Update runtime files.
diff --git a/runtime/syntax/c.vim b/runtime/syntax/c.vim
index 7af0067..4553519 100644
--- a/runtime/syntax/c.vim
+++ b/runtime/syntax/c.vim
@@ -1,7 +1,7 @@
" Vim syntax file
" Language: C
" Maintainer: Bram Moolenaar <Bram@vim.org>
-" Last Change: 2012 Jan 04
+" Last Change: 2012 Jan 14
" Quit when a (custom) syntax file was already loaded
if exists("b:current_syntax")
@@ -62,6 +62,25 @@
syn match cSpecialCharacter display "'\\x\x\{1,2}'"
syn match cSpecialCharacter display "L'\\x\x\+'"
+if !exists("c_no_c11") " ISO C11
+ if exists("c_no_cformat")
+ syn region cString start=+\%(U\|u8\=\)"+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,@Spell
+ else
+ syn region cString start=+\%(U\|u8\=\)"+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell
+ endif
+ syn match cCharacter "[Uu]'[^\\]'"
+ syn match cCharacter "[Uu]'[^']*'" contains=cSpecial
+ if exists("c_gnu")
+ syn match cSpecialError "[Uu]'\\[^'\"?\\abefnrtv]'"
+ syn match cSpecialCharacter "[Uu]'\\['\"?\\abefnrtv]'"
+ else
+ syn match cSpecialError "[Uu]'\\[^'\"?\\abfnrtv]'"
+ syn match cSpecialCharacter "[Uu]'\\['\"?\\abfnrtv]'"
+ endif
+ syn match cSpecialCharacter display "[Uu]'\\\o\{1,3}'"
+ syn match cSpecialCharacter display "[Uu]'\\x\x\+'"
+endif
+
"when wanted, highlight trailing white space
if exists("c_space_errors")
if !exists("c_no_trail_space_error")
@@ -211,6 +230,7 @@
syn keyword cStorageClass _Noreturn noreturn
syn keyword cOperator _Static_assert static_assert
syn keyword cStorageClass _Thread_local thread_local
+ syn keyword cType char16_t char32_t
endif
if !exists("c_no_ansi") || exists("c_ansi_constants") || exists("c_gnu")