Update runtime files
diff --git a/runtime/syntax/gitattributes.vim b/runtime/syntax/gitattributes.vim
new file mode 100644
index 0000000..b6d997f
--- /dev/null
+++ b/runtime/syntax/gitattributes.vim
@@ -0,0 +1,63 @@
+" Vim syntax file
+" Language: git attributes
+" Maintainer: ObserverOfTime <chronobserver@disroot.org>
+" Filenames: .gitattributes, *.git/info/attributes
+" Last Change: 2022 Sep 09
+
+if exists('b:current_syntax')
+ finish
+endif
+
+let s:cpo_save = &cpoptions
+set cpoptions&vim
+
+" Comment
+syn keyword gitattributesTodo contained TODO FIXME XXX
+syn match gitattributesComment /^\s*#.*/ contains=gitattributesTodo
+
+" Pattern
+syn match gitattributesPattern /^\s*#\@!\(".\+"\|\S\+\)/ skipwhite
+ \ nextgroup=gitattributesAttrPrefixed,gitattributesAttrAssigned skipwhite
+ \ contains=gitattributesGlob,gitattributesRange,gitattributesSeparator
+syn match gitattributesGlob /\\\@1<![?*]/ contained
+syn match gitattributesRange /\\\@1<!\[.\{-}\]/ contained
+syn match gitattributesSeparator '/' contained
+
+" Attribute
+syn match gitattributesAttrPrefixed /[!-]\?[A-Za-z0-9_.][-A-Za-z0-9_.]*/
+ \ transparent contained skipwhite
+ \ nextgroup=gitattributesAttrPrefixed,gitattributesAttrAssigned
+ \ contains=gitattributesPrefix,gitattributesName
+syn match gitattributesAttrAssigned /[A-Za-z0-9_.][-A-Za-z0-9_.]*=\S\+/
+ \ transparent contained skipwhite
+ \ nextgroup=gitattributesAttrPrefixed,gitattributesAttrAssigned
+ \ contains=gitattributesName,gitattributesAssign,gitattributesBoolean,gitattributesString
+syn match gitattributesName /[A-Za-z0-9_.][-A-Za-z0-9_.]*/
+ \ contained nextgroup=gitattributesAssign
+syn match gitattributesPrefix /[!-]/ contained
+ \ nextgroup=gitAttributesName
+syn match gitattributesAssign '=' contained
+ \ nextgroup=gitattributesBoolean,gitattributesString
+syn match gitattributesString /=\@1<=\S\+/ contained
+syn keyword gitattributesBoolean true false contained
+
+" Macro
+syn match gitattributesMacro /^\s*\[attr\]\s*\S\+/
+ \ nextgroup=gitattributesAttribute skipwhite
+
+hi def link gitattributesAssign Operator
+hi def link gitattributesBoolean Boolean
+hi def link gitattributesComment Comment
+hi def link gitattributesGlob Special
+hi def link gitattributesMacro Define
+hi def link gitattributesName Identifier
+hi def link gitattributesPrefix SpecialChar
+hi def link gitattributesRange Special
+hi def link gitattributesSeparator Delimiter
+hi def link gitattributesString String
+hi def link gitattributesTodo Todo
+
+let b:current_syntax = 'gitattributes'
+
+let &cpoptions = s:cpo_save
+unlet s:cpo_save