patch 9.0.0346: :horizontal modifier not fully supported Commit: https://github.com/vim/vim/commit/d3de178e5352fedf0f30b979f46a2fcbca24ea40 Author: zeertzjq <zeertzjq@outlook.com> Date: Thu Sep 1 12:58:52 2022 +0100 patch 9.0.0346: :horizontal modifier not fully supported Problem: :horizontal modifier not fully supported. Solution: Also use :horizontal for completion and user commands. (closes #11025)

--- a/src/usercmd.c
+++ b/src/usercmd.c
@@ -1443,6 +1443,9 @@ add_win_cmd_modifers(char_u *buf, cmdmod
     // :vertical
     if (cmod->cmod_split & WSP_VERT)
 	result += add_cmd_modifier(buf, "vertical", multi_mods);
+    // :horizontal
+    if (cmod->cmod_split & WSP_HOR)
+	result += add_cmd_modifier(buf, "horizontal", multi_mods);
     return result;
 }