diff -r e85071312475 runtime/syntax/vim.vim
--- a/runtime/syntax/vim.vim	Tue May 07 05:18:20 2013 +0200
+++ b/runtime/syntax/vim.vim	Thu May 09 21:22:59 2013 +0200
@@ -96,8 +96,8 @@
 
 " Numbers {{{2
 " =======
-syn match vimNumber	"\<\d\+\([lL]\|\.\d\+\)\=" skipwhite nextgroup=vimGlobal,vimSubst,vimCommand
-syn match vimNumber	"-\d\+\([lL]\|\.\d\+\)\="  skipwhite nextgroup=vimGlobal,vimSubst,vimCommand
+syn match vimNumber	"\<\d\+\%(\.\d\+\%([eE][+-]\=\d\+\)\=\)\=" skipwhite nextgroup=vimGlobal,vimSubst,vimCommand
+syn match vimNumber	"-\d\+\%(\.\d\+\%([eE][+-]\=\d\+\)\=\)\="  skipwhite nextgroup=vimGlobal,vimSubst,vimCommand
 syn match vimNumber	"\<0[xX]\x\+"
 syn match vimNumber	"#\x\{6}"