patch 8.2.3048: strange error for white space after ++ command Commit: https://github.com/vim/vim/commit/22480d147fe83cb31316d2dabc5c5f249477af15 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jun 25 21:31:09 2021 +0200 patch 8.2.3048: strange error for white space after ++ command Problem: Strange error for white space after ++ command. Solution: Check for white space explicitly. (closes https://github.com/vim/vim/issues/8440)

--- a/src/testdir/test_vim9_assign.vim
+++ b/src/testdir/test_vim9_assign.vim
@@ -1906,6 +1906,12 @@ def Test_inc_dec()
       unlet g:count
   END
   CheckDefAndScriptSuccess(lines)
+
+  lines =<< trim END
+      var nr = 7
+      ++ nr
+  END
+  CheckDefAndScriptFailure(lines, "E1202: No white space allowed after '++': ++ nr")
 enddef