vim: Import v9.1.1086

* 9.1.1086: completion doesn't work with multi lines
* 9.1.1085: filetype: cmmt files are not recognized
* 9.1.1084: Unable to persistently ignore events in a window and its buffers
* runtime(tex): improve syntax highlighting
* 9.1.1083: setreg() doesn't correctly handle mbyte chars in blockwise mode

Author: github-actions[bot]

gitlog.txt

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-* [9.1.1082](https://github.com/vim/vim/commit/a6d5778d9b14d6c194d23f01c8ddfdcdc08c7974): unexpected DCS responses may cause out of bounds reads\n* [9.1.1081](https://github.com/vim/vim/commit/a41dfcd55b1744b44a47d2fc3feb5d5f6207a556): has('bsd') is true for GNU/Hurd\n* [9.1.1080](https://github.com/vim/vim/commit/9c8f9b10fcb177fb07684626b49118dd2d2540b5): filetype: Mill files are not recognized\n* [9.1.1079](https://github.com/vim/vim/commit/a5e03f68a87d819896c81ff7cc3c668a2013c680): GUI late startup leads to uninitialized scrollbars\n* [runtime(misc): Add support for lz4 to tar & gzip plugin](https://github.com/vim/vim/commit/b69cd52447584cedadc1513aa3acd5b4cd9f4340)\n* [9.1.1078](https://github.com/vim/vim/commit/cde8ff63e2b90ee304bc2e86d9d5e7e20068c79b): Terminal ansi colors off by one after tgc reset\n* [9.1.1077](https://github.com/vim/vim/commit/f50d5364d790619a3b982a3ad3658b5a10daf511): included syntax items do not understand contains=TOP\n* [9.1.1076](https://github.com/vim/vim/commit/34e1e8de91ff4a8922d454e3147ea425784aa0a0): vim\_strnchr() is strange and unnecessary\n* [9.1.1075](https://github.com/vim/vim/commit/f7cb9f9280c675537a1536864d58e32adf35d344): Vim9: len variable not used in compile\_load()\n* [runtime(vim): Update base-syntax, match :debuggreedy count prefix](https://github.com/vim/vim/commit/4a530a632bb220b9aec827a12ab211a563c5583d)\n* [9.1.1074](https://github.com/vim/vim/commit/449c2e5454735fe1cfc8c21b2c6880d6bdf4cd6e): Strange error when heredoc marker starts with "trim"\n* [9.1.1073](https://github.com/vim/vim/commit/23da16d3d023a20565dc29128208e6cb095231d9): tests: test\_compiler fails on Windows without Maven\n* [9.1.1072](https://github.com/vim/vim/commit/ccd7f454fcac2f99085d4f50e79c111c02741166): 'diffopt' "linematch" cannot be used with {n} less than 10
+* [9.1.1086](https://github.com/vim/vim/commit/76bdb82527a13b5b2baa8f7d7ce14b4d5dc05b82): completion doesn't work with multi lines\n* [9.1.1085](https://github.com/vim/vim/commit/746fe54d4f16ad1c5694cccc8bc8d93a97c050e1): filetype: cmmt files are not recognized\n* [9.1.1084](https://github.com/vim/vim/commit/b7147f8236c962cd74d1ce028d9106f1c449ea6c): Unable to persistently ignore events in a window and its buffers\n* [runtime(tex): improve syntax highlighting](https://github.com/vim/vim/commit/a35040f795fbf217b0a1e21b6b3a94ad56c2298b)\n* [9.1.1083](https://github.com/vim/vim/commit/a17f8bfb282805ee8ded014089d3094ef6dbf913): setreg() doesn't correctly handle mbyte chars in blockwise mode