Update runtime files.

Add missing test files.

runtime/syntax/mallard.vim

@@ -0,0 +1,37 @@
+" Vim syntax file
+" Language:    Mallard
+" Maintainer:  Jaromir Hradilek <jhradilek@gmail.com>
+" URL:         https://github.com/jhradilek/vim-syntax
+" Last Change: 11 February 2013
+" Description: A syntax file for the Mallard markup language according to
+"              Mallard 1.0 DRAFT as of 2013-02-11.
+
+if exists("b:current_syntax")
+  finish
+endif
+
+do Syntax xml
+syn cluster xmlTagHook add=mallardTagName
+syn spell toplevel
+syn case match
+
+syn keyword mallardTagName app cite cmd code col colgroup comment contained
+syn keyword mallardTagName credit desc em email example figure contained
+syn keyword mallardTagName file gui guiseq info input item key contained
+syn keyword mallardTagName keyseq license link links list listing contained
+syn keyword mallardTagName media name note output p page quote contained
+syn keyword mallardTagName revision screen section span steps contained
+syn keyword mallardTagName subtitle synopsis sys table tbody td contained
+syn keyword mallardTagName terms tfoot thead title tr tree var contained
+syn keyword mallardTagName years contained
+
+syn region mallardComment start="<comment\>" end="</comment>"me=e-10 contains=xmlTag,xmlNamespace,xmlTagName,xmlEndTag,xmlRegion,xmlEntity,@Spell keepend
+syn region mallardEmphasis start="<em\>" end="</em>"me=e-5 contains=xmlTag,xmlNamespace,xmlTagName,xmlEndTag,xmlRegion,xmlEntity,@Spell keepend
+syn region mallardTitle start="<title\>" end="</title>"me=e-8 contains=xmlTag,xmlNamespace,xmlTagName,xmlEndTag,xmlRegion,xmlEntity,@Spell keepend
+
+hi def link mallardComment  Comment
+hi def link mallardTagName  Statement
+hi def link mallardTitle    Title
+hi def mallardEmphasis term=italic cterm=italic gui=italic
+
+let b:current_syntax = "mallard"