patch 8.2.3822: leaking memory in map() and filter(), no string in Vim9 Commit: https://github.com/vim/vim/commit/2d877599ee1cede063ef4abe3a2272e67c116238 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 16 08:21:09 2021 +0000 patch 8.2.3822: leaking memory in map() and filter(), no string in Vim9 Problem: Leaking memory in map() and filter(), cannot use a string argument in Vim9 script. Solution: Fix the leak, adjust the argument check, also run the tests as Vim9 script. (Yegappan Lakshmanan, closes #9354)

--- a/src/errors.h
+++ b/src/errors.h
@@ -760,3 +760,5 @@ EXTERN char e_highlight_group_name_too_l
 	INIT(= N_("E1249: Highlight group name too long"));
 EXTERN char e_argument_of_str_must_be_list_string_dictionary_or_blob[]
 	INIT(= N_("E1250: Argument of %s must be a List, String, Dictionary or Blob"));
+EXTERN char e_list_dict_blob_or_string_required_for_argument_nr[]
+	INIT(= N_("E1228: List, Dictionary, Blob or String required for argument %d"));