vim: Import v9.1.1864

* Fix incorrect spelling of Vim script and Vim9 script
* 9.1.1864: tests: Clipboard provider feature test failure

Author: github-actions[bot]

gitlog.txt

@@ -1 +1 @@
-* [runtime(vimcomplete): do not complete 'shellcmd' on WSL and Windows](https://github.com/vim/vim/commit/30ff1e3b0274a40bc64025bf0eaca20f636e6414)\n* [9.1.1863](https://github.com/vim/vim/commit/f22cedd75fa30e046e96ace4b2f54d8dca601ed2): Cannot test for working "+" register\n* [9.1.1862](https://github.com/vim/vim/commit/18d57a1b4c31d2a0eca28a4ba13e6a6998fb0e75): wrong ifdefs for clipboard provider\n* [runtime(odin): fix indent for mis-identified case statements](https://github.com/vim/vim/commit/a30cf0b3ace613e216b7ae248b657b281de9f21c)\n* [9.1.1861](https://github.com/vim/vim/commit/1c9135a362a1058f12c05d8496ff4ef0888f83d8): Amiga: Locating runtime dir and rc files can be simplified\n* [9.1.1860](https://github.com/vim/vim/commit/761a484e12fcdaf5d78293ce56d098ea6a39ba30): clipboard register "+" enabled with cplipboard provider feature\n* [9.1.1859](https://github.com/vim/vim/commit/6180d65751d8cc85460eb1729dd04815b9f14aa4): completion: whitespace not cleared with 'ai'\n* [9.1.1858](https://github.com/vim/vim/commit/b3b47e540d35742503ea372c5a97e8fb5681ab26): v:register not reset after Visual mode command
+* [Fix incorrect spelling of Vim script and Vim9 script](https://github.com/vim/vim/commit/1b565eee6df194e2f842475299fd16793c714677)\n* [9.1.1864](https://github.com/vim/vim/commit/6582299b8db415016aba782c76bfbf2205ab59d9): tests: Clipboard provider feature test failure