From 527e45ab5cc919caea9bfee9af1cf3da83028420 Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jkk@ung.org>
Date: Tue, 14 Jul 2020 16:12:49 -0400
Subject: more reliable back-scrolling

---
 more.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/more.c b/more.c
index fc653ab..cefc997 100644
--- a/more.c
+++ b/more.c
@@ -132,8 +132,12 @@ void scroll(struct morefile *mf, int count, int multiple)
 	size_t n = 0;
 	int by = count ? count * multiple : multiple;
 
-	if ((by < 0) && ((-by) > mf->topline)) {
-		mf->topline = 0;
+	if (by < 0) {
+		if ((-by) > mf->topline) {
+			mf->topline = 0;
+		} else {
+			mf->topline += by;
+		}
 		refresh(mf);
 	} else while (by-- > 0) {
 		mf->topline++;
@@ -522,7 +526,7 @@ int main(int argc, char *argv[])
 
 	openrawtty();
 
-	global.lines -= 2;
+	global.lines--;
 
 	if (optind >= argc) {
 		more("-");
-- 
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