patch 8.0.1237: ":set scroll&" often gives an error
Problem: ":set scroll&" often gives an error.
Solution: Don't use a fixed default value, use half the window height. Add a
test. (Ozaki Kiichi, closes #2104)
diff --git a/src/testdir/test_alot.vim b/src/testdir/test_alot.vim
index ad13303..b8a5650 100644
--- a/src/testdir/test_alot.vim
+++ b/src/testdir/test_alot.vim
@@ -41,6 +41,7 @@
source test_put.vim
source test_recover.vim
source test_reltime.vim
+source test_scroll_opt.vim
source test_searchpos.vim
source test_set.vim
source test_sort.vim