From fe527aa508851d83f166b8f50ae4c2ed5f1e4ec8 Mon Sep 17 00:00:00 2001
From: noname
Date: Sun, 20 Apr 2014 17:26:50 +0400
Subject: Do not set dirty flag twice in tscrollup and tscrolldown.

---
 st.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/st.c b/st.c
index d188b35..dffa84e 100644
--- a/st.c
+++ b/st.c
@@ -1398,9 +1398,8 @@ tscrolldown(int orig, int n) {
 
 	LIMIT(n, 0, term.bot-orig+1);
 
-	tclearregion(0, term.bot-n+1, term.col-1, term.bot);
 	tsetdirt(orig, term.bot-n);
-	tsetdirt(orig+n, term.bot);
+	tclearregion(0, term.bot-n+1, term.col-1, term.bot);
 
 	for(i = term.bot; i >= orig+n; i--) {
 		temp = term.line[i];
@@ -1418,7 +1417,6 @@ tscrollup(int orig, int n) {
 	LIMIT(n, 0, term.bot-orig+1);
 
 	tclearregion(0, orig, term.col-1, orig+n-1);
-	tsetdirt(orig, term.bot-n);
 	tsetdirt(orig+n, term.bot);
 
 	for(i = orig; i <= term.bot-n; i++) {
-- 
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