vim: Import v8.2.4643

* 8.2.4643: Vim9: variable may be locked unintentionally
* 8.2.4642: Vim9: in :def function script var cannot be null
* 8.2.4641: may mark the wrong window for redrawing
* 8.2.4640: some boolean options use "long" instead of "int"
* 8.2.4639: not sufficient parenthesis in preprocessor macros

gitlog.txt

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-* [8.2.4639](https://github.com/vim/vim/commit/9dac9b1751dd43c02470cc6a2aecaeea27abcc80): not sufficient parenthesis in preprocessor macros\n* [8.2.4638](https://github.com/vim/vim/commit/3e559cd88486ffab6b6fb4e0921b4600d137a617): superfluous check if a redraw is needed for 'cursorline'\n* [8.2.4637](https://github.com/vim/vim/commit/565d1278cbbb7bc927bee207d5c2bc0bb95928fa): warning for using uninitialized variable\n* [8.2.4636](https://github.com/vim/vim/commit/1501b63f8dedbd15ee5bfd9a177e558ffdf0673a): not using Visual range\n* [8.2.4635](https://github.com/vim/vim/commit/501f978288008c2e4e8761858af2e27b14223afd): tests using null list or dict fail\n* [8.2.4634](https://github.com/vim/vim/commit/ec15b1cfdc5faadb529dedda58adf7fc98c839ed): Vim9: cannot initialize a variable to null\_list\n* [8.2.4633](https://github.com/vim/vim/commit/c75bca3ee955ff36ece99a42041733ddea5f45a7): Visual range does not work before command modifiers
+* [8.2.4643](https://github.com/vim/vim/commit/24565cf27bc28cbd73f10e5ddf1e4ef53038a426): Vim9: variable may be locked unintentionally\n* [8.2.4642](https://github.com/vim/vim/commit/859cc21c6b60af07b549456b7d050a03b3e48bc9): Vim9: in :def function script var cannot be null\n* [8.2.4641](https://github.com/vim/vim/commit/471b3aed3e9c43d4dd53444ceb74f9a4f8a3874a): may mark the wrong window for redrawing\n* [8.2.4640](https://github.com/vim/vim/commit/8be423b7ac3b5742deb20a7eba8f5c9680c04500): some boolean options use "long" instead of "int"\n* [8.2.4639](https://github.com/vim/vim/commit/9dac9b1751dd43c02470cc6a2aecaeea27abcc80): not sufficient parenthesis in preprocessor macros