fix: help parser has been renamed to vimdoc

lua/aerial/backends/treesitter/extensions.lua

@@ -199,6 +199,7 @@ M.help = {
     end
   end,
 }
+M.vimdoc = M.help
 
 M.rust = {
   postprocess = function(bufnr, item, match)

queries/help/aerial.scm

@@ -1,3 +1,5 @@
+; This is for backwards-compatibility with old versions of nvim-treesitter
+; The new versions have renamed this parser to "vimdoc"
 (h1
   (word)+ @name @start
   (tag)

queries/vimdoc/aerial.scm

@@ -0,0 +1,16 @@
+(h1
+  (word)+ @name @start
+  (tag)
+  (#set! "kind" "Interface")
+) @type
+
+(h2
+  (word)+ @name @start
+  (tag)
+  (#set! "kind" "Interface")
+) @type
+
+(tag
+  text: (word) @name
+  (#set! "kind" "Interface")
+) @type

tests/minimal_init.lua

@@ -12,7 +12,10 @@ vim.filetype.add({
 
 local langs = {}
 for lang, _ in vim.fs.dir("queries") do
-  table.insert(langs, lang)
+  -- "help" has been renamed to "vimdoc"
+  if lang ~= "help" then
+    table.insert(langs, lang)
+  end
 end
 require("nvim-treesitter.configs").setup({
   ensure_installed = langs,

tests/treesitter/vimdoc_spec.lua

@@ -1,16 +1,16 @@
 local util = require("tests.test_util")
 
-describe("treesitter help", function()
+describe("treesitter vimdoc", function()
   it("parses all symbols correctly", function()
-    util.test_file_symbols("treesitter", "./tests/treesitter/help_test.txt", {
+    util.test_file_symbols("treesitter", "./tests/treesitter/vimdoc_test.txt", {
       {
         kind = "Interface",
-        name = "help_test.txt",
+        name = "vimdoc_test.txt",
         level = 0,
         lnum = 1,
         col = 0,
         end_lnum = 1,
-        end_col = 15,
+        end_col = 17,
       },
       {
         kind = "Interface",

tests/treesitter/vimdoc_test.txt

@@ -1,4 +1,4 @@
-*help_test.txt* *help_test*
+*vimdoc_test.txt* *vimdoc_test*
 --------------------------------------------------------------------------------
 TEST INTRO                                                            *test-intro*