patch 9.0.1309: scrolling two lines with even line count and 'scrolloff' setv9.0.1309

Problem:    Scrolling two lines with even line count and 'scrolloff' set.
Solution:   Adjust how the topline is computed. (closes #10545)

4 files changed, 16 insertions, 16 deletions

diff --git a/src/testdir/dumps/Test_popupwin_previewpopup_2.dump b/src/testdir/dumps/Test_popupwin_previewpopup_2.dump
index 0f8be327e4..99934efa6d 100644
--- a/src/testdir/dumps/Test_popupwin_previewpopup_2.dump
+++ b/src/testdir/dumps/Test_popupwin_previewpopup_2.dump
@@ -2,10 +2,10 @@
 |#|i|n|c|l|u|d|e| |"|X|h|e|a|d|e|r|.|h|"| @54
 |t|h|r|e@1| @69
 |f|o|u|r| @3|╔+0&#afffff255| |X|t|a|g|f|i|l|e| |═@30|X| +0&#ffffff0@23
-|f|i|v|e| @3|║+0&#afffff255|2|7| @37| +0&#a8a8a8255|║+0&#afffff255| +0&#ffffff0@23
-|s|i|x| @4|║+0&#afffff255|t|h|i|s| |i|s| |a|n|o|t|h|e|r| |p|l|a|c|e| @18| +0&#a8a8a8255|║+0&#afffff255| +0&#ffffff0@23
-|s|e|v|e|n| @2|║+0&#afffff255|2|9| @37| +0&#0000001|║+0&#afffff255| +0&#ffffff0@23
-|f|i|n|d| |t|h|e|║+0&#afffff255|3|0| @37| +0&#a8a8a8255|║+0&#afffff255| +0&#ffffff0@23
+|f|i|v|e| @3|║+0&#afffff255|2|6| @37| +0&#a8a8a8255|║+0&#afffff255| +0&#ffffff0@23
+|s|i|x| @4|║+0&#afffff255|2|7| @37| +0&#a8a8a8255|║+0&#afffff255| +0&#ffffff0@23
+|s|e|v|e|n| @2|║+0&#afffff255|t|h|i|s| |i|s| |a|n|o|t|h|e|r| |p|l|a|c|e| @18| +0&#0000001|║+0&#afffff255| +0&#ffffff0@23
+|f|i|n|d| |t|h|e|║+0&#afffff255|2|9| @37| +0&#a8a8a8255|║+0&#afffff255| +0&#ffffff0@23
 |n|i|n|e| @3|╚+0&#afffff255|═@40|⇲| +0&#ffffff0@23
 |t|h|i|s| |i|s| >a|n|o|t|h|e|r| |w|o|r|d| @54
 |v|e|r|y| |l|o|n|g| |l|i|n|e| |w|h|e|r|e| |t|h|e| |w|o|r|d| |i|s| |a|l|s|o| |a|n|o|t|h|e|r| @29
diff --git a/src/testdir/dumps/Test_popupwin_previewpopup_3.dump b/src/testdir/dumps/Test_popupwin_previewpopup_3.dump
index 03457b35d5..d1e77e9ef7 100644
--- a/src/testdir/dumps/Test_popupwin_previewpopup_3.dump
+++ b/src/testdir/dumps/Test_popupwin_previewpopup_3.dump
@@ -2,10 +2,10 @@
 |#|i|n|c|l|u|d|e| |"|X|h|e|a|d|e|r|.|h|"| @54
 |t|h|r|e@1| @69
 |f|o|u|r| @9|╔+0&#afffff255| |X|t|a|g|f|i|l|e| |═@30|X| +0&#ffffff0@17
-|f|i|v|e| @9|║+0&#afffff255|2|7| @37| +0&#a8a8a8255|║+0&#afffff255| +0&#ffffff0@17
-|s|i|x| @10|║+0&#afffff255|t|h|i|s| |i|s| |a|n|o|t|h|e|r| |p|l|a|c|e| @18| +0&#a8a8a8255|║+0&#afffff255| +0&#ffffff0@17
-|s|e|v|e|n| @8|║+0&#afffff255|2|9| @37| +0&#0000001|║+0&#afffff255| +0&#ffffff0@17
-|f|i|n|d| |t|h|e|w|o|r|d| |s|║+0&#afffff255|3|0| @37| +0&#a8a8a8255|║+0&#afffff255| +0&#ffffff0@17
+|f|i|v|e| @9|║+0&#afffff255|2|6| @37| +0&#a8a8a8255|║+0&#afffff255| +0&#ffffff0@17
+|s|i|x| @10|║+0&#afffff255|2|7| @37| +0&#a8a8a8255|║+0&#afffff255| +0&#ffffff0@17
+|s|e|v|e|n| @8|║+0&#afffff255|t|h|i|s| |i|s| |a|n|o|t|h|e|r| |p|l|a|c|e| @18| +0&#0000001|║+0&#afffff255| +0&#ffffff0@17
+|f|i|n|d| |t|h|e|w|o|r|d| |s|║+0&#afffff255|2|9| @37| +0&#a8a8a8255|║+0&#afffff255| +0&#ffffff0@17
 |n|i|n|e| @9|╚+0&#afffff255|═@40|⇲| +0&#ffffff0@17
 |t|h|i|s| |i|s| >a|n|o|t|h|e|r| |w|o|r|d| @54
 |v|e|r|y| |l|o|n|g| |l|i|n|e| |w|h|e|r|e| |t|h|e| |w|o|r|d| |i|s| |a|l|s|o| |a|n|o|t|h|e|r| @29
diff --git a/src/testdir/dumps/Test_popupwin_previewpopup_4.dump b/src/testdir/dumps/Test_popupwin_previewpopup_4.dump
index dcec4eddab..f8d411dadb 100644
--- a/src/testdir/dumps/Test_popupwin_previewpopup_4.dump
+++ b/src/testdir/dumps/Test_popupwin_previewpopup_4.dump
@@ -3,10 +3,10 @@
 |t|h|r|e@1| @69
 |f|o|u|r| @70
 |f|i|v|e| @27|╔+0&#afffff255| |X|t|a|g|f|i|l|e| |═@30|X
-|s+0&#ffffff0|i|x| @28|║+0&#afffff255|2|7| @37| +0&#a8a8a8255|║+0&#afffff255
-|s+0&#ffffff0|e|v|e|n| @26|║+0&#afffff255|t|h|i|s| |i|s| |a|n|o|t|h|e|r| |p|l|a|c|e| @18| +0&#a8a8a8255|║+0&#afffff255
-|f+0&#ffffff0|i|n|d| |t|h|e|w|o|r|d| |s|o|m|e|w|h|e|r|e| @9|║+0&#afffff255|2|9| @37| +0&#0000001|║+0&#afffff255
-|n+0&#ffffff0|i|n|e| @27|║+0&#afffff255|3|0| @37| +0&#a8a8a8255|║+0&#afffff255
+|s+0&#ffffff0|i|x| @28|║+0&#afffff255|2|6| @37| +0&#a8a8a8255|║+0&#afffff255
+|s+0&#ffffff0|e|v|e|n| @26|║+0&#afffff255|2|7| @37| +0&#a8a8a8255|║+0&#afffff255
+|f+0&#ffffff0|i|n|d| |t|h|e|w|o|r|d| |s|o|m|e|w|h|e|r|e| @9|║+0&#afffff255|t|h|i|s| |i|s| |a|n|o|t|h|e|r| |p|l|a|c|e| @18| +0&#0000001|║+0&#afffff255
+|n+0&#ffffff0|i|n|e| @27|║+0&#afffff255|2|9| @37| +0&#a8a8a8255|║+0&#afffff255
 |t+0&#ffffff0|h|i|s| |i|s| |a|n|o|t|h|e|r| |w|o|r|d| @11|╚+0&#afffff255|═@40|⇲
 |v+0&#ffffff0|e|r|y| |l|o|n|g| |l|i|n|e| |w|h|e|r|e| |t|h|e| |w|o|r|d| |i|s| |a|l|s|o| >a|n|o|t|h|e|r| @29
 |~+0#4040ff13&| @73
diff --git a/src/testdir/dumps/Test_popupwin_previewpopup_5.dump b/src/testdir/dumps/Test_popupwin_previewpopup_5.dump
index d26a7ed18a..8f1b98f489 100644
--- a/src/testdir/dumps/Test_popupwin_previewpopup_5.dump
+++ b/src/testdir/dumps/Test_popupwin_previewpopup_5.dump
@@ -3,10 +3,10 @@
 |t|h|r|e@1| @69
 |f|o|u|r| @70
 |f|i|v|e| @27|╔+0&#afffff255| |t|e|s|t|d|i|r|/|X|t|a|g|f|i|l|e| |═@22|X
-|s+0&#ffffff0|i|x| @28|║+0&#afffff255|2|7| @37| +0&#a8a8a8255|║+0&#afffff255
-|s+0&#ffffff0|e|v|e|n| @26|║+0&#afffff255|t|h|i|s| |i|s| |a|n|o|t|h|e|r| |p|l|a|c|e| @18| +0&#a8a8a8255|║+0&#afffff255
-|f+0&#ffffff0|i|n|d| |t|h|e|w|o|r|d| |s|o|m|e|w|h|e|r|e| @9|║+0&#afffff255|2|9| @37| +0&#0000001|║+0&#afffff255
-|n+0&#ffffff0|i|n|e| @27|║+0&#afffff255|3|0| @37| +0&#a8a8a8255|║+0&#afffff255
+|s+0&#ffffff0|i|x| @28|║+0&#afffff255|2|6| @37| +0&#a8a8a8255|║+0&#afffff255
+|s+0&#ffffff0|e|v|e|n| @26|║+0&#afffff255|2|7| @37| +0&#a8a8a8255|║+0&#afffff255
+|f+0&#ffffff0|i|n|d| |t|h|e|w|o|r|d| |s|o|m|e|w|h|e|r|e| @9|║+0&#afffff255|t|h|i|s| |i|s| |a|n|o|t|h|e|r| |p|l|a|c|e| @18| +0&#0000001|║+0&#afffff255
+|n+0&#ffffff0|i|n|e| @27|║+0&#afffff255|2|9| @37| +0&#a8a8a8255|║+0&#afffff255
 |t+0&#ffffff0|h|i|s| |i|s| |a|n|o|t|h|e|r| |w|o|r|d| @11|╚+0&#afffff255|═@40|⇲
 |v+0&#ffffff0|e|r|y| |l|o|n|g| |l|i|n|e| |w|h|e|r|e| |t|h|e| |w|o|r|d| |i|s| |a|l|s|o| >a|n|o|t|h|e|r| @29
 |~+0#4040ff13&| @73