Update runtime files
diff --git a/runtime/syntax/lisp.vim b/runtime/syntax/lisp.vim
index 434150a..90513e3 100644
--- a/runtime/syntax/lisp.vim
+++ b/runtime/syntax/lisp.vim
@@ -1,8 +1,8 @@
" Vim syntax file
" Language: Lisp
" Maintainer: Charles E. Campbell <NcampObell@SdrPchip.AorgM-NOSPAM>
-" Last Change: Jul 11, 2019
-" Version: 30
+" Last Change: Nov 10, 2021
+" Version: 31
" URL: http://www.drchip.org/astronaut/vim/index.html#SYNTAX_LISP
"
" Thanks to F Xavier Noria for a list of 978 Common Lisp symbols taken from HyperSpec
@@ -54,20 +54,20 @@
syn region lispParen8 contained matchgroup=hlLevel8 start="`\=(" end=")" skip="|.\{-}|" contains=@lispListCluster,lispParen9
syn region lispParen9 contained matchgroup=hlLevel9 start="`\=(" end=")" skip="|.\{-}|" contains=@lispListCluster,lispParen0
else
- syn region lispList matchgroup=lispParen start="(" skip="|.\{-}|" matchgroup=lispParen end=")" contains=@lispListCluster
- syn region lispBQList matchgroup=PreProc start="`(" skip="|.\{-}|" matchgroup=PreProc end=")" contains=@lispListCluster
+ syn region lispList matchgroup=lispParen start="(" skip="|.\{-}|" matchgroup=lispParen end=")" contains=@lispListCluster
+ syn region lispBQList matchgroup=PreProc start="`(" skip="|.\{-}|" matchgroup=PreProc end=")" contains=@lispListCluster
endif
" ---------------------------------------------------------------------
" Atoms: {{{1
-syn match lispAtomMark "'"
-syn match lispAtom "'("me=e-1 contains=lispAtomMark nextgroup=lispAtomList
-syn match lispAtom "'[^ \t()]\+" contains=lispAtomMark
-syn match lispAtomBarSymbol !'|..\{-}|! contains=lispAtomMark
-syn region lispAtom start=+'"+ skip=+\\"+ end=+"+
-syn region lispAtomList contained matchgroup=Special start="(" skip="|.\{-}|" matchgroup=Special end=")" contains=@lispAtomCluster,lispString,lispEscapeSpecial
-syn match lispAtomNmbr contained "\<\d\+"
-syn match lispLeadWhite contained "^\s\+"
+syn match lispAtomMark "'"
+syn match lispAtom "'("me=e-1 contains=lispAtomMark nextgroup=lispAtomList
+syn match lispAtom "'[^ \t()]\+" contains=lispAtomMark
+syn match lispAtomBarSymbol !'|..\{-}|! contains=lispAtomMark
+syn region lispAtom start=+'"+ skip=+\\"+ end=+"+
+syn region lispAtomList contained matchgroup=Special start="(" skip="|.\{-}|" matchgroup=Special end=")" contains=@lispAtomCluster,lispString,lispEscapeSpecial
+syn match lispAtomNmbr contained "\<\d\+"
+syn match lispLeadWhite contained "^\s\+"
" ---------------------------------------------------------------------
" Standard Lisp Functions and Macros: {{{1
@@ -553,6 +553,8 @@
syn cluster lispCommentGroup contains=lispTodo,@Spell
syn match lispComment ";.*$" contains=@lispCommentGroup
syn region lispCommentRegion start="#|" end="|#" contains=lispCommentRegion,@lispCommentGroup
+syn region lispComment start="#+nil" end="\ze)" contains=@lispCommentGroup
+syn match lispComment '^\s*#+nil.*$' contains=@lispCommentGroup
syn keyword lispTodo contained combak combak: todo todo:
" ---------------------------------------------------------------------