From 1e2c4175dce903986dac66ba9326ae562b159421 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Thu, 24 Mar 2022 15:24:45 +0000
Subject: patch 8.2.4620: two letter substitute commands don't work

Problem:    Two letter substitute commands don't work. (Yegappan Lakshmanan)
Solution:   Invert condition.
---
 src/ex_docmd.c | 2 +-
 src/version.c  | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index 7c2fe3deb7..65f4221f0d 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -3431,7 +3431,7 @@ skip_option_env_lead(char_u *start)
     static int
 one_letter_cmd(char_u *p, cmdidx_T *idx)
 {
-    if (!in_vim9script())
+    if (in_vim9script())
 	return FALSE;
     if (*p == 'k')
     {
diff --git a/src/version.c b/src/version.c
index 693cebc06a..6405e3b855 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4620,
 /**/
     4619,
 /**/
-- 
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