patch 9.1.0532: filetype: Cedar files not recognized

Problem:  filetype: Cedar files not recognized
Solution: Detect '*.cedar' files as cedar filetype
          (Riley Bruins)

References: https://github.com/cedar-policy

closes: #15148

Signed-off-by: Riley Bruins <ribru17@hotmail.com>
Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

.github/MAINTAINERS

@@ -113,6 +113,7 @@ runtime/ftplugin/astro.vim		@romainl
 runtime/ftplugin/awk.vim		@dkearns
 runtime/ftplugin/basic.vim		@dkearns
 runtime/ftplugin/bst.vim		@tpope
+runtime/ftplugin/cedar.vim		@ribru17
 runtime/ftplugin/cfg.vim		@chrisbra
 runtime/ftplugin/chatito.vim		@ObserverOfTime
 runtime/ftplugin/chicken.vim		@evhan

runtime/filetype.vim

@@ -321,6 +321,9 @@ au BufNewFile,BufRead *.toc
 " Cdrdao config
 au BufNewFile,BufRead */etc/cdrdao.conf,*/etc/defaults/cdrdao,*/etc/default/cdrdao,.cdrdao	setf cdrdaoconf
 
+" Cedar
+au BufNewFile,BufRead *.cedar			setf cedar
+
 " Cfengine
 au BufNewFile,BufRead cfengine.conf		setf cfengine
 

runtime/ftplugin/cedar.vim

@@ -0,0 +1,13 @@
+" Vim filetype plugin
+" Language:	Cedar
+" Maintainer:	Riley Bruins <ribru17@gmail.com>
+" Last Change:	2024 Jul 4
+
+if exists('b:did_ftplugin')
+  finish
+endif
+let b:did_ftplugin = 1
+
+setl comments=:// commentstring=//\ %s
+
+let b:undo_ftplugin = 'setl com< cms<'

src/testdir/test_filetype.vim

@@ -142,6 +142,7 @@ def s:GetFilenameChecks(): dict<list<string>>
     cdl: ['file.cdl'],
     cdrdaoconf: ['/etc/cdrdao.conf', '/etc/defaults/cdrdao', '/etc/default/cdrdao', '.cdrdao', 'any/etc/cdrdao.conf', 'any/etc/default/cdrdao', 'any/etc/defaults/cdrdao'],
     cdrtoc: ['file.toc'],
+    cedar: ['file.cedar'],
     cf: ['file.cfm', 'file.cfi', 'file.cfc'],
     cfengine: ['cfengine.conf'],
     cfg: ['file.hgrc', 'filehgrc', 'hgrc', 'some-hgrc'],

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    532,
 /**/
     531,
 /**/