Update runtime files
diff --git a/runtime/syntax/sh.vim b/runtime/syntax/sh.vim
index 0f4406d..3a2a6e7 100644
--- a/runtime/syntax/sh.vim
+++ b/runtime/syntax/sh.vim
@@ -2,8 +2,8 @@
" Language: shell (sh) Korn shell (ksh) bash (sh)
" Maintainer: Charles E. Campbell <NcampObell@SdrPchip.AorgM-NOSPAM>
" Previous Maintainer: Lennart Schultz <Lennart.Schultz@ecmwf.int>
-" Last Change: Oct 16, 2019
-" Version: 189
+" Last Change: Apr 14, 2020
+" Version: 190
" URL: http://www.drchip.org/astronaut/vim/index.html#SYNTAX_SH
" For options and settings, please use: :help ft-sh-syntax
" This file includes many ideas from Eric Brunet (eric.brunet@ens.fr)
@@ -357,19 +357,18 @@
syn region shExDoubleQuote matchGroup=Error start=+\$"+ skip=+\\\\\|\\.+ end=+"+ contains=shStringSpecial
endif
syn region shSingleQuote matchgroup=shQuote start=+'+ end=+'+ contains=@Spell nextgroup=shSpecialStart,shSpecialSQ
-syn region shDoubleQuote matchgroup=shQuote start=+\%(\%(\\\\\)*\\\)\@<!"+ skip=+\\"+ end=+"+ contains=@shDblQuoteList,shStringSpecial,@Spell nextgroup=shSpecialStart
-syn region shDoubleQuote matchgroup=shQuote start=+"+ skip=+\\"+ end=+"+ contained contains=@shDblQuoteList,shStringSpecial,@Spell nextgroup=shSpecialStart
+syn region shDoubleQuote matchgroup=shQuote start=+\%(\%(\\\\\)*\\\)\@<!"+ skip=+\\.+ end=+"+ contains=@shDblQuoteList,shStringSpecial,@Spell nextgroup=shSpecialStart
+syn region shDoubleQuote matchgroup=shQuote start=+"+ matchgroup=shSpecial skip=+\\"+ end=+"+ contained contains=@shDblQuoteList,shStringSpecial,@Spell nextgroup=shSpecialStart
syn match shStringSpecial "[^[:print:] \t]" contained
syn match shStringSpecial "[^\\]\zs\%(\\\\\)*\\[\\"'`$()#]" nextgroup=shComment
-syn match shStringSpecial "[^\\]\zs\%(\\\\\)*\\[\\"'`$()#]"
syn match shSpecialSQ "[^\\]\zs\%(\\\\\)*\\[\\"'`$()#]" contained nextgroup=shBkslshSnglQuote,@shNoZSList
syn match shSpecialDQ "[^\\]\zs\%(\\\\\)*\\[\\"'`$()#]" contained nextgroup=shBkslshDblQuote,@shNoZSList
syn match shSpecialStart "\%(\\\\\)*\\[\\"'`$()#]" contained nextgroup=shBkslshSnglQuote,shBkslshDblQuote,@shNoZSList
syn match shSpecial "^\%(\\\\\)*\\[\\"'`$()#]"
syn match shSpecialNoZS contained "\%(\\\\\)*\\[\\"'`$()#]"
syn match shSpecialNxt contained "\\[\\"'`$()#]"
-syn region shBkslshSnglQuote contained matchgroup=shQuote start=+'+ end=+'+ contains=@Spell nextgroup=shSpecialStart
-syn region shBkslshDblQuote contained matchgroup=shQuote start=+"+ skip=+\\"+ end=+"+ contains=@shDblQuoteList,shStringSpecial,@Spell nextgroup=shSpecialStart
+"syn region shBkslshSnglQuote contained matchgroup=shQuote start=+'+ end=+'+ contains=@Spell nextgroup=shSpecialStart
+"syn region shBkslshDblQuote contained matchgroup=shQuote start=+"+ skip=+\\"+ end=+"+ contains=@shDblQuoteList,shStringSpecial,@Spell nextgroup=shSpecialStart
" Comments: {{{1
"==========
@@ -454,13 +453,13 @@
syn match shDerefWordError "[^}$[~]" contained
endif
syn match shDerefSimple "\$\%(\h\w*\|\d\)" nextgroup=@shNoZSList
-syn region shDeref matchgroup=PreProc start="\${" end="}" contains=@shDerefList,shDerefVarArray
+syn region shDeref matchgroup=PreProc start="\${" end="}" contains=@shDerefList,shDerefVarArray nextgroup=shSpecialStart
syn match shDerefSimple "\$[-#*@!?]" nextgroup=@shNoZSList
syn match shDerefSimple "\$\$" nextgroup=@shNoZSList
-syn match shDerefSimple "\${\d}" nextgroup=@shNoZSList
+syn match shDerefSimple "\${\d}" nextgroup=@shNoZSList nextgroup=shSpecialStart
if exists("b:is_bash") || exists("b:is_kornshell") || exists("b:is_posix")
- syn region shDeref matchgroup=PreProc start="\${##\=" end="}" contains=@shDerefList nextgroup=@shSpecialNoZS
- syn region shDeref matchgroup=PreProc start="\${\$\$" end="}" contains=@shDerefList nextgroup=@shSpecialNoZS
+ syn region shDeref matchgroup=PreProc start="\${##\=" end="}" contains=@shDerefList nextgroup=@shSpecialNoZS,shSpecialStart
+ syn region shDeref matchgroup=PreProc start="\${\$\$" end="}" contains=@shDerefList nextgroup=@shSpecialNoZS,shSpecialStart
endif
" ksh: ${!var[*]} array index list syntax: {{{1