vim: Import v8.2.3424

* 8.2.3424: a sequence of spaces is hard to see in list mode

Author: chrisbra

gitlog.txt

@@ -1 +1 @@
-* [8.2.3423](https://github.com/vim/vim/commit/07802044b90b2cbcc64b2dfe235f019d7c37589c): Vim9: list += list creates a new list in :def function\n* [8.2.3422](https://github.com/vim/vim/commit/efc084e3353d6854b6dac8b240f70cb0abb838ad): Vim9: no failure if return type differs from returned var\n* [Update runtime files](https://github.com/vim/vim/commit/6c391a74fe90190796ca0b0c010112948a6e75d7)\n* [8.2.3421](https://github.com/vim/vim/commit/d176ca3dde47c11aae0376c31b7e1ba0939c8c6c): a bit of code is not covered by tests\n* [8.2.3420](https://github.com/vim/vim/commit/6b9efdde7828b3317b64f38bd90fb5a784a654c0): \_REENTRANT defined more than once\n* [8.2.3419](https://github.com/vim/vim/commit/0325d3967ce7d0fd35bc1472fd476b911b895b76): a failing debug expression may make Vim unusable\n* [8.2.3418](https://github.com/vim/vim/commit/070ac3433b0ebefd6dc6cd49707fcfa1421b9e67): garbage collection while evaluating may cause trouble
+* [8.2.3424](https://github.com/vim/vim/commit/f14b8ba1373f569705cb80419248054100b02360): a sequence of spaces is hard to see in list mode