vim: Import v8.2.4616

* 8.2.4616: Vim9: Declarations in a {} block of a user command remain
* 8.2.4615: mapping with escaped bar does not work in :def function
* 8.2.4614: redrawing too much when 'cursorline' is set
* 8.2.4613: return type of swapfile_unchanged() is wrong
* 8.2.4612: Vim9: cannot use a recursive call in a nested function

Author: chrisbra

gitlog.txt

@@ -1 +1 @@
-* [8.2.4611](https://github.com/vim/vim/commit/81b573d7e55bd48988f298ce8e652d902e9bdeba): typos in tests; one lua line not covered by test\n* [8.2.4610](https://github.com/vim/vim/commit/fe154990c1c57fac6d5a4b1bfb682e27adb4eb8c): some conditions are always true\n* [8.2.4609](https://github.com/vim/vim/commit/6f2465d336a9d4afe392db4084ef7e9db17e67c1): :unhide does not check for failing to close a window\n* [8.2.4608](https://github.com/vim/vim/commit/e7dd0fa2c61fe71f12c72b0dcb7bb6415eb048fb): getcompletion() does not work when 'wildoptions' has "fuzzy"\n* [8.2.4607](https://github.com/vim/vim/commit/35dc17634dd6da5b90bd1b0160c4ed9e394f4b87): sourcing buffer lines may lead to errors for conflicts
+* [8.2.4616](https://github.com/vim/vim/commit/98b7fe725ec342d28d7c86293098b233c57c4af9): Vim9: Declarations in a {} block of a user command remain\n* [8.2.4615](https://github.com/vim/vim/commit/ac48506ac62b2ece523d5af6ea6c95b699d70b94): mapping with escaped bar does not work in :def function\n* [8.2.4614](https://github.com/vim/vim/commit/c20e46a4e3efcd408ef132872238144ea34f7ae5): redrawing too much when 'cursorline' is set\n* [8.2.4613](https://github.com/vim/vim/commit/3c5999e53d9f35a30abefb7224f66a75c8ffb009): return type of swapfile\_unchanged() is wrong\n* [8.2.4612](https://github.com/vim/vim/commit/a915fa010330ee7212e06d3511acd363d04d2d28): Vim9: cannot use a recursive call in a nested function