runtime(vim): Update syntax file (#13969)
Improve string interpolation highlighting.
Use the vimSep group to highlight interpolation braces as vimOperParen
has no highlighting of its own and employs vimSep via matchgroup.
Add vimNumber to the interpolation group's contained list.
Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: thinca <thinca@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index 2179953..e9feb35 100644
--- a/runtime/syntax/vim.vim
+++ b/runtime/syntax/vim.vim
@@ -377,7 +377,7 @@
syn region vimString start=+$'+ end=+'+ skip=+''+ oneline contains=vimStringInterpolationBrace,vimStringInterpolationExpr
syn region vimString start=+$"+ end=+"+ oneline contains=@vimStringGroup,vimStringInterpolationBrace,vimStringInterpolationExpr
-syn region vimStringInterpolationExpr matchgroup=vimOperParen start=+{+ end=+}+ oneline contains=vimFunc,vimFuncVar,vimOper,vimNotation,vimOperParen,vimString,vimVar
+syn region vimStringInterpolationExpr matchgroup=vimSep start=+{+ end=+}+ oneline contains=vimFunc,vimFuncVar,vimOper,vimOperParen,vimNotation,vimNumber,vimString,vimVar
syn match vimStringInterpolationBrace "{{"
syn match vimStringInterpolationBrace "}}"