updated for version 7.0001
diff --git a/runtime/syntax/yaml.vim b/runtime/syntax/yaml.vim
new file mode 100644
index 0000000..56e578b
--- /dev/null
+++ b/runtime/syntax/yaml.vim
@@ -0,0 +1,105 @@
+" Vim syntax file
+" Language: YAML (YAML Ain't Markup Language)
+" Maintainer: Nikolai Weibull <source@pcppopper.org>
+" URL: http://www.pcppopper.org/vim/syntax/pcp/yaml/
+" Latest Revision: 2004-05-22
+" arch-tag: 01bf8ef1-335f-4692-a228-4846cb64cd16
+
+if version < 600
+ syntax clear
+elseif exists("b:current_syntax")
+ finish
+endif
+
+" Todo
+syn keyword yamlTodo contained TODO FIXME XXX NOTE
+
+" Comments (4.2.2)
+syn region yamlComment matchgroup=yamlComment start='\%(^\|\s\)#' end='$' contains=yamlTodo
+
+" Node Properties (4.3.4)
+syn match yamlNodeProperty '!\%(![^\\^% ]\+\|[^!][^:/ ]*\)'
+
+" Anchors (4.3.6)
+syn match yamlAnchor '&.\+'
+
+" Aliases (4.3.7)
+syn match yamlAlias '\*.\+'
+
+" Operators, Blocks, Keys, and Delimiters
+syn match yamlDelimiter '[-,:]'
+syn match yamlBlock '[\[\]{}>|]'
+syn match yamlOperator '[?+-]'
+syn match yamlKey '\w\+\(\s\+\w\+\)*\ze\s*:'
+
+" Strings (4.6.8, 4.6.9)
+syn region yamlString start=+"+ skip=+\\"+ end=+"+ contains=yamlEscape
+syn region yamlString start=+'+ skip=+''+ end=+'+ contains=yamlSingleEscape
+syn match yamlEscape contained +\\[\\"abefnrtv^0_ NLP]+
+syn match yamlEscape contained '\\x\x\{2}'
+syn match yamlEscape contained '\\u\x\{4}'
+syn match yamlEscape contained '\\U\x\{8}'
+" TODO: how do we get 0x85, 0x2028, and 0x2029 into this?
+syn match yamlEscape '\\\%(\r\n\|[\r\n]\)'
+syn match yamlSingleEscape contained +''+
+
+" Numbers
+" TODO: sexagecimal and fixed (20:30.15 and 1,230.15)
+syn match yamlNumber '\<[+-]\=\d\+\%(\.\d\+\%([eE][+-]\=\d\+\)\=\)\='
+syn match yamlNumber '0\o\+'
+syn match yamlNumber '0x\x\+'
+syn match yamlNumber '([+-]\=[iI]nf)'
+syn match yamlNumber '(NaN)'
+
+" Constants
+syn match yamlConstant '\<[~yn]\>'
+syn keyword yamlConstant true True TRUE false False FALSE
+syn keyword yamlConstant yes Yes on ON no No off OFF
+syn keyword yamlConstant null Null NULL nil Nil NIL
+
+" Timestamps
+syn match yamlTimestamp '\d\d\d\d-\%(1[0-2]\|\d\)-\%(3[0-2]\|2\d\|1\d\|\d\)\%( \%([01]\d\|2[0-3]\):[0-5]\d:[0-5]\d.\d\d [+-]\%([01]\d\|2[0-3]\):[0-5]\d\|t\%([01]\d\|2[0-3]\):[0-5]\d:[0-5]\d.\d\d[+-]\%([01]\d\|2[0-3]\):[0-5]\d\|T\%([01]\d\|2[0-3]\):[0-5]\d:[0-5]\d.\dZ\)\='
+
+" Documents (4.3.1)
+syn region yamlDocumentHeader start='---' end='$' contains=yamlDirective
+syn match yamlDocumentEnd '\.\.\.'
+
+" Directives (4.3.2)
+syn match yamlDirective contained '%[^:]\+:.\+'
+
+" Define the default highlighting.
+" For version 5.7 and earlier: only when not done already
+" For version 5.8 and later: only when an item doesn't have highlighting yet
+if version >= 508 || !exists("did_yaml_syn_inits")
+ if version < 508
+ let did_yaml_syn_inits = 1
+ command -nargs=+ HiLink hi link <args>
+ else
+ command -nargs=+ HiLink hi def link <args>
+ endif
+
+ HiLink yamlTodo Todo
+ HiLink yamlComment Comment
+ HiLink yamlDocumentHeader PreProc
+ HiLink yamlDocumentEnd PreProc
+ HiLink yamlDirective Keyword
+ HiLink yamlNodeProperty Type
+ HiLink yamlAnchor Type
+ HiLink yamlAlias Type
+ HiLink yamlDelimiter Delimiter
+ HiLink yamlBlock Operator
+ HiLink yamlOperator Operator
+ HiLink yamlKey Identifier
+ HiLink yamlString String
+ HiLink yamlEscape SpecialChar
+ HiLink yamlSingleEscape SpecialChar
+ HiLink yamlNumber Number
+ HiLink yamlConstant Constant
+ HiLink yamlTimestamp Number
+
+ delcommand HiLink
+endif
+
+let b:current_syntax = "yaml"
+
+" vim: set sts=2 sw=2: