commit e0b5949a3b28be9940bb8a46b2579e960100b83b
author Bram Moolenaar <Bram@vim.org> Tue May 21 20:54:45 2019 +0200
committer Bram Moolenaar <Bram@vim.org> Tue May 21 20:54:45 2019 +0200
tree be7ed16a7c64bda948727fc252ee67324cbd1f28
parent c79745a82faeb5a6058e915ca49a4c69fa60ea01

patch 8.1.1363: ":vert options" does not make a vertical split

Problem:    ":vert options" does not make a vertical split.
Solution:   Pass the right modifiers in $OPTWIN_CMD. (Ken Takata,
            closes #4401)

src/ex_cmds2.c

diff --git a/src/ex_cmds2.c b/src/ex_cmds2.c
index 18c438c..bf6e551 100644
--- a/src/ex_cmds2.c
+++ b/src/ex_cmds2.c
@@ -3016,7 +3016,9 @@
 ex_options(
     exarg_T	*eap UNUSED)
 {
-    vim_setenv((char_u *)"OPTWIN_CMD", (char_u *)(cmdmod.tab ? "tab" : ""));
+    vim_setenv((char_u *)"OPTWIN_CMD",
+	    (char_u *)(cmdmod.tab ? "tab"
+		: (cmdmod.split & WSP_VERT) ? "vert" : ""));
     cmd_source((char_u *)SYS_OPTWIN_FILE, NULL);
 }
 #endif