Update runtime files.
diff --git a/runtime/syntax/cs.vim b/runtime/syntax/cs.vim
index eeb9902..3356416 100644
--- a/runtime/syntax/cs.vim
+++ b/runtime/syntax/cs.vim
@@ -3,7 +3,7 @@
" Maintainer: Nick Jensen <nickspoon@gmail.com>
" Former Maintainers: Anduin Withers <awithers@anduin.com>
" Johannes Zellner <johannes@zellner.org>
-" Last Change: 2019-08-01
+" Last Change: 2020-01-27
" Filenames: *.cs
" License: Vim (see :h license)
" Repository: https://github.com/nickspoons/vim-cs
@@ -97,6 +97,8 @@
syn include @csXml syntax/xml.vim
hi def link xmlRegion Comment
+" Since syntax/xml.vim contains `syn spell toplevel`, we need to set it back to `default` here.
+syn spell default
" [1] 9.5 Pre-processing directives
syn region csPreCondit start="^\s*#\s*\(define\|undef\|if\|elif\|else\|endif\|line\|error\|warning\)" skip="\\$" end="$" contains=csComment keepend