updated for version 7.0021
diff --git a/runtime/syntax/sh.vim b/runtime/syntax/sh.vim
index f8624ae..27ff775 100644
--- a/runtime/syntax/sh.vim
+++ b/runtime/syntax/sh.vim
@@ -2,8 +2,8 @@
" Language: shell (sh) Korn shell (ksh) bash (sh)
" Maintainer: Dr. Charles E. Campbell, Jr. <NdrOchipS@PcampbellAfamily.Mbiz>
" Previous Maintainer: Lennart Schultz <Lennart.Schultz@ecmwf.int>
-" Last Change: Jul 26, 2004
-" Version: 69
+" Last Change: Oct 17, 2004
+" Version: 70
" URL: http://www.erols.com/astronaut/vim/index.html#vimlinks_syntax
"
" Using the following VIM variables: {{{1
@@ -53,6 +53,9 @@
if !exists("g:sh_fold_enabled")
let g:sh_fold_enabled= 0
+elseif g:sh_fold_enabled != 0 && !has("folding")
+ let g:sh_fold_enabled= 0
+ echomsg "Ignoring g:sh_fold_enabled=".g:sh_fold_enabled."; re-compile vim for +fold support"
endif
" sh syntax is case sensitive
@@ -344,7 +347,7 @@
" Parameter Dereferencing: {{{1
" ========================
-syn match shDerefSimple "\$\w\+"
+syn match shDerefSimple "\$\%(\h\w*\|\d\)"
syn region shDeref matchgroup=PreProc start="\${" end="}" contains=@shDerefList,shDerefVarArray
syn match shDerefWordError "[^}$[]" contained
syn match shDerefSimple "\$[-#*@!?]"