Added the undofile() function. Updated runtime files.
diff --git a/runtime/syntax/yaml.vim b/runtime/syntax/yaml.vim
index 9ebab70..4e93d67 100644
--- a/runtime/syntax/yaml.vim
+++ b/runtime/syntax/yaml.vim
@@ -1,7 +1,7 @@
" Vim syntax file
" Language: YAML (YAML Ain't Markup Language)
" Maintainer: Nikolai Weibull <now@bitwi.se>
-" Latest Revision: 2006-04-19
+" Latest Revision: 2010-05-30
if exists("b:current_syntax")
finish
@@ -17,7 +17,7 @@
syn match yamlNodeProperty '!\%(![^\\^% ]\+\|[^!][^:/ ]*\)'
-syn match yamlAnchor '&.\+'
+syn match yamlAnchor '&[^ \t]\+'
syn match yamlAlias '\*.\+'