vim: Import v9.1.0764

* runtime(doc): clarify the effect of 'startofline' option
* 9.1.0764: [security]: use-after-free when closing a buffer
* runtime(vim): Update base-syntax file, improve class, enum and interface highlighting
* 9.1.0763: tests: cannot run single syntax tests
* 9.1.0762: 'cedit', 'termwinkey' and 'wildchar' may not be parsed correctly
* 9.1.0761: :cd completion fails on Windows with backslash in path
* 9.1.0760: tests: no error reported, if gen_opt_test.vim fails

gitlog.txt

@@ -1 +1 @@
-* [9.1.0759](https://github.com/vim/vim/commit/b065a10e245d020c11b521a2a5062300ca9891fc): screenpos() may return invalid position\n* [runtime(misc): unset compiler in various ftplugins](https://github.com/vim/vim/commit/7c3f9af0ed5dd7035f8a3fbb2f0bf965a453e359)\n* [runtime(doc): update formatting and syntax](https://github.com/vim/vim/commit/89872f58a9938142417906fc3243257c67c0af9c)\n* [runtime(compiler): add cppcheck linter compiler plugin](https://github.com/vim/vim/commit/af449f69c7cc9f0ffafaa6e0d028dccd1c358763)\n* [runtime(doc): Fix style in documents](https://github.com/vim/vim/commit/738ebfea4144dde3d6f25431631d7b821ca22d4d)\n* [runtime(doc): Fix to two-space convention in user manual](https://github.com/vim/vim/commit/8ee0e0b8e3b8b2af0618b7f2a7c852bf56c11b4d)\n* [runtime(comment): consider &tabstop in lines after whitespace indent](https://github.com/vim/vim/commit/7b27fc49a8c4ce480f759dc33082e6150fb94238)
+* [runtime(doc): clarify the effect of 'startofline' option](https://github.com/vim/vim/commit/fd4e47e06b77fa26cb38f057aba950449e1f47f6)\n* [9.1.0764](https://github.com/vim/vim/commit/51b62387be93c65fa56bbabe1c3c1ea5df187641): \[security\]: use-after-free when closing a buffer\n* [runtime(vim): Update base-syntax file, improve class, enum and interface highlighting](https://github.com/vim/vim/commit/818c641b6fac73b574a2b760213f515cee9a3c8e)\n* [9.1.0763](https://github.com/vim/vim/commit/ec0229414bc5ba6aadc515c7a01d8e07e060f330): tests: cannot run single syntax tests\n* [9.1.0762](https://github.com/vim/vim/commit/a9c6f90918d0012d1b8c8c5c1dccb77407f553fb): 'cedit', 'termwinkey' and 'wildchar' may not be parsed correctly\n* [9.1.0761](https://github.com/vim/vim/commit/1a31c430bb175144d097ca607dbe10d7960f372a): :cd completion fails on Windows with backslash in path\n* [9.1.0760](https://github.com/vim/vim/commit/d4ad4c9b3e9f9fd8ba1a7d0d61ec5839df645635): tests: no error reported, if gen\_opt\_test.vim fails