Update runtime files.
diff --git a/runtime/syntax/cpp.vim b/runtime/syntax/cpp.vim
index 5a478fb..9cb0860 100644
--- a/runtime/syntax/cpp.vim
+++ b/runtime/syntax/cpp.vim
@@ -2,7 +2,7 @@
" Language: C++
" Current Maintainer: vim-jp (https://github.com/vim-jp/vim-cpp)
" Previous Maintainer: Ken Shan <ccshan@post.harvard.edu>
-" Last Change: 2016 Oct 28
+" Last Change: 2017 Jun 05
" quit when a syntax file was already loaded
if exists("b:current_syntax")
@@ -48,7 +48,7 @@
if !exists("cpp_no_cpp14")
syn case ignore
syn match cppNumber display "\<0b[01]\('\=[01]\+\)*\(u\=l\{0,2}\|ll\=u\)\>"
- syn match cppNumber display "\<[1-9]\('\=\d\+\)*\(u\=l\{0,2}\|ll\=u\)\>"
+ syn match cppNumber display "\<[1-9]\('\=\d\+\)*\(u\=l\{0,2}\|ll\=u\)\>" contains=cFloat
syn match cppNumber display "\<0x\x\('\=\x\+\)*\(u\=l\{0,2}\|ll\=u\)\>"
syn case match
endif