commit 68a6e0c0d03af1026f1b903bb071977543b7a939
from: Russ Cox <rsc@swtch.com>
date: Tue Jan 12 19:11:19 2010 UTC

acme: let Edit redo when file is clean

R=, rsc
CC=
http://codereview.appspot.com/188042

commit - ef27bfa4ab95825fc2f7c733064b8c96ee17d73e
commit + 68a6e0c0d03af1026f1b903bb071977543b7a939
blob - 575c5a27f937305fb47b7c7c2c920edbc877254a
blob + bdcaf9f5a72d5a08c21b0e3d3e3616e9444da61a
--- src/cmd/acme/ecmd.c
+++ src/cmd/acme/ecmd.c
@@ -544,7 +544,7 @@ u_cmd(Text *t, Cmd *cp)
 		flag = FALSE;
 	}
 	oseq = -1;
-	while(n-->0 && t->file->seq!=0 && t->file->seq!=oseq){
+	while(n-->0 && t->file->seq!=oseq){
 		oseq = t->file->seq;
 		undo(t, nil, nil, flag, 0, nil, 0);
 	}