patch 8.2.4872: Vim9: no error for using an expression only Commit: https://github.com/vim/vim/commit/ea72038d60401d351faaf1b4a52f4537e719df6f Author: Bram Moolenaar <Bram@vim.org> Date: Thu May 5 16:08:55 2022 +0100 patch 8.2.4872: Vim9: no error for using an expression only Problem: Vim9: no error for using an expression only at the script level when followed by an empty line. Solution: Do not check the line number but whether something follows. (closes #10357)

--- a/src/testdir/test_vim9_cmd.vim
+++ b/src/testdir/test_vim9_cmd.vim
@@ -651,6 +651,20 @@ def Test_use_register()
   v9.CheckDefAndScriptFailure(lines, 'E1207:', 2)
 
   lines =<< trim END
+      @a = 'echo "text"'
+      @a
+
+  END
+  v9.CheckDefAndScriptFailure(lines, 'E1207:', 2)
+
+  lines =<< trim END
+      @a = 'echo "text"'
+      @a
+          # comment
+  END
+  v9.CheckDefAndScriptFailure(lines, 'E1207:', 2)
+
+  lines =<< trim END
       @/ = 'pattern'
       @/
   END