Do not throw error if current text is on top level.

Author: kristijanhusak

lua/orgmode/parser/file.lua

@@ -47,14 +47,18 @@ function File:_parse()
 end
 
 function File:get_errors()
-  local has_error = self.tree:root():has_error()
-  if not has_error then
+  if not self:has_errors() then
     return nil
   end
 
   return self:get_ts_matches('(ERROR) @err')
 end
 
+---@return boolean
+function File:has_errors()
+  return self.tree:root():has_error()
+end
+
 function File:convert_to_file_node(node)
   local text = self:get_node_text(node)
   local stars = text:match('^%*+')

lua/orgmode/parser/files.lua

@@ -215,7 +215,7 @@ function Files.get_closest_headline(id)
     error({ message = string.format('Failed to parse current file. %s.', msg) })
   end
   local headline = current_file:get_closest_headline(id)
-  if not headline then
+  if not headline and current_file:has_errors() then
     error({ message = string.format('Failed to parse current headline. %s.', msg) })
   end
   return headline