Update runtime files.
diff --git a/runtime/syntax/css.vim b/runtime/syntax/css.vim
index 3dc3f5c..23db7b1 100644
--- a/runtime/syntax/css.vim
+++ b/runtime/syntax/css.vim
@@ -6,7 +6,8 @@
 "               Nikolai Weibull (Add CSS2 support)
 " Maintainer:   Jules Wang      <w.jq0722@gmail.com>
 " URL:          https://github.com/JulesWang/css.vim
-" Last Change:  2015 Apr.17
+" Last Change:  2017 Jan 14
+"  		cssClassName updated by Ryuichi Hayashida Jan 2016
 
 " quit when a syntax file was already loaded
 if !exists("main_syntax")
@@ -56,7 +57,7 @@
 syn region cssAttributeSelector matchgroup=cssSelectorOp start="\[" end="]" contains=cssUnicodeEscape,cssSelectorOp2,cssStringQ,cssStringQQ
 
 " .class and #id
-syn match cssClassName "\.[A-Za-z][A-Za-z0-9_-]\+" contains=cssClassNameDot
+syn match cssClassName "\.-\=[A-Za-z_][A-Za-z0-9_-]*" contains=cssClassNameDot
 syn match cssClassNameDot contained '\.'
 
 try
diff --git a/runtime/syntax/debchangelog.vim b/runtime/syntax/debchangelog.vim
index a10e4ad..eb02aaf 100644
--- a/runtime/syntax/debchangelog.vim
+++ b/runtime/syntax/debchangelog.vim
@@ -3,7 +3,7 @@
 " Maintainer:  Debian Vim Maintainers <pkg-vim-maintainers@lists.alioth.debian.org>
 " Former Maintainers: Gerfried Fuchs <alfie@ist.org>
 "                     Wichert Akkerman <wakkerma@debian.org>
-" Last Change: 2016 Aug 30
+" Last Change: 2016 Nov 12
 " URL: https://anonscm.debian.org/cgit/pkg-vim/vim.git/plain/runtime/syntax/debchangelog.vim
 
 " Standard syntax initialization
@@ -21,7 +21,7 @@
 syn match debchangelogName	contained "^[[:alnum:]][[:alnum:].+-]\+ "
 exe 'syn match debchangelogFirstKV	contained "; \('.urgency.'\|'.binNMU.'\)"'
 exe 'syn match debchangelogOtherKV	contained ", \('.urgency.'\|'.binNMU.'\)"'
-syn match debchangelogTarget	contained "\v %(frozen|unstable|sid|%(testing|%(old)=stable)%(-proposed-updates|-security)=|experimental|squeeze-%(backports%(-sloppy)=|volatile|lts|security)|wheezy-%(backports%(-sloppy)=|security)|jessie%(-backports|-security)=|stretch|%(devel|precise|trusty|vivid|wily|xenial|yakkety)%(-%(security|proposed|updates|backports|commercial|partner))=)+"
+syn match debchangelogTarget	contained "\v %(frozen|unstable|sid|%(testing|%(old)=stable)%(-proposed-updates|-security)=|experimental|squeeze-%(backports%(-sloppy)=|volatile|lts|security)|wheezy-%(backports%(-sloppy)=|security)|jessie%(-backports|-security)=|stretch|%(devel|precise|trusty|vivid|wily|xenial|yakkety|zesty)%(-%(security|proposed|updates|backports|commercial|partner))=)+"
 syn match debchangelogVersion	contained "(.\{-})"
 syn match debchangelogCloses	contained "closes:\_s*\(bug\)\=#\=\_s\=\d\+\(,\_s*\(bug\)\=#\=\_s\=\d\+\)*"
 syn match debchangelogLP	contained "\clp:\s\+#\d\+\(,\s*#\d\+\)*"
diff --git a/runtime/syntax/debcontrol.vim b/runtime/syntax/debcontrol.vim
index b52c496..b1bc9f8 100644
--- a/runtime/syntax/debcontrol.vim
+++ b/runtime/syntax/debcontrol.vim
@@ -38,7 +38,7 @@
 syn match debcontrolMultiArch contained "\%(no\|foreign\|allowed\|same\)"
 syn match debcontrolName contained "[a-z0-9][a-z0-9+.-]\+"
 syn match debcontrolPriority contained "\(extra\|important\|optional\|required\|standard\)"
-syn match debcontrolSection contained "\v((contrib|non-free|non-US/main|non-US/contrib|non-US/non-free|restricted|universe|multiverse)/)?(admin|cli-mono|comm|database|debian-installer|debug|devel|doc|editors|education|electronics|embedded|fonts|games|gnome|gnustep|gnu-r|graphics|hamradio|haskell|httpd|interpreters|introspection|java|kde|kernel|libs|libdevel|lisp|localization|mail|math|metapackages|misc|net|news|ocaml|oldlibs|otherosfs|perl|php|python|ruby|science|shells|sound|text|tex|utils|vcs|video|web|x11|xfce|zope)"
+syn match debcontrolSection contained "\v((contrib|non-free|non-US/main|non-US/contrib|non-US/non-free|restricted|universe|multiverse)/)?(admin|cli-mono|comm|database|debian-installer|debug|devel|doc|editors|education|electronics|embedded|fonts|games|gnome|gnustep|gnu-r|graphics|hamradio|haskell|httpd|interpreters|introspection|java|javascript|kde|kernel|libs|libdevel|lisp|localization|mail|math|metapackages|misc|net|news|ocaml|oldlibs|otherosfs|perl|php|python|ruby|rust|science|shells|sound|text|tex|utils|vcs|video|web|x11|xfce|zope)"
 syn match debcontrolPackageType contained "u\?deb"
 syn match debcontrolVariable contained "\${.\{-}}"
 syn match debcontrolDmUpload contained "\cyes"
diff --git a/runtime/syntax/debsources.vim b/runtime/syntax/debsources.vim
index 2777944..390c430 100644
--- a/runtime/syntax/debsources.vim
+++ b/runtime/syntax/debsources.vim
@@ -2,7 +2,7 @@
 " Language:     Debian sources.list
 " Maintainer:   Debian Vim Maintainers <pkg-vim-maintainers@lists.alioth.debian.org>
 " Former Maintainer: Matthijs Mohlmann <matthijs@cacholong.nl>
-" Last Change: 2016 Sep 27
+" Last Change: 2016 Nov 12
 " URL: https://anonscm.debian.org/cgit/pkg-vim/vim.git/plain/runtime/syntax/debsources.vim
 
 " Standard syntax initialization
@@ -25,7 +25,7 @@
       \ 'oldstable', 'stable', 'testing', 'unstable', 'experimental',
       \ 'squeeze', 'wheezy', 'jessie', 'stretch', 'sid', 'rc-buggy',
       \
-      \ 'precise', 'trusty', 'xenial', 'yakkety', 'devel'
+      \ 'precise', 'trusty', 'xenial', 'yakkety', 'zesty', 'devel'
       \ ]
 let s:unsupported = [
       \ 'buzz', 'rex', 'bo', 'hamm', 'slink', 'potato',