commit 7f2dd1e90c1d4a30c791fae20014594641769a1e
author Dominique Pelle <dominique.pelle@gmail.com> Sat Sep 04 13:44:01 2021 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Sep 04 13:44:01 2021 +0200
tree ecccfbc440f9cfc99eec039af8dcb1625e797c3e
parent deba5eb195d6ac70171d4973091fa884809fa3fa

patch 8.2.3400: ":z!" is not supported

Problem:    ":z!" is not supported.
Solution:   Make ":z!" work and add tests. (Dominique Pellé, closes #8836)
            Use display height instead of current window height.

src/ex_cmds.c

diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index 021296d..5c92e09 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -3445,7 +3445,7 @@
     // Vi compatible: ":z!" uses display height, without a count uses
     // 'scroll'
     if (eap->forceit)
-	bigness = curwin->w_height;
+	bigness = Rows - 1;
     else if (!ONE_WINDOW)
 	bigness = curwin->w_height - 3;
     else