Merge pull request #455 from brandon1024/root-symbol-highlight

renderer: fix syntax highlight for root symbol

Author: lambdalisue

autoload/fern/renderer/default.vim

@@ -40,7 +40,7 @@ endfunction
 function! s:syntax() abort
   syntax match FernLeaf   /^.*[^/].*$/ transparent contains=FernLeafSymbol
   syntax match FernBranch /^.*\/.*$/   transparent contains=FernBranchSymbol
-  syntax match FernRoot   /\%1l.*/       transparent contains=FernRootText
+  syntax match FernRoot   /\%1l.*/       transparent contains=FernRootSymbol
   execute printf(
         \ 'syntax match FernRootSymbol /%s/ contained nextgroup=FernRootText',
         \ escape(g:fern#renderer#default#root_symbol, s:ESCAPE_PATTERN),

doc/fern-develop.txt

@@ -561,7 +561,7 @@ nodes as a tree.
 	Return a promise which is resolved to a list of |String|.
 
 	Change (v1.6.0):~
-	Second argumet ({marks}) has removed.
+	Second argument ({marks}) has removed.
 
 					*fern-develop-renderer.index()*
 .index({lnum})