Updated sh and vim syntax files. (Charles Campbell)
diff --git a/runtime/syntax/sh.vim b/runtime/syntax/sh.vim
index 2b1269f..ef057c9 100644
--- a/runtime/syntax/sh.vim
+++ b/runtime/syntax/sh.vim
@@ -3,7 +3,7 @@
" Maintainer: Dr. Charles E. Campbell, Jr. <NdrOchipS@PcampbellAfamily.Mbiz>
" Previous Maintainer: Lennart Schultz <Lennart.Schultz@ecmwf.int>
" Last Change: Apr 12, 2010
-" Version: 111
+" Version: 112
" URL: http://mysite.verizon.net/astronaut/vim/index.html#vimlinks_syntax
" For options and settings, please use: :help ft-sh-syntax
" This file includes many ideas from Éric Brunet (eric.brunet@ens.fr)
@@ -132,7 +132,7 @@
" Options: {{{1
" ====================
-syn match shOption "\s\zs[-+][a-zA-Z0-9]\+\>"
+syn match shOption "\s\zs[-+][-_a-zA-Z0-9]\+\>"
syn match shOption "\s\zs--[^ \t$`'"|]\+"
" File Redirection Highlighted As Operators: {{{1