3 files changed, 9 insertions, 5 deletions
diff --git a/runtime/lua/vim/shared.lua b/runtime/lua/vim/shared.lua
index 884929e33a..9e337e93e8 100644
--- a/runtime/lua/vim/shared.lua
+++ b/runtime/lua/vim/shared.lua
@@ -796,13 +796,15 @@ end
 --- a.b.c = 1
 --- </pre>
 ---
----@param create function|nil The function called to create a missing value.
+---@param create function?(key:any):any The function called to create a missing value.
 ---@return table Empty table with metamethod
 function vim.defaulttable(create)
-  create = create or vim.defaulttable
+  create = create or function(_)
+    return vim.defaulttable()
+  end
   return setmetatable({}, {
     __index = function(tbl, key)
-      rawset(tbl, key, create())
+      rawset(tbl, key, create(key))
       return rawget(tbl, key)
     end,
   })
diff --git a/runtime/lua/vim/treesitter/health.lua b/runtime/lua/vim/treesitter/health.lua
index fd1188fde4..dabf2cdf6c 100644
--- a/runtime/lua/vim/treesitter/health.lua
+++ b/runtime/lua/vim/treesitter/health.lua
@@ -22,7 +22,7 @@ function M.check()
         )
       )
     else
-      local lang = ts.language.inspect_language(parsername)
+      local lang = ts.language.inspect(parsername)
       health.report_ok(
         string.format('Parser: %-10s ABI: %d, path: %s', parsername, lang._abi_version, parser)
       )
diff --git a/runtime/lua/vim/treesitter/language.lua b/runtime/lua/vim/treesitter/language.lua
index b1c788e6ba..5b74bb6200 100644
--- a/runtime/lua/vim/treesitter/language.lua
+++ b/runtime/lua/vim/treesitter/language.lua
@@ -4,7 +4,9 @@ local a = vim.api
 local M = {}
 
 ---@type table<string,string>
-local ft_to_lang = {}
+local ft_to_lang = {
+  help = 'vimdoc',
+}
 
 --- Get the filetypes associated with the parser named {lang}.
 --- @param lang string Name of parser