commit 497cd6b40903936f104e1f6a3fafbfdd48fa5247
from: Russ Cox <rsc@swtch.com>
date: Sat Oct 20 17:41:25 2012 UTC

INSTALL: don't try to use \b in acme window

R=rsc
http://codereview.appspot.com/6734051

commit - 220c15d2b746878a943f311e6f66b1480e46491d
commit + 497cd6b40903936f104e1f6a3fafbfdd48fa5247
blob - 7f7745614254530d9472e535a9a7b12039b6bde6
blob + 0d2f8721cf295504131ac7c1d7064e56deb5fe57
--- dist/isum.awk
+++ dist/isum.awk
@@ -8,6 +8,8 @@ BEGIN {
 	statuslen = 0
 	debug = 0
 	updates = "/dev/stderr"
+	if(ENVIRON["winid"] != "") # running in acme window
+		updates = ""
 }
 
 function myflush(f)