patch 8.2.1311: test failures with legacy Vim scriptv8.2.1311

Problem:    Test failures with legacy Vim script.
Solution:   Actually check for Vim9 script.

2 files changed, 13 insertions, 10 deletions

diff --git a/src/version.c b/src/version.c
index d8dfba87b..93da0a8ab 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1311,
+/**/
     1310,
 /**/
     1309,
diff --git a/src/vim9script.c b/src/vim9script.c
index 7d783ea93..2e94b8e29 100644
--- a/src/vim9script.c
+++ b/src/vim9script.c
@@ -64,16 +64,17 @@ ex_vim9script(exarg_T *eap)
     int
 not_in_vim9(exarg_T *eap)
 {
-    switch (eap->cmdidx)
-    {
-	case CMD_insert:
-	case CMD_append:
-	case CMD_change:
-	case CMD_xit:
-	    semsg(_("E1100: Missing :let: %s"), eap->cmd);
-	    return FAIL;
-	default: break;
-    }
+    if (in_vim9script())
+	switch (eap->cmdidx)
+	{
+	    case CMD_insert:
+	    case CMD_append:
+	    case CMD_change:
+	    case CMD_xit:
+		semsg(_("E1100: Missing :let: %s"), eap->cmd);
+		return FAIL;
+	    default: break;
+	}
     return OK;
 }