Update runtime files
diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index e0096f6..dcaf23d 100644
--- a/runtime/syntax/vim.vim
+++ b/runtime/syntax/vim.vim
@@ -1,7 +1,7 @@
" Vim syntax file
" Language: Vim 8.0 script
" Maintainer: Charles E. Campbell <NdrOchipS@PcampbellAfamily.Mbiz>
-" Last Change: October 31, 2019
+" Last Change: Nov 10, 2019
" Version: 8.0-27
" URL: http://www.drchip.org/astronaut/vim/index.html#SYNTAX_VIM
" Automatically generated keyword lists: {{{1
@@ -236,7 +236,7 @@
" Functions : Tag is provided for those who wish to highlight tagged functions {{{2
" =========
syn cluster vimFuncList contains=vimCommand,vimFunctionError,vimFuncKey,Tag,vimFuncSID
-syn cluster vimFuncBodyList contains=vimAbb,vimAddress,vimAugroupKey,vimAutoCmd,vimCmplxRepeat,vimComment,vimContinue,vimCtrlChar,vimEcho,vimEchoHL,vimExecute,vimIsCommand,vimFBVar,vimFunc,vimFunction,vimFuncVar,vimGlobal,vimHighlight,vimIsCommand,vimLet,vimLineComment,vimMap,vimMark,vimNorm,vimNotation,vimNotFunc,vimNumber,vimOper,vimOperParen,vimRegion,vimRegister,vimSearch,vimSet,vimSpecFile,vimString,vimSubst,vimSynLine,vimUnmap,vimUserCommand
+syn cluster vimFuncBodyList contains=vimAbb,vimAddress,vimAugroupKey,vimAutoCmd,vimCmplxRepeat,vimComment,vimContinue,vimCtrlChar,vimEcho,vimEchoHL,vimExecute,vimIsCommand,vimFBVar,vimFunc,vimFunction,vimFuncVar,vimGlobal,vimHighlight,vimIsCommand,vimLet,vimLetHereDoc,vimLineComment,vimMap,vimMark,vimNorm,vimNotation,vimNotFunc,vimNumber,vimOper,vimOperParen,vimRegion,vimRegister,vimSearch,vimSet,vimSpecFile,vimString,vimSubst,vimSynLine,vimUnmap,vimUserCommand
syn match vimFunction "\<fu\%[nction]!\=\s\+\%(<[sS][iI][dD]>\|[sSgGbBwWtTlL]:\)\=\%(\i\|[#.]\|{.\{-1,}}\)*\ze\s*(" contains=@vimFuncList nextgroup=vimFuncBody
if exists("g:vimsyn_folding") && g:vimsyn_folding =~# 'f'
@@ -379,8 +379,7 @@
" Let: {{{2
" ===
syn keyword vimLet let unl[et] skipwhite nextgroup=vimVar,vimFuncVar,vimLetHereDoc
-VimFoldh syn region vimLetHereDoc matchgroup=vimLetHereDocStart start='=<<\s\+\%(trim\>\)\=\s*\z([^a-z]\S*\)' matchgroup=vimLetHereDocStop end='^\s*\z1\s*$' contains=vimComment
-syn cluster vimFuncBodyList add=vimLetHereDoc
+VimFoldh syn region vimLetHereDoc matchgroup=vimLetHereDocStart start='=<<\s\+\%(trim\>\)\=\s*\z(\L\S*\)' matchgroup=vimLetHereDocStop end='^\s*\z1\s*$' contains=vimComment
" Abbreviations: {{{2
" =============