updated for version 7.0001
diff --git a/runtime/syntax/csh.vim b/runtime/syntax/csh.vim
new file mode 100644
index 0000000..de3d3e2
--- /dev/null
+++ b/runtime/syntax/csh.vim
@@ -0,0 +1,160 @@
+" Vim syntax file
+" Language: C-shell (csh)
+" Maintainer: Dr. Charles E. Campbell, Jr. <NdrOchipS@PcampbellAfamily.Mbiz>
+" Version: 8
+" Last Change: Sep 02, 2003
+" URL: http://www.erols.com/astronaut/vim/index.html#vimlinks_syntax
+
+" For version 5.x: Clear all syntax items
+" For version 6.x: Quit when a syntax file was already loaded
+if version < 600
+ syntax clear
+elseif exists("b:current_syntax")
+ finish
+endif
+
+" clusters:
+syn cluster cshQuoteList contains=cshDblQuote,cshSnglQuote,cshBckQuote
+syn cluster cshVarList contains=cshExtVar,cshSelector,cshQtyWord,cshArgv,cshSubst
+
+" Variables which affect the csh itself
+syn match cshSetVariables contained "argv\|histchars\|ignoreeof\|noglob\|prompt\|status"
+syn match cshSetVariables contained "cdpath\|history\|mail\|nonomatch\|savehist\|time"
+syn match cshSetVariables contained "cwd\|home\|noclobber\|path\|shell\|verbose"
+syn match cshSetVariables contained "echo"
+
+syn case ignore
+syn keyword cshTodo contained todo
+syn case match
+
+" Variable Name Expansion Modifiers
+syn match cshModifier contained ":\(h\|t\|r\|q\|x\|gh\|gt\|gr\)"
+
+" Strings and Comments
+syn match cshNoEndlineDQ contained "[^\"]\(\\\\\)*$"
+syn match cshNoEndlineSQ contained "[^\']\(\\\\\)*$"
+syn match cshNoEndlineBQ contained "[^\`]\(\\\\\)*$"
+
+syn region cshDblQuote start=+[^\\]"+lc=1 skip=+\\\\\|\\"+ end=+"+ contains=cshSpecial,cshShellVariables,cshExtVar,cshSelector,cshQtyWord,cshArgv,cshSubst,cshNoEndlineDQ,cshBckQuote
+syn region cshSnglQuote start=+[^\\]'+lc=1 skip=+\\\\\|\\'+ end=+'+ contains=cshNoEndlineSQ
+syn region cshBckQuote start=+[^\\]`+lc=1 skip=+\\\\\|\\`+ end=+`+ contains=cshNoEndlineBQ
+syn region cshDblQuote start=+^"+ skip=+\\\\\|\\"+ end=+"+ contains=cshSpecial,cshExtVar,cshSelector,cshQtyWord,cshArgv,cshSubst,cshNoEndlineDQ
+syn region cshSnglQuote start=+^'+ skip=+\\\\\|\\'+ end=+'+ contains=cshNoEndlineSQ
+syn region cshBckQuote start=+^`+ skip=+\\\\\|\\`+ end=+`+ contains=cshNoEndlineBQ
+syn cluster cshCommentGroup contains=cshTodo,@Spell
+syn match cshComment "#.*$" contains=@cshCommentGroup
+
+" A bunch of useful csh keywords
+syn keyword cshStatement alias end history onintr setenv unalias
+syn keyword cshStatement cd eval kill popd shift unhash
+syn keyword cshStatement chdir exec login pushd source
+syn keyword cshStatement continue exit logout rehash time unsetenv
+syn keyword cshStatement dirs glob nice repeat umask wait
+syn keyword cshStatement echo goto nohup
+
+syn keyword cshConditional break case else endsw switch
+syn keyword cshConditional breaksw default endif
+syn keyword cshRepeat foreach
+
+" Special environment variables
+syn keyword cshShellVariables HOME LOGNAME PATH TERM USER
+
+" Modifiable Variables without {}
+syn match cshExtVar "\$[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier
+syn match cshSelector "\$[a-zA-Z_][a-zA-Z0-9_]*\[[a-zA-Z_]\+\]\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier
+syn match cshQtyWord "\$#[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier
+syn match cshArgv "\$\d\+\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier
+syn match cshArgv "\$\*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier
+
+" Modifiable Variables with {}
+syn match cshExtVar "\${[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}" contains=cshModifier
+syn match cshSelector "\${[a-zA-Z_][a-zA-Z0-9_]*\[[a-zA-Z_]\+\]\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}" contains=cshModifier
+syn match cshQtyWord "\${#[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}" contains=cshModifier
+syn match cshArgv "\${\d\+\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}" contains=cshModifier
+
+" UnModifiable Substitutions
+syn match cshSubstError "\$?[a-zA-Z_][a-zA-Z0-9_]*:\(h\|t\|r\|q\|x\|gh\|gt\|gr\)"
+syn match cshSubstError "\${?[a-zA-Z_][a-zA-Z0-9_]*:\(h\|t\|r\|q\|x\|gh\|gt\|gr\)}"
+syn match cshSubstError "\$?[0$<]:\(h\|t\|r\|q\|x\|gh\|gt\|gr\)"
+syn match cshSubst "\$?[a-zA-Z_][a-zA-Z0-9_]*"
+syn match cshSubst "\${?[a-zA-Z_][a-zA-Z0-9_]*}"
+syn match cshSubst "\$?[0$<]"
+
+" I/O redirection
+syn match cshRedir ">>&!\|>&!\|>>&\|>>!\|>&\|>!\|>>\|<<\|>\|<"
+
+" Handle set expressions
+syn region cshSetExpr matchgroup=cshSetStmt start="\<set\>\|\<unset\>" end="$\|;" contains=cshComment,cshSetStmt,cshSetVariables,@cshQuoteList
+
+" Operators and Expression-Using constructs
+"syn match cshOperator contained "&&\|!\~\|!=\|<<\|<=\|==\|=\~\|>=\|>>\|\*\|\^\|\~\|||\|!\|\|%\|&\|+\|-\|/\|<\|>\||"
+syn match cshOperator contained "&&\|!\~\|!=\|<<\|<=\|==\|=\~\|>=\|>>\|\*\|\^\|\~\|||\|!\|%\|&\|+\|-\|/\|<\|>\||"
+syn match cshOperator contained "[(){}]"
+syn region cshTest matchgroup=cshStatement start="\<if\>\|\<while\>" skip="\\$" matchgroup=cshStatement end="\<then\>\|$" contains=cshComment,cshOperator,@cshQuoteList,@cshVarLIst
+
+" Highlight special characters (those which have a backslash) differently
+syn match cshSpecial contained "\\\d\d\d\|\\[abcfnrtv\\]"
+syn match cshNumber "-\=\<\d\+\>"
+
+" All other identifiers
+"syn match cshIdentifier "\<[a-zA-Z._][a-zA-Z0-9._]*\>"
+
+" Shell Input Redirection (Here Documents)
+if version < 600
+ syn region cshHereDoc matchgroup=cshRedir start="<<-\=\s*\**END[a-zA-Z_0-9]*\**" matchgroup=cshRedir end="^END[a-zA-Z_0-9]*$"
+ syn region cshHereDoc matchgroup=cshRedir start="<<-\=\s*\**EOF\**" matchgroup=cshRedir end="^EOF$"
+else
+ syn region cshHereDoc matchgroup=cshRedir start="<<-\=\s*\**\z(\h\w*\)\**" matchgroup=cshRedir end="^\z1$"
+endif
+
+" Define the default highlighting.
+" For version 5.7 and earlier: only when not done already
+" For version 5.8 and later: only when an item doesn't have highlighting yet
+if version >= 508 || !exists("did_csh_syntax_inits")
+ if version < 508
+ let did_csh_syntax_inits = 1
+ command -nargs=+ HiLink hi link <args>
+ else
+ command -nargs=+ HiLink hi def link <args>
+ endif
+
+ HiLink cshArgv cshVariables
+ HiLink cshBckQuote cshCommand
+ HiLink cshDblQuote cshString
+ HiLink cshExtVar cshVariables
+ HiLink cshHereDoc cshString
+ HiLink cshNoEndlineBQ cshNoEndline
+ HiLink cshNoEndlineDQ cshNoEndline
+ HiLink cshNoEndlineSQ cshNoEndline
+ HiLink cshQtyWord cshVariables
+ HiLink cshRedir cshOperator
+ HiLink cshSelector cshVariables
+ HiLink cshSetStmt cshStatement
+ HiLink cshSetVariables cshVariables
+ HiLink cshSnglQuote cshString
+ HiLink cshSubst cshVariables
+
+ HiLink cshCommand Statement
+ HiLink cshComment Comment
+ HiLink cshConditional Conditional
+ HiLink cshIdentifier Error
+ HiLink cshModifier Special
+ HiLink cshNoEndline Error
+ HiLink cshNumber Number
+ HiLink cshOperator Operator
+ HiLink cshRedir Statement
+ HiLink cshRepeat Repeat
+ HiLink cshShellVariables Special
+ HiLink cshSpecial Special
+ HiLink cshStatement Statement
+ HiLink cshString String
+ HiLink cshSubstError Error
+ HiLink cshTodo Todo
+ HiLink cshVariables Type
+
+ delcommand HiLink
+endif
+
+let b:current_syntax = "csh"
+
+" vim: ts=18