Update runtime files.
diff --git a/runtime/syntax/xxd.vim b/runtime/syntax/xxd.vim
index f3c43e8..2f90b6b 100644
--- a/runtime/syntax/xxd.vim
+++ b/runtime/syntax/xxd.vim
@@ -1,8 +1,8 @@
" Vim syntax file
" Language: bin using xxd
-" Maintainer: Charles E. Campbell <NdrOchipS@PcampbellAfamily.Mbiz>
+" Maintainer: Charles E. Campbell <NcampObell@SdrPchip.AorgM-NOSPAM>
" Last Change: Aug 31, 2016
-" Version: 10
+" Version: 11
" Notes: use :help xxd to see how to invoke it
" URL: http://www.drchip.org/astronaut/vim/index.html#SYNTAX_XXD