+			}
 			s = wd;
 		}
 		if(s!=wd){