Log Message:
Update to patchlevel 9.1.1206.

Changes:
- patch 9.1.1206: tests: test_filetype fails when a file is a directory
- runtime(doc): symlinking netrw.txt causes problems during install on Windows
- patch 9.1.1205: completion: preinserted text not removed when closing pum
- runtime(tutor): updated Russian translation for tutor chapter 1
- patch 9.1.1204: MS-Windows: crash when passing long string to expand()
- runtime(cs): Update C# runtime files
- patch 9.1.1203: matchparen keeps cursor on case label in sh filetype
- runtime(doc): fix a typo in gitrebase filetype
- runtime(doc): Tweak documentation style a bit
- runtime(vim): Sync syntax generator base file with output file.
- runtime(doc): update a few minor omissions from 5876016 and 4d2c4b9
- patch 9.1.1202: Missing TabClosedPre autocommand
- patch 9.1.1201: 'completefuzzycollect' does not handle dictionary correctly
- runtime(doc): make :h 'completefuzzycollect' a bit clearer
- runtime(doc): document gitrebase filetype
- translation(it): update menu_it
- translation(sr): Add chapter two of the new tutor
- patch 9.1.1200: cmdline pum not cleared for input() completion
- patch 9.1.1199: gvim uses hardcoded xpm icon file
- runtime(indent-tests): GitHub Actions doesn't show why indent tests failed
- patch 9.1.1198: [security]: potential data loss with zip.vim
- patch 9.1.1197: process_next_cpt_value() uses wrong condition
- patch 9.1.1196: filetype: config files for container tools are not recognized
- runtime(doc): remove unnecessary "an"
- patch 9.1.1195: inside try-block: fn body executed with default arg undefined
- runtime(doc): Update doc 52.6
- runtime(compiler): allow customizing exe and args for tsc
- runtime(compiler): add comment for Dispatch
- runtime(tera): remove unwanted code and fix issues in syntax script
- runtime(doc): clarify that a umask is applied to mkdir()
- patch 9.1.1194: filetype: false positive help filetype detection
- runtime(man): improve :Man completion for man-db
- patch 9.1.1193: Unnecessary use of STRCAT() in au_event_disable()
- translation(sr): Update Serbian messages translation
- runtime(doc): document vim syntax switches
- runtime(vim): Update base-syntax, improve :syntax highlighting
- patch 9.1.1192: Vim crashes with term response debug logging enabled
- runtime(vim): Update base-syntax and generator, only match valid predefined \ 
variables
- runtime(plsql): move fold option from syntax to filetype plugin
- patch 9.1.1191: tests: test for patch 9.1.1186 doesn't fail without the patch
- patch 9.1.1190: C indentation does not detect multibyte labels
- CI: Update clang to version 20
- runtime(sh): set b:match_skip to ignore matches for matchit
- patch 9.1.1189: if_python: build error due to incompatible pointer types
- patch 9.1.1188: runtime(tera): tera support can be improved
- patch 9.1.1187: matchparen plugin wrong highlights shell case statement
- runtime(doc): use GNOME instead of Gnome
- patch 9.1.1186: filetype: help files in git repos are not detected
- runtime(nohlsearch): fix CursorHold loop
- runtime(doc): warn users about potentially risky hotkey
- runtime(syntax-tests): Improve parts of "runtest.vim"
- patch 9.1.1185: endless loop with completefuzzycollect and no match found
- runtime(doc): CmdUndefined and FuncUndefined can always be nested
- patch 9.1.1184: Unnecessary use of vim_tolower() in vim_strnicmp_asc()
- patch 9.1.1083: "above" virtual text breaks cursorlineopt=number
- runtime(go): add 'keywordprg' and 'formatprg' to ftplugin
- runtime(syntax-tests): Re-introduce support for "phoney" languages
- patch 9.1.1182: No cmdline completion for 'completefuzzycollect'
- patch 9.1.1181: Unnecessary STRLEN() calls in insexpand.c
- patch 9.1.1180: short-description
- runtime(vim): Update base-syntax, bug fixes
- patch 9.1.1179: too many strlen() calls in misc2.c
- patch 9.1.1178: not possible to generate completion candidates using fuzzy matching
- editorconfig: set editing style for comment and hlsearch package
- patch 9.1.1177: filetype: tera files not detected
- runtime(doc): revert modeline change in vim9.txt
- runtime(new-tutor): add chapter two to the interactive tutorial
- patch 9.1.1176: wrong indent when expanding multiple lines
- test(runtime/syntax): improve syntax tests
- editorconfig: set indent config for *.vim files
- runtime(doc): mention alternative check for vim9script
- patch 9.1.1175: inconsistent behaviour with exclusive selection and motion commands
- runtime(man): don't add jumps when loading a manpage
- runtime(vim): recognize <...> strings (and keys) for 'keywordprg'
- patch 9.1.1174: tests: Test_complete_cmdline() may fail
- runtime(doc): mention bzip3 in gzip plugin documentation
- patch 9.1.1173: filetype: ABNF files are not detected
- patch 9.1.1172: [security]: overflow with 'nostartofline' and Ex command in \ 
tag file
- patch 9.1.1171: tests: wrong arguments passed to assert_equal()