From 2930ebb40619e94e7e8485a919b67cf39a4e5c0a Mon Sep 17 00:00:00 2001
From: ceriel <none@none>
Date: Tue, 31 Jan 1989 10:33:59 +0000
Subject: [PATCH] fixed bug: OO_halfflush did not work properly

---
 modules/src/em_opt/nopt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/src/em_opt/nopt.c b/modules/src/em_opt/nopt.c
index be4e51483..2519298fa 100644
--- a/modules/src/em_opt/nopt.c
+++ b/modules/src/em_opt/nopt.c
@@ -188,7 +188,7 @@ OO_halfflush()
 	for(p=OO_buffer,i=n;i--;)
 		C_out(p++);
 	/* now copy the rest of buffer and pattern back */
-	BTSCPY(p,q,i,OO_buffer,OO_buffer+n,n+(OO_nxtpatt-OO_buffer));
+	BTSCPY(p,q,i,OO_buffer,OO_buffer+n,(OO_nxtpatt-OO_buffer)-n);
 	OO_patternqueue -= n;
 	OO_nxtpatt -= n;
 	printstate("after Half flush");