vim: Import v8.2.3908

* 8.2.3908: cannot use a script-local function for 'foldtext'
* 8.2.3907: error messages are spread out
* 8.2.3906: Vim9 help still contains "under development" warnings
* 8.2.3905: Dockerfile using prefix name not recognized
* 8.2.3904: Vim9: skip expression type is not checked at compile time
* 8.2.3903: "gM" does not count tabs as expected
* 8.2.3902: Vim9: double free with nested :def function
* 8.2.3901: Vim9: Cannot set 'cpo' in main .vimrc if using Vim9 script
* 8.2.3900: it is not easy to use a script-local function for an option

Author: chrisbra

gitlog.txt

@@ -1 +1 @@
-* [8.2.3899](https://github.com/vim/vim/commit/ec86520f946a40d5c4a92d6a11d6928faa13abd4): Vim9: test for map() on string fails\n* [8.2.3898](https://github.com/vim/vim/commit/fb9dcb080b5143d3021a8c1d6deaf143f2ca3a48): Vim9: not sufficient testing for variable initialization\n* [8.2.3897](https://github.com/vim/vim/commit/1802405d71da20dff510690bf14f6da085836125): Vim9: second argument of map() and filter() not checked\n* [8.2.3896](https://github.com/vim/vim/commit/db8e5c21b98c5998df4ab94e0b94bd9fdaf35c83): Vim9: no test for nested function not available later\n* [8.2.3895](https://github.com/vim/vim/commit/ae1068afde6dfc6fd3e3f54512dbd089e1559053): Vim9: confusing error when using function() with a number\n* [8.2.3894](https://github.com/vim/vim/commit/223d0a6bc8dc68039ceb6660de9576fafe178d73): Vim9: no proper type check for first argument of call()\n* [8.2.3893](https://github.com/vim/vim/commit/5cd647935d0834b3064aa36384b8f6730fadadd6): Vim9: many local variables are initialized with an instruction\n* [8.2.3892](https://github.com/vim/vim/commit/35cfd793aad7c4bfba4a9bedf5c435c44e4293d0): when modifyOtherKeys is used CTRL-C is not recognized\n* [8.2.3891](https://github.com/vim/vim/commit/7f4a628efefd893a3cad3a1fdde340c98360f705): github CI: workflows may overlap
+* [8.2.3908](https://github.com/vim/vim/commit/27708e6c7b6f444fd599f3dc5015336b002b874d): cannot use a script-local function for 'foldtext'\n* [8.2.3907](https://github.com/vim/vim/commit/c553a21e189aa440515a19c5b25f8b6b50c5d53d): error messages are spread out\n* [8.2.3906](https://github.com/vim/vim/commit/1f318c6eac3d894a3fb9c68c53512cdd75e8f6b4): Vim9 help still contains "under development" warnings\n* [8.2.3905](https://github.com/vim/vim/commit/c88ac94a0bdc70012558813404821fe077f1de20): Dockerfile using prefix name not recognized\n* [8.2.3904](https://github.com/vim/vim/commit/7319981f21cbd51267c8cc80b37ed56d8ee78ea7): Vim9: skip expression type is not checked at compile time\n* [8.2.3903](https://github.com/vim/vim/commit/71c41255f6a074c4df4dc6f9e97d347e565253a1): "gM" does not count tabs as expected\n* [8.2.3902](https://github.com/vim/vim/commit/9c23f9bb5fe435b28245ba8ac65aa0ca6b902c04): Vim9: double free with nested :def function\n* [8.2.3901](https://github.com/vim/vim/commit/71eb3ad5790ef3d16369e2fceb040980d75539cf): Vim9: Cannot set 'cpo' in main .vimrc if using Vim9 script\n* [8.2.3900](https://github.com/vim/vim/commit/8bb65f230d3025037f34021a72616038da0601ee): it is not easy to use a script-local function for an option