Merge remote-tracking branch 'upstream/master' into usermarksusermarks

13 files changed, 1042 insertions, 2613 deletions

diff --git a/runtime/autoload/ccomplete.lua b/runtime/autoload/ccomplete.lua
new file mode 100644
index 0000000000..f4a3eabd9a
--- /dev/null
+++ b/runtime/autoload/ccomplete.lua
@@ -0,0 +1,857 @@
+----------------------------------------
+-- This file is generated via github.com/tjdevries/vim9jit
+-- For any bugs, please first consider reporting there.
+----------------------------------------
+
+-- Ignore "value assigned to a local variable is unused" because
+--  we can't guarantee that local variables will be used by plugins
+-- luacheck: ignore 311
+
+local vim9 = require('_vim9script')
+local M = {}
+local prepended = nil
+local grepCache = nil
+local Complete = nil
+local GetAddition = nil
+local Tag2item = nil
+local Dict2info = nil
+local ParseTagline = nil
+local Tagline2item = nil
+local Tagcmd2extra = nil
+local Nextitem = nil
+local StructMembers = nil
+local SearchMembers = nil
+-- vim9script
+
+-- # Vim completion script
+-- # Language:     C
+-- # Maintainer:   Bram Moolenaar <Bram@vim.org>
+-- #		Rewritten in Vim9 script by github user lacygoill
+-- # Last Change:  2022 Jan 31
+
+prepended = ''
+grepCache = vim.empty_dict()
+
+-- # This function is used for the 'omnifunc' option.
+
+Complete = function(findstart, abase)
+  findstart = vim9.bool(findstart)
+  if vim9.bool(findstart) then
+    -- # Locate the start of the item, including ".", "->" and "[...]".
+    local line = vim9.fn.getline('.')
+    local start = vim9.fn.charcol('.') - 1
+    local lastword = -1
+    while start > 0 do
+      if vim9.ops.RegexpMatches(vim9.index(line, vim9.ops.Minus(start, 1)), '\\w') then
+        start = start - 1
+      elseif
+        vim9.bool(vim9.ops.RegexpMatches(vim9.index(line, vim9.ops.Minus(start, 1)), '\\.'))
+      then
+        if lastword == -1 then
+          lastword = start
+        end
+        start = start - 1
+      elseif
+        vim9.bool(
+          start > 1
+            and vim9.index(line, vim9.ops.Minus(start, 2)) == '-'
+            and vim9.index(line, vim9.ops.Minus(start, 1)) == '>'
+        )
+      then
+        if lastword == -1 then
+          lastword = start
+        end
+        start = vim9.ops.Minus(start, 2)
+      elseif vim9.bool(vim9.index(line, vim9.ops.Minus(start, 1)) == ']') then
+        -- # Skip over [...].
+        local n = 0
+        start = start - 1
+        while start > 0 do
+          start = start - 1
+          if vim9.index(line, start) == '[' then
+            if n == 0 then
+              break
+            end
+            n = n - 1
+          elseif vim9.bool(vim9.index(line, start) == ']') then
+            n = n + 1
+          end
+        end
+      else
+        break
+      end
+    end
+
+    -- # Return the column of the last word, which is going to be changed.
+    -- # Remember the text that comes before it in prepended.
+    if lastword == -1 then
+      prepended = ''
+      return vim9.fn.byteidx(line, start)
+    end
+    prepended = vim9.slice(line, start, vim9.ops.Minus(lastword, 1))
+    return vim9.fn.byteidx(line, lastword)
+  end
+
+  -- # Return list of matches.
+
+  local base = prepended .. abase
+
+  -- # Don't do anything for an empty base, would result in all the tags in the
+  -- # tags file.
+  if base == '' then
+    return {}
+  end
+
+  -- # init cache for vimgrep to empty
+  grepCache = {}
+
+  -- # Split item in words, keep empty word after "." or "->".
+  -- # "aa" -> ['aa'], "aa." -> ['aa', ''], "aa.bb" -> ['aa', 'bb'], etc.
+  -- # We can't use split, because we need to skip nested [...].
+  -- # "aa[...]" -> ['aa', '[...]'], "aa.bb[...]" -> ['aa', 'bb', '[...]'], etc.
+  local items = {}
+  local s = 0
+  local arrays = 0
+  while 1 do
+    local e = vim9.fn.charidx(base, vim9.fn.match(base, '\\.\\|->\\|\\[', s))
+    if e < 0 then
+      if s == 0 or vim9.index(base, vim9.ops.Minus(s, 1)) ~= ']' then
+        vim9.fn.add(items, vim9.slice(base, s, nil))
+      end
+      break
+    end
+    if s == 0 or vim9.index(base, vim9.ops.Minus(s, 1)) ~= ']' then
+      vim9.fn.add(items, vim9.slice(base, s, vim9.ops.Minus(e, 1)))
+    end
+    if vim9.index(base, e) == '.' then
+      -- # skip over '.'
+      s = vim9.ops.Plus(e, 1)
+    elseif vim9.bool(vim9.index(base, e) == '-') then
+      -- # skip over '->'
+      s = vim9.ops.Plus(e, 2)
+    else
+      -- # Skip over [...].
+      local n = 0
+      s = e
+      e = e + 1
+      while e < vim9.fn.strcharlen(base) do
+        if vim9.index(base, e) == ']' then
+          if n == 0 then
+            break
+          end
+          n = n - 1
+        elseif vim9.bool(vim9.index(base, e) == '[') then
+          n = n + 1
+        end
+        e = e + 1
+      end
+      e = e + 1
+      vim9.fn.add(items, vim9.slice(base, s, vim9.ops.Minus(e, 1)))
+      arrays = arrays + 1
+      s = e
+    end
+  end
+
+  -- # Find the variable items[0].
+  -- # 1. in current function (like with "gd")
+  -- # 2. in tags file(s) (like with ":tag")
+  -- # 3. in current file (like with "gD")
+  local res = {}
+  if vim9.fn.searchdecl(vim9.index(items, 0), false, true) == 0 then
+    -- # Found, now figure out the type.
+    -- # TODO: join previous line if it makes sense
+    local line = vim9.fn.getline('.')
+    local col = vim9.fn.charcol('.')
+    if vim9.fn.stridx(vim9.slice(line, nil, vim9.ops.Minus(col, 1)), ';') >= 0 then
+      -- # Handle multiple declarations on the same line.
+      local col2 = vim9.ops.Minus(col, 1)
+      while vim9.index(line, col2) ~= ';' do
+        col2 = col2 - 1
+      end
+      line = vim9.slice(line, vim9.ops.Plus(col2, 1), nil)
+      col = vim9.ops.Minus(col, col2)
+    end
+    if vim9.fn.stridx(vim9.slice(line, nil, vim9.ops.Minus(col, 1)), ',') >= 0 then
+      -- # Handle multiple declarations on the same line in a function
+      -- # declaration.
+      local col2 = vim9.ops.Minus(col, 1)
+      while vim9.index(line, col2) ~= ',' do
+        col2 = col2 - 1
+      end
+      if
+        vim9.ops.RegexpMatches(
+          vim9.slice(line, vim9.ops.Plus(col2, 1), vim9.ops.Minus(col, 1)),
+          ' *[^ ][^ ]*  *[^ ]'
+        )
+      then
+        line = vim9.slice(line, vim9.ops.Plus(col2, 1), nil)
+        col = vim9.ops.Minus(col, col2)
+      end
+    end
+    if vim9.fn.len(items) == 1 then
+      -- # Completing one word and it's a local variable: May add '[', '.' or
+      -- # '->'.
+      local match = vim9.index(items, 0)
+      local kind = 'v'
+      if vim9.fn.match(line, '\\<' .. match .. '\\s*\\[') > 0 then
+        match = match .. '['
+      else
+        res = Nextitem(vim9.slice(line, nil, vim9.ops.Minus(col, 1)), { '' }, 0, true)
+        if vim9.fn.len(res) > 0 then
+          -- # There are members, thus add "." or "->".
+          if vim9.fn.match(line, '\\*[ \\t(]*' .. match .. '\\>') > 0 then
+            match = match .. '->'
+          else
+            match = match .. '.'
+          end
+        end
+      end
+      res = { { ['match'] = match, ['tagline'] = '', ['kind'] = kind, ['info'] = line } }
+    elseif vim9.bool(vim9.fn.len(items) == vim9.ops.Plus(arrays, 1)) then
+      -- # Completing one word and it's a local array variable: build tagline
+      -- # from declaration line
+      local match = vim9.index(items, 0)
+      local kind = 'v'
+      local tagline = '\t/^' .. line .. '$/'
+      res = { { ['match'] = match, ['tagline'] = tagline, ['kind'] = kind, ['info'] = line } }
+    else
+      -- # Completing "var.", "var.something", etc.
+      res =
+        Nextitem(vim9.slice(line, nil, vim9.ops.Minus(col, 1)), vim9.slice(items, 1, nil), 0, true)
+    end
+  end
+
+  if vim9.fn.len(items) == 1 or vim9.fn.len(items) == vim9.ops.Plus(arrays, 1) then
+    -- # Only one part, no "." or "->": complete from tags file.
+    local tags = {}
+    if vim9.fn.len(items) == 1 then
+      tags = vim9.fn.taglist('^' .. base)
+    else
+      tags = vim9.fn.taglist('^' .. vim9.index(items, 0) .. '$')
+    end
+
+    vim9.fn_mut('filter', {
+      vim9.fn_mut('filter', {
+        tags,
+        function(_, v)
+          return vim9.ternary(vim9.fn.has_key(v, 'kind'), function()
+            return v.kind ~= 'm'
+          end, true)
+        end,
+      }, { replace = 0 }),
+      function(_, v)
+        return vim9.ops.Or(
+          vim9.ops.Or(
+            vim9.prefix['Bang'](vim9.fn.has_key(v, 'static')),
+            vim9.prefix['Bang'](vim9.index(v, 'static'))
+          ),
+          vim9.fn.bufnr('%') == vim9.fn.bufnr(vim9.index(v, 'filename'))
+        )
+      end,
+    }, { replace = 0 })
+
+    res = vim9.fn.extend(
+      res,
+      vim9.fn.map(tags, function(_, v)
+        return Tag2item(v)
+      end)
+    )
+  end
+
+  if vim9.fn.len(res) == 0 then
+    -- # Find the variable in the tags file(s)
+    local diclist = vim9.fn.filter(
+      vim9.fn.taglist('^' .. vim9.index(items, 0) .. '$'),
+      function(_, v)
+        return vim9.ternary(vim9.fn.has_key(v, 'kind'), function()
+          return v.kind ~= 'm'
+        end, true)
+      end
+    )
+
+    res = {}
+
+    for _, i in vim9.iter(vim9.fn.range(vim9.fn.len(diclist))) do
+      -- # New ctags has the "typeref" field.  Patched version has "typename".
+      if vim9.bool(vim9.fn.has_key(vim9.index(diclist, i), 'typename')) then
+        res = vim9.fn.extend(
+          res,
+          StructMembers(
+            vim9.index(vim9.index(diclist, i), 'typename'),
+            vim9.slice(items, 1, nil),
+            true
+          )
+        )
+      elseif vim9.bool(vim9.fn.has_key(vim9.index(diclist, i), 'typeref')) then
+        res = vim9.fn.extend(
+          res,
+          StructMembers(
+            vim9.index(vim9.index(diclist, i), 'typeref'),
+            vim9.slice(items, 1, nil),
+            true
+          )
+        )
+      end
+
+      -- # For a variable use the command, which must be a search pattern that
+      -- # shows the declaration of the variable.
+      if vim9.index(vim9.index(diclist, i), 'kind') == 'v' then
+        local line = vim9.index(vim9.index(diclist, i), 'cmd')
+        if vim9.slice(line, nil, 1) == '/^' then
+          local col =
+            vim9.fn.charidx(line, vim9.fn.match(line, '\\<' .. vim9.index(items, 0) .. '\\>'))
+          res = vim9.fn.extend(
+            res,
+            Nextitem(
+              vim9.slice(line, 2, vim9.ops.Minus(col, 1)),
+              vim9.slice(items, 1, nil),
+              0,
+              true
+            )
+          )
+        end
+      end
+    end
+  end
+
+  if vim9.fn.len(res) == 0 and vim9.fn.searchdecl(vim9.index(items, 0), true) == 0 then
+    -- # Found, now figure out the type.
+    -- # TODO: join previous line if it makes sense
+    local line = vim9.fn.getline('.')
+    local col = vim9.fn.charcol('.')
+    res =
+      Nextitem(vim9.slice(line, nil, vim9.ops.Minus(col, 1)), vim9.slice(items, 1, nil), 0, true)
+  end
+
+  -- # If the last item(s) are [...] they need to be added to the matches.
+  local last = vim9.fn.len(items) - 1
+  local brackets = ''
+  while last >= 0 do
+    if vim9.index(vim9.index(items, last), 0) ~= '[' then
+      break
+    end
+    brackets = vim9.index(items, last) .. brackets
+    last = last - 1
+  end
+
+  return vim9.fn.map(res, function(_, v)
+    return Tagline2item(v, brackets)
+  end)
+end
+M['Complete'] = Complete
+
+GetAddition = function(line, match, memarg, bracket)
+  bracket = vim9.bool(bracket)
+  -- # Guess if the item is an array.
+  if vim9.bool(vim9.ops.And(bracket, vim9.fn.match(line, match .. '\\s*\\[') > 0)) then
+    return '['
+  end
+
+  -- # Check if the item has members.
+  if vim9.fn.len(SearchMembers(memarg, { '' }, false)) > 0 then
+    -- # If there is a '*' before the name use "->".
+    if vim9.fn.match(line, '\\*[ \\t(]*' .. match .. '\\>') > 0 then
+      return '->'
+    else
+      return '.'
+    end
+  end
+  return ''
+end
+
+Tag2item = function(val)
+  -- # Turn the tag info "val" into an item for completion.
+  -- # "val" is is an item in the list returned by taglist().
+  -- # If it is a variable we may add "." or "->".  Don't do it for other types,
+  -- # such as a typedef, by not including the info that GetAddition() uses.
+  local res = vim9.convert.decl_dict({ ['match'] = vim9.index(val, 'name') })
+
+  res[vim9.index_expr('extra')] =
+    Tagcmd2extra(vim9.index(val, 'cmd'), vim9.index(val, 'name'), vim9.index(val, 'filename'))
+
+  local s = Dict2info(val)
+  if s ~= '' then
+    res[vim9.index_expr('info')] = s
+  end
+
+  res[vim9.index_expr('tagline')] = ''
+  if vim9.bool(vim9.fn.has_key(val, 'kind')) then
+    local kind = vim9.index(val, 'kind')
+    res[vim9.index_expr('kind')] = kind
+    if kind == 'v' then
+      res[vim9.index_expr('tagline')] = '\t' .. vim9.index(val, 'cmd')
+      res[vim9.index_expr('dict')] = val
+    elseif vim9.bool(kind == 'f') then
+      res[vim9.index_expr('match')] = vim9.index(val, 'name') .. '('
+    end
+  end
+
+  return res
+end
+
+Dict2info = function(dict)
+  -- # Use all the items in dictionary for the "info" entry.
+  local info = ''
+
+  for _, k in vim9.iter(vim9.fn_mut('sort', { vim9.fn.keys(dict) }, { replace = 0 })) do
+    info = info .. k .. vim9.fn['repeat'](' ', 10 - vim9.fn.strlen(k))
+    if k == 'cmd' then
+      info = info
+        .. vim9.fn.substitute(
+          vim9.fn.matchstr(vim9.index(dict, 'cmd'), '/^\\s*\\zs.*\\ze$/'),
+          '\\\\\\(.\\)',
+          '\\1',
+          'g'
+        )
+    else
+      local dictk = vim9.index(dict, k)
+      if vim9.fn.typename(dictk) ~= 'string' then
+        info = info .. vim9.fn.string(dictk)
+      else
+        info = info .. dictk
+      end
+    end
+    info = info .. '\n'
+  end
+
+  return info
+end
+
+ParseTagline = function(line)
+  -- # Parse a tag line and return a dictionary with items like taglist()
+  local l = vim9.fn.split(line, '\t')
+  local d = vim.empty_dict()
+  if vim9.fn.len(l) >= 3 then
+    d[vim9.index_expr('name')] = vim9.index(l, 0)
+    d[vim9.index_expr('filename')] = vim9.index(l, 1)
+    d[vim9.index_expr('cmd')] = vim9.index(l, 2)
+    local n = 2
+    if vim9.ops.RegexpMatches(vim9.index(l, 2), '^/') then
+      -- # Find end of cmd, it may contain Tabs.
+      while n < vim9.fn.len(l) and vim9.ops.NotRegexpMatches(vim9.index(l, n), '/;"$') do
+        n = n + 1
+        d[vim9.index_expr('cmd')] = vim9.index(d, 'cmd') .. '  ' .. vim9.index(l, n)
+      end
+    end
+
+    for _, i in vim9.iter(vim9.fn.range(vim9.ops.Plus(n, 1), vim9.fn.len(l) - 1)) do
+      if vim9.index(l, i) == 'file:' then
+        d[vim9.index_expr('static')] = 1
+      elseif vim9.bool(vim9.ops.NotRegexpMatches(vim9.index(l, i), ':')) then
+        d[vim9.index_expr('kind')] = vim9.index(l, i)
+      else
+        d[vim9.index_expr(vim9.fn.matchstr(vim9.index(l, i), '[^:]*'))] =
+          vim9.fn.matchstr(vim9.index(l, i), ':\\zs.*')
+      end
+    end
+  end
+
+  return d
+end
+
+Tagline2item = function(val, brackets)
+  -- # Turn a match item "val" into an item for completion.
+  -- # "val['match']" is the matching item.
+  -- # "val['tagline']" is the tagline in which the last part was found.
+  local line = vim9.index(val, 'tagline')
+  local add = GetAddition(line, vim9.index(val, 'match'), { val }, brackets == '')
+  local res = vim9.convert.decl_dict({ ['word'] = vim9.index(val, 'match') .. brackets .. add })
+
+  if vim9.bool(vim9.fn.has_key(val, 'info')) then
+    -- # Use info from Tag2item().
+    res[vim9.index_expr('info')] = vim9.index(val, 'info')
+  else
+    -- # Parse the tag line and add each part to the "info" entry.
+    local s = Dict2info(ParseTagline(line))
+    if s ~= '' then
+      res[vim9.index_expr('info')] = s
+    end
+  end
+
+  if vim9.bool(vim9.fn.has_key(val, 'kind')) then
+    res[vim9.index_expr('kind')] = vim9.index(val, 'kind')
+  elseif vim9.bool(add == '(') then
+    res[vim9.index_expr('kind')] = 'f'
+  else
+    local s = vim9.fn.matchstr(line, '\\t\\(kind:\\)\\=\\zs\\S\\ze\\(\\t\\|$\\)')
+    if s ~= '' then
+      res[vim9.index_expr('kind')] = s
+    end
+  end
+
+  if vim9.bool(vim9.fn.has_key(val, 'extra')) then
+    res[vim9.index_expr('menu')] = vim9.index(val, 'extra')
+    return res
+  end
+
+  -- # Isolate the command after the tag and filename.
+  local s = vim9.fn.matchstr(
+    line,
+    '[^\\t]*\\t[^\\t]*\\t\\zs\\(/^.*$/\\|[^\\t]*\\)\\ze\\(;"\\t\\|\\t\\|$\\)'
+  )
+  if s ~= '' then
+    res[vim9.index_expr('menu')] = Tagcmd2extra(
+      s,
+      vim9.index(val, 'match'),
+      vim9.fn.matchstr(line, '[^\\t]*\\t\\zs[^\\t]*\\ze\\t')
+    )
+  end
+  return res
+end
+
+Tagcmd2extra = function(cmd, name, fname)
+  -- # Turn a command from a tag line to something that is useful in the menu
+  local x = ''
+  if vim9.ops.RegexpMatches(cmd, '^/^') then
+    -- # The command is a search command, useful to see what it is.
+    x = vim9.fn.substitute(
+      vim9.fn.substitute(
+        vim9.fn.matchstr(cmd, '^/^\\s*\\zs.*\\ze$/'),
+        '\\<' .. name .. '\\>',
+        '@@',
+        ''
+      ),
+      '\\\\\\(.\\)',
+      '\\1',
+      'g'
+    ) .. ' - ' .. fname
+  elseif vim9.bool(vim9.ops.RegexpMatches(cmd, '^\\d*$')) then
+    -- # The command is a line number, the file name is more useful.
+    x = fname .. ' - ' .. cmd
+  else
+    -- # Not recognized, use command and file name.
+    x = cmd .. ' - ' .. fname
+  end
+  return x
+end
+
+Nextitem = function(lead, items, depth, all)
+  all = vim9.bool(all)
+  -- # Find composing type in "lead" and match items[0] with it.
+  -- # Repeat this recursively for items[1], if it's there.
+  -- # When resolving typedefs "depth" is used to avoid infinite recursion.
+  -- # Return the list of matches.
+
+  -- # Use the text up to the variable name and split it in tokens.
+  local tokens = vim9.fn.split(lead, '\\s\\+\\|\\<')
+
+  -- # Try to recognize the type of the variable.  This is rough guessing...
+  local res = {}
+
+  local body = function(_, tidx)
+    -- # Skip tokens starting with a non-ID character.
+    if vim9.ops.NotRegexpMatches(vim9.index(tokens, tidx), '^\\h') then
+      return vim9.ITER_CONTINUE
+    end
+
+    -- # Recognize "struct foobar" and "union foobar".
+    -- # Also do "class foobar" when it's C++ after all (doesn't work very well
+    -- # though).
+    if
+      (
+        vim9.index(tokens, tidx) == 'struct'
+        or vim9.index(tokens, tidx) == 'union'
+        or vim9.index(tokens, tidx) == 'class'
+      ) and vim9.ops.Plus(tidx, 1) < vim9.fn.len(tokens)
+    then
+      res = StructMembers(
+        vim9.index(tokens, tidx) .. ':' .. vim9.index(tokens, vim9.ops.Plus(tidx, 1)),
+        items,
+        all
+      )
+      return vim9.ITER_BREAK
+    end
+
+    -- # TODO: add more reserved words
+    if
+      vim9.fn.index(
+        { 'int', 'short', 'char', 'float', 'double', 'static', 'unsigned', 'extern' },
+        vim9.index(tokens, tidx)
+      ) >= 0
+    then
+      return vim9.ITER_CONTINUE
+    end
+
+    -- # Use the tags file to find out if this is a typedef.
+    local diclist = vim9.fn.taglist('^' .. vim9.index(tokens, tidx) .. '$')
+
+    local body = function(_, tagidx)
+      local item = vim9.convert.decl_dict(vim9.index(diclist, tagidx))
+
+      -- # New ctags has the "typeref" field.  Patched version has "typename".
+      if vim9.bool(vim9.fn.has_key(item, 'typeref')) then
+        res = vim9.fn.extend(res, StructMembers(vim9.index(item, 'typeref'), items, all))
+        return vim9.ITER_CONTINUE
+      end
+      if vim9.bool(vim9.fn.has_key(item, 'typename')) then
+        res = vim9.fn.extend(res, StructMembers(vim9.index(item, 'typename'), items, all))
+        return vim9.ITER_CONTINUE
+      end
+
+      -- # Only handle typedefs here.
+      if vim9.index(item, 'kind') ~= 't' then
+        return vim9.ITER_CONTINUE
+      end
+
+      -- # Skip matches local to another file.
+      if
+        vim9.bool(
+          vim9.ops.And(
+            vim9.ops.And(vim9.fn.has_key(item, 'static'), vim9.index(item, 'static')),
+            vim9.fn.bufnr('%') ~= vim9.fn.bufnr(vim9.index(item, 'filename'))
+          )
+        )
+      then
+        return vim9.ITER_CONTINUE
+      end
+
+      -- # For old ctags we recognize "typedef struct aaa" and
+      -- # "typedef union bbb" in the tags file command.
+      local cmd = vim9.index(item, 'cmd')
+      local ei = vim9.fn.charidx(cmd, vim9.fn.matchend(cmd, 'typedef\\s\\+'))
+      if ei > 1 then
+        local cmdtokens = vim9.fn.split(vim9.slice(cmd, ei, nil), '\\s\\+\\|\\<')
+        if vim9.fn.len(cmdtokens) > 1 then
+          if
+            vim9.index(cmdtokens, 0) == 'struct'
+            or vim9.index(cmdtokens, 0) == 'union'
+            or vim9.index(cmdtokens, 0) == 'class'
+          then
+            local name = ''
+            -- # Use the first identifier after the "struct" or "union"
+
+            for _, ti in vim9.iter(vim9.fn.range((vim9.fn.len(cmdtokens) - 1))) do
+              if vim9.ops.RegexpMatches(vim9.index(cmdtokens, ti), '^\\w') then
+                name = vim9.index(cmdtokens, ti)
+                break
+              end
+            end
+
+            if name ~= '' then
+              res = vim9.fn.extend(
+                res,
+                StructMembers(vim9.index(cmdtokens, 0) .. ':' .. name, items, all)
+              )
+            end
+          elseif vim9.bool(depth < 10) then
+            -- # Could be "typedef other_T some_T".
+            res = vim9.fn.extend(
+              res,
+              Nextitem(vim9.index(cmdtokens, 0), items, vim9.ops.Plus(depth, 1), all)
+            )
+          end
+        end
+      end
+
+      return vim9.ITER_DEFAULT
+    end
+
+    for _, tagidx in vim9.iter(vim9.fn.range(vim9.fn.len(diclist))) do
+      local nvim9_status, nvim9_ret = body(_, tagidx)
+      if nvim9_status == vim9.ITER_BREAK then
+        break
+      elseif nvim9_status == vim9.ITER_RETURN then
+        return nvim9_ret
+      end
+    end
+
+    if vim9.fn.len(res) > 0 then
+      return vim9.ITER_BREAK
+    end
+
+    return vim9.ITER_DEFAULT
+  end
+
+  for _, tidx in vim9.iter(vim9.fn.range(vim9.fn.len(tokens))) do
+    local nvim9_status, nvim9_ret = body(_, tidx)
+    if nvim9_status == vim9.ITER_BREAK then
+      break
+    elseif nvim9_status == vim9.ITER_RETURN then
+      return nvim9_ret
+    end
+  end
+
+  return res
+end
+
+StructMembers = function(atypename, items, all)
+  all = vim9.bool(all)
+
+  -- # Search for members of structure "typename" in tags files.
+  -- # Return a list with resulting matches.
+  -- # Each match is a dictionary with "match" and "tagline" entries.
+  -- # When "all" is true find all, otherwise just return 1 if there is any member.
+
+  -- # Todo: What about local structures?
+  local fnames = vim9.fn.join(vim9.fn.map(vim9.fn.tagfiles(), function(_, v)
+    return vim9.fn.escape(v, ' \\#%')
+  end))
+  if fnames == '' then
+    return {}
+  end
+
+  local typename = atypename
+  local qflist = {}
+  local cached = 0
+  local n = ''
+  if vim9.bool(vim9.prefix['Bang'](all)) then
+    n = '1'
+    if vim9.bool(vim9.fn.has_key(grepCache, typename)) then
+      qflist = vim9.index(grepCache, typename)
+      cached = 1
+    end
+  else
+    n = ''
+  end
+  if vim9.bool(vim9.prefix['Bang'](cached)) then
+    while 1 do
+      vim.api.nvim_command(
+        'silent! keepjumps noautocmd '
+          .. n
+          .. 'vimgrep '
+          .. '/\\t'
+          .. typename
+          .. '\\(\\t\\|$\\)/j '
+          .. fnames
+      )
+
+      qflist = vim9.fn.getqflist()
+      if vim9.fn.len(qflist) > 0 or vim9.fn.match(typename, '::') < 0 then
+        break
+      end
+      -- # No match for "struct:context::name", remove "context::" and try again.
+      typename = vim9.fn.substitute(typename, ':[^:]*::', ':', '')
+    end
+
+    if vim9.bool(vim9.prefix['Bang'](all)) then
+      -- # Store the result to be able to use it again later.
+      grepCache[vim9.index_expr(typename)] = qflist
+    end
+  end
+
+  -- # Skip over [...] items
+  local idx = 0
+  local target = ''
+  while 1 do
+    if idx >= vim9.fn.len(items) then
+      target = ''
+      break
+    end
+    if vim9.index(vim9.index(items, idx), 0) ~= '[' then
+      target = vim9.index(items, idx)
+      break
+    end
+    idx = idx + 1
+  end
+  -- # Put matching members in matches[].
+  local matches = {}
+
+  for _, l in vim9.iter(qflist) do
+    local memb = vim9.fn.matchstr(vim9.index(l, 'text'), '[^\\t]*')
+    if vim9.ops.RegexpMatches(memb, '^' .. target) then
+      -- # Skip matches local to another file.
+      if
+        vim9.fn.match(vim9.index(l, 'text'), '\tfile:') < 0
+        or vim9.fn.bufnr('%')
+          == vim9.fn.bufnr(vim9.fn.matchstr(vim9.index(l, 'text'), '\\t\\zs[^\\t]*'))
+      then
+        local item =
+          vim9.convert.decl_dict({ ['match'] = memb, ['tagline'] = vim9.index(l, 'text') })
+
+        -- # Add the kind of item.
+        local s =
+          vim9.fn.matchstr(vim9.index(l, 'text'), '\\t\\(kind:\\)\\=\\zs\\S\\ze\\(\\t\\|$\\)')
+        if s ~= '' then
+          item[vim9.index_expr('kind')] = s
+          if s == 'f' then
+            item[vim9.index_expr('match')] = memb .. '('
+          end
+        end
+
+        vim9.fn.add(matches, item)
+      end
+    end
+  end
+
+  if vim9.fn.len(matches) > 0 then
+    -- # Skip over next [...] items
+    idx = idx + 1
+    while 1 do
+      if idx >= vim9.fn.len(items) then
+        return matches
+      end
+      if vim9.index(vim9.index(items, idx), 0) ~= '[' then
+        break
+      end
+      idx = idx + 1
+    end
+
+    -- # More items following.  For each of the possible members find the
+    -- # matching following members.
+    return SearchMembers(matches, vim9.slice(items, idx, nil), all)
+  end
+
+  -- # Failed to find anything.
+  return {}
+end
+
+SearchMembers = function(matches, items, all)
+  all = vim9.bool(all)
+
+  -- # For matching members, find matches for following items.
+  -- # When "all" is true find all, otherwise just return 1 if there is any member.
+  local res = {}
+
+  for _, i in vim9.iter(vim9.fn.range(vim9.fn.len(matches))) do
+    local typename = ''
+    local line = ''
+    if vim9.bool(vim9.fn.has_key(vim9.index(matches, i), 'dict')) then
+      if vim9.bool(vim9.fn.has_key(vim9.index(vim9.index(matches, i), 'dict'), 'typename')) then
+        typename = vim9.index(vim9.index(vim9.index(matches, i), 'dict'), 'typename')
+      elseif vim9.bool(vim9.fn.has_key(vim9.index(vim9.index(matches, i), 'dict'), 'typeref')) then
+        typename = vim9.index(vim9.index(vim9.index(matches, i), 'dict'), 'typeref')
+      end
+      line = '\t' .. vim9.index(vim9.index(vim9.index(matches, i), 'dict'), 'cmd')
+    else
+      line = vim9.index(vim9.index(matches, i), 'tagline')
+      local eb = vim9.fn.matchend(line, '\\ttypename:')
+      local e = vim9.fn.charidx(line, eb)
+      if e < 0 then
+        eb = vim9.fn.matchend(line, '\\ttyperef:')
+        e = vim9.fn.charidx(line, eb)
+      end
+      if e > 0 then
+        -- # Use typename field
+        typename = vim9.fn.matchstr(line, '[^\\t]*', eb)
+      end
+    end
+
+    if typename ~= '' then
+      res = vim9.fn.extend(res, StructMembers(typename, items, all))
+    else
+      -- # Use the search command (the declaration itself).
+      local sb = vim9.fn.match(line, '\\t\\zs/^')
+      local s = vim9.fn.charidx(line, sb)
+      if s > 0 then
+        local e = vim9.fn.charidx(
+          line,
+          vim9.fn.match(line, '\\<' .. vim9.index(vim9.index(matches, i), 'match') .. '\\>', sb)
+        )
+        if e > 0 then
+          res =
+            vim9.fn.extend(res, Nextitem(vim9.slice(line, s, vim9.ops.Minus(e, 1)), items, 0, all))
+        end
+      end
+    end
+    if vim9.bool(vim9.ops.And(vim9.prefix['Bang'](all), vim9.fn.len(res) > 0)) then
+      break
+    end
+  end
+
+  return res
+end
+
+-- #}}}1
+
+-- # vim: noet sw=2 sts=2
+return M
diff --git a/runtime/autoload/ccomplete.vim b/runtime/autoload/ccomplete.vim
index 95a20e16b0..d7e0ba4ac5 100644
--- a/runtime/autoload/ccomplete.vim
+++ b/runtime/autoload/ccomplete.vim
@@ -1,639 +1,8 @@
-" Vim completion script
-" Language:	C
-" Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2020 Nov 14
-
-let s:cpo_save = &cpo
-set cpo&vim
-
-" This function is used for the 'omnifunc' option.
-func ccomplete#Complete(findstart, base)
-  if a:findstart
-    " Locate the start of the item, including ".", "->" and "[...]".
-    let line = getline('.')
-    let start = col('.') - 1
-    let lastword = -1
-    while start > 0
-      if line[start - 1] =~ '\w'
-	let start -= 1
-      elseif line[start - 1] =~ '\.'
-	if lastword == -1
-	  let lastword = start
-	endif
-	let start -= 1
-      elseif start > 1 && line[start - 2] == '-' && line[start - 1] == '>'
-	if lastword == -1
-	  let lastword = start
-	endif
-	let start -= 2
-      elseif line[start - 1] == ']'
-	" Skip over [...].
-	let n = 0
-	let start -= 1
-	while start > 0
-	  let start -= 1
-	  if line[start] == '['
-	    if n == 0
-	      break
-	    endif
-	    let n -= 1
-	  elseif line[start] == ']'  " nested []
-	    let n += 1
-	  endif
-	endwhile
-      else
-	break
-      endif
-    endwhile
-
-    " Return the column of the last word, which is going to be changed.
-    " Remember the text that comes before it in s:prepended.
-    if lastword == -1
-      let s:prepended = ''
-      return start
-    endif
-    let s:prepended = strpart(line, start, lastword - start)
-    return lastword
-  endif
-
-  " Return list of matches.
-
-  let base = s:prepended . a:base
-
-  " Don't do anything for an empty base, would result in all the tags in the
-  " tags file.
-  if base == ''
-    return []
-  endif
-
-  " init cache for vimgrep to empty
-  let s:grepCache = {}
-
-  " Split item in words, keep empty word after "." or "->".
-  " "aa" -> ['aa'], "aa." -> ['aa', ''], "aa.bb" -> ['aa', 'bb'], etc.
-  " We can't use split, because we need to skip nested [...].
-  " "aa[...]" -> ['aa', '[...]'], "aa.bb[...]" -> ['aa', 'bb', '[...]'], etc.
-  let items = []
-  let s = 0
-  let arrays = 0
-  while 1
-    let e = match(base, '\.\|->\|\[', s)
-    if e < 0
-      if s == 0 || base[s - 1] != ']'
-	call add(items, strpart(base, s))
-      endif
-      break
-    endif
-    if s == 0 || base[s - 1] != ']'
-      call add(items, strpart(base, s, e - s))
-    endif
-    if base[e] == '.'
-      let s = e + 1	" skip over '.'
-    elseif base[e] == '-'
-      let s = e + 2	" skip over '->'
-    else
-      " Skip over [...].
-      let n = 0
-      let s = e
-      let e += 1
-      while e < len(base)
-	if base[e] == ']'
-	  if n == 0
-	    break
-	  endif
-	  let n -= 1
-	elseif base[e] == '['  " nested [...]
-	  let n += 1
-	endif
-	let e += 1
-      endwhile
-      let e += 1
-      call add(items, strpart(base, s, e - s))
-      let arrays += 1
-      let s = e
-    endif
-  endwhile
-
-  " Find the variable items[0].
-  " 1. in current function (like with "gd")
-  " 2. in tags file(s) (like with ":tag")
-  " 3. in current file (like with "gD")
-  let res = []
-  if searchdecl(items[0], 0, 1) == 0
-    " Found, now figure out the type.
-    " TODO: join previous line if it makes sense
-    let line = getline('.')
-    let col = col('.')
-    if stridx(strpart(line, 0, col), ';') != -1
-      " Handle multiple declarations on the same line.
-      let col2 = col - 1
-      while line[col2] != ';'
-	let col2 -= 1
-      endwhile
-      let line = strpart(line, col2 + 1)
-      let col -= col2
-    endif
-    if stridx(strpart(line, 0, col), ',') != -1
-      " Handle multiple declarations on the same line in a function
-      " declaration.
-      let col2 = col - 1
-      while line[col2] != ','
-	let col2 -= 1
-      endwhile
-      if strpart(line, col2 + 1, col - col2 - 1) =~ ' *[^ ][^ ]*  *[^ ]'
-	let line = strpart(line, col2 + 1)
-	let col -= col2
-      endif
-    endif
-    if len(items) == 1
-      " Completing one word and it's a local variable: May add '[', '.' or
-      " '->'.
-      let match = items[0]
-      let kind = 'v'
-      if match(line, '\<' . match . '\s*\[') > 0
-	let match .= '['
-      else
-	let res = s:Nextitem(strpart(line, 0, col), [''], 0, 1)
-	if len(res) > 0
-	  " There are members, thus add "." or "->".
-	  if match(line, '\*[ \t(]*' . match . '\>') > 0
-	    let match .= '->'
-	  else
-	    let match .= '.'
-	  endif
-	endif
-      endif
-      let res = [{'match': match, 'tagline' : '', 'kind' : kind, 'info' : line}]
-    elseif len(items) == arrays + 1
-      " Completing one word and it's a local array variable: build tagline
-      " from declaration line
-      let match = items[0]
-      let kind = 'v'
-      let tagline = "\t/^" . line . '$/'
-      let res = [{'match': match, 'tagline' : tagline, 'kind' : kind, 'info' : line}]
-    else
-      " Completing "var.", "var.something", etc.
-      let res = s:Nextitem(strpart(line, 0, col), items[1:], 0, 1)
-    endif
-  endif
-
-  if len(items) == 1 || len(items) == arrays + 1
-    " Only one part, no "." or "->": complete from tags file.
-    if len(items) == 1
-      let tags = taglist('^' . base)
-    else
-      let tags = taglist('^' . items[0] . '$')
-    endif
-
-    " Remove members, these can't appear without something in front.
-    call filter(tags, 'has_key(v:val, "kind") ? v:val["kind"] != "m" : 1')
-
-    " Remove static matches in other files.
-    call filter(tags, '!has_key(v:val, "static") || !v:val["static"] || bufnr("%") == bufnr(v:val["filename"])')
-
-    call extend(res, map(tags, 's:Tag2item(v:val)'))
-  endif
-
-  if len(res) == 0
-    " Find the variable in the tags file(s)
-    let diclist = taglist('^' . items[0] . '$')
-
-    " Remove members, these can't appear without something in front.
-    call filter(diclist, 'has_key(v:val, "kind") ? v:val["kind"] != "m" : 1')
-
-    let res = []
-    for i in range(len(diclist))
-      " New ctags has the "typeref" field.  Patched version has "typename".
-      if has_key(diclist[i], 'typename')
-	call extend(res, s:StructMembers(diclist[i]['typename'], items[1:], 1))
-      elseif has_key(diclist[i], 'typeref')
-	call extend(res, s:StructMembers(diclist[i]['typeref'], items[1:], 1))
-      endif
-
-      " For a variable use the command, which must be a search pattern that
-      " shows the declaration of the variable.
-      if diclist[i]['kind'] == 'v'
-	let line = diclist[i]['cmd']
-	if line[0] == '/' && line[1] == '^'
-	  let col = match(line, '\<' . items[0] . '\>')
-	  call extend(res, s:Nextitem(strpart(line, 2, col - 2), items[1:], 0, 1))
-	endif
-      endif
-    endfor
-  endif
-
-  if len(res) == 0 && searchdecl(items[0], 1) == 0
-    " Found, now figure out the type.
-    " TODO: join previous line if it makes sense
-    let line = getline('.')
-    let col = col('.')
-    let res = s:Nextitem(strpart(line, 0, col), items[1:], 0, 1)
-  endif
-
-  " If the last item(s) are [...] they need to be added to the matches.
-  let last = len(items) - 1
-  let brackets = ''
-  while last >= 0
-    if items[last][0] != '['
-      break
-    endif
-    let brackets = items[last] . brackets
-    let last -= 1
-  endwhile
-
-  return map(res, 's:Tagline2item(v:val, brackets)')
-endfunc
-
-func s:GetAddition(line, match, memarg, bracket)
-  " Guess if the item is an array.
-  if a:bracket && match(a:line, a:match . '\s*\[') > 0
-    return '['
-  endif
-
-  " Check if the item has members.
-  if len(s:SearchMembers(a:memarg, [''], 0)) > 0
-    " If there is a '*' before the name use "->".
-    if match(a:line, '\*[ \t(]*' . a:match . '\>') > 0
-      return '->'
-    else
-      return '.'
-    endif
-  endif
-  return ''
-endfunc
-
-" Turn the tag info "val" into an item for completion.
-" "val" is is an item in the list returned by taglist().
-" If it is a variable we may add "." or "->".  Don't do it for other types,
-" such as a typedef, by not including the info that s:GetAddition() uses.
-func s:Tag2item(val)
-  let res = {'match': a:val['name']}
-
-  let res['extra'] = s:Tagcmd2extra(a:val['cmd'], a:val['name'], a:val['filename'])
-
-  let s = s:Dict2info(a:val)
-  if s != ''
-    let res['info'] = s
-  endif
-
-  let res['tagline'] = ''
-  if has_key(a:val, "kind")
-    let kind = a:val['kind']
-    let res['kind'] = kind
-    if kind == 'v'
-      let res['tagline'] = "\t" . a:val['cmd']
-      let res['dict'] = a:val
-    elseif kind == 'f'
-      let res['match'] = a:val['name'] . '('
-    endif
-  endif
-
-  return res
-endfunc
-
-" Use all the items in dictionary for the "info" entry.
-func s:Dict2info(dict)
-  let info = ''
-  for k in sort(keys(a:dict))
-    let info  .= k . repeat(' ', 10 - len(k))
-    if k == 'cmd'
-      let info .= substitute(matchstr(a:dict['cmd'], '/^\s*\zs.*\ze$/'), '\\\(.\)', '\1', 'g')
-    else
-      let info .= a:dict[k]
-    endif
-    let info .= "\n"
-  endfor
-  return info
-endfunc
-
-" Parse a tag line and return a dictionary with items like taglist()
-func s:ParseTagline(line)
-  let l = split(a:line, "\t")
-  let d = {}
-  if len(l) >= 3
-    let d['name'] = l[0]
-    let d['filename'] = l[1]
-    let d['cmd'] = l[2]
-    let n = 2
-    if l[2] =~ '^/'
-      " Find end of cmd, it may contain Tabs.
-      while n < len(l) && l[n] !~ '/;"$'
-	let n += 1
-	let d['cmd'] .= "  " . l[n]
-      endwhile
-    endif
-    for i in range(n + 1, len(l) - 1)
-      if l[i] == 'file:'
-	let d['static'] = 1
-      elseif l[i] !~ ':'
-	let d['kind'] = l[i]
-      else
-	let d[matchstr(l[i], '[^:]*')] = matchstr(l[i], ':\zs.*')
-      endif
-    endfor
-  endif
-
-  return d
-endfunc
-
-" Turn a match item "val" into an item for completion.
-" "val['match']" is the matching item.
-" "val['tagline']" is the tagline in which the last part was found.
-func s:Tagline2item(val, brackets)
-  let line = a:val['tagline']
-  let add = s:GetAddition(line, a:val['match'], [a:val], a:brackets == '')
-  let res = {'word': a:val['match'] . a:brackets . add }
-
-  if has_key(a:val, 'info')
-    " Use info from Tag2item().
-    let res['info'] = a:val['info']
-  else
-    " Parse the tag line and add each part to the "info" entry.
-    let s = s:Dict2info(s:ParseTagline(line))
-    if s != ''
-      let res['info'] = s
-    endif
-  endif
-
-  if has_key(a:val, 'kind')
-    let res['kind'] = a:val['kind']
-  elseif add == '('
-    let res['kind'] = 'f'
-  else
-    let s = matchstr(line, '\t\(kind:\)\=\zs\S\ze\(\t\|$\)')
-    if s != ''
-      let res['kind'] = s
-    endif
-  endif
-
-  if has_key(a:val, 'extra')
-    let res['menu'] = a:val['extra']
-    return res
-  endif
-
-  " Isolate the command after the tag and filename.
-  let s = matchstr(line, '[^\t]*\t[^\t]*\t\zs\(/^.*$/\|[^\t]*\)\ze\(;"\t\|\t\|$\)')
-  if s != ''
-    let res['menu'] = s:Tagcmd2extra(s, a:val['match'], matchstr(line, '[^\t]*\t\zs[^\t]*\ze\t'))
-  endif
-  return res
-endfunc
-
-" Turn a command from a tag line to something that is useful in the menu
-func s:Tagcmd2extra(cmd, name, fname)
-  if a:cmd =~ '^/^'
-    " The command is a search command, useful to see what it is.
-    let x = matchstr(a:cmd, '^/^\s*\zs.*\ze$/')
-    let x = substitute(x, '\<' . a:name . '\>', '@@', '')
-    let x = substitute(x, '\\\(.\)', '\1', 'g')
-    let x = x . ' - ' . a:fname
-  elseif a:cmd =~ '^\d*$'
-    " The command is a line number, the file name is more useful.
-    let x = a:fname . ' - ' . a:cmd
-  else
-    " Not recognized, use command and file name.
-    let x = a:cmd . ' - ' . a:fname
-  endif
-  return x
-endfunc
-
-" Find composing type in "lead" and match items[0] with it.
-" Repeat this recursively for items[1], if it's there.
-" When resolving typedefs "depth" is used to avoid infinite recursion.
-" Return the list of matches.
-func s:Nextitem(lead, items, depth, all)
-
-  " Use the text up to the variable name and split it in tokens.
-  let tokens = split(a:lead, '\s\+\|\<')
-
-  " Try to recognize the type of the variable.  This is rough guessing...
-  let res = []
-  for tidx in range(len(tokens))
-
-    " Skip tokens starting with a non-ID character.
-    if tokens[tidx] !~ '^\h'
-      continue
-    endif
-
-    " Recognize "struct foobar" and "union foobar".
-    " Also do "class foobar" when it's C++ after all (doesn't work very well
-    " though).
-    if (tokens[tidx] == 'struct' || tokens[tidx] == 'union' || tokens[tidx] == 'class') && tidx + 1 < len(tokens)
-      let res = s:StructMembers(tokens[tidx] . ':' . tokens[tidx + 1], a:items, a:all)
-      break
-    endif
-
-    " TODO: add more reserved words
-    if index(['int', 'short', 'char', 'float', 'double', 'static', 'unsigned', 'extern'], tokens[tidx]) >= 0
-      continue
-    endif
-
-    " Use the tags file to find out if this is a typedef.
-    let diclist = taglist('^' . tokens[tidx] . '$')
-    for tagidx in range(len(diclist))
-      let item = diclist[tagidx]
-
-      " New ctags has the "typeref" field.  Patched version has "typename".
-      if has_key(item, 'typeref')
-	call extend(res, s:StructMembers(item['typeref'], a:items, a:all))
-	continue
-      endif
-      if has_key(item, 'typename')
-	call extend(res, s:StructMembers(item['typename'], a:items, a:all))
-	continue
-      endif
-
-      " Only handle typedefs here.
-      if item['kind'] != 't'
-	continue
-      endif
-
-      " Skip matches local to another file.
-      if has_key(item, 'static') && item['static'] && bufnr('%') != bufnr(item['filename'])
-	continue
-      endif
-
-      " For old ctags we recognize "typedef struct aaa" and
-      " "typedef union bbb" in the tags file command.
-      let cmd = item['cmd']
-      let ei = matchend(cmd, 'typedef\s\+')
-      if ei > 1
-	let cmdtokens = split(strpart(cmd, ei), '\s\+\|\<')
-	if len(cmdtokens) > 1
-	  if cmdtokens[0] == 'struct' || cmdtokens[0] == 'union' || cmdtokens[0] == 'class'
-	    let name = ''
-	    " Use the first identifier after the "struct" or "union"
-	    for ti in range(len(cmdtokens) - 1)
-	      if cmdtokens[ti] =~ '^\w'
-		let name = cmdtokens[ti]
-		break
-	      endif
-	    endfor
-	    if name != ''
-	      call extend(res, s:StructMembers(cmdtokens[0] . ':' . name, a:items, a:all))
-	    endif
-	  elseif a:depth < 10
-	    " Could be "typedef other_T some_T".
-	    call extend(res, s:Nextitem(cmdtokens[0], a:items, a:depth + 1, a:all))
-	  endif
-	endif
-      endif
-    endfor
-    if len(res) > 0
-      break
-    endif
-  endfor
-
-  return res
-endfunc
-
-
-" Search for members of structure "typename" in tags files.
-" Return a list with resulting matches.
-" Each match is a dictionary with "match" and "tagline" entries.
-" When "all" is non-zero find all, otherwise just return 1 if there is any
-" member.
-func s:StructMembers(typename, items, all)
-  " Todo: What about local structures?
-  let fnames = join(map(tagfiles(), 'escape(v:val, " \\#%")'))
-  if fnames == ''
-    return []
-  endif
-
-  let typename = a:typename
-  let qflist = []
-  let cached = 0
-  if a:all == 0
-    let n = '1'	" stop at first found match
-    if has_key(s:grepCache, a:typename)
-      let qflist = s:grepCache[a:typename]
-      let cached = 1
-    endif
-  else
-    let n = ''
-  endif
-  if !cached
-    while 1
-      exe 'silent! keepj noautocmd ' . n . 'vimgrep /\t' . typename . '\(\t\|$\)/j ' . fnames
-
-      let qflist = getqflist()
-      if len(qflist) > 0 || match(typename, "::") < 0
-	break
-      endif
-      " No match for "struct:context::name", remove "context::" and try again.
-      let typename = substitute(typename, ':[^:]*::', ':', '')
-    endwhile
-
-    if a:all == 0
-      " Store the result to be able to use it again later.
-      let s:grepCache[a:typename] = qflist
-    endif
-  endif
-
-  " Skip over [...] items
-  let idx = 0
-  while 1
-    if idx >= len(a:items)
-      let target = ''		" No further items, matching all members
-      break
-    endif
-    if a:items[idx][0] != '['
-      let target = a:items[idx]
-      break
-    endif
-    let idx += 1
-  endwhile
-  " Put matching members in matches[].
-  let matches = []
-  for l in qflist
-    let memb = matchstr(l['text'], '[^\t]*')
-    if memb =~ '^' . target
-      " Skip matches local to another file.
-      if match(l['text'], "\tfile:") < 0 || bufnr('%') == bufnr(matchstr(l['text'], '\t\zs[^\t]*'))
-	let item = {'match': memb, 'tagline': l['text']}
-
-	" Add the kind of item.
-	let s = matchstr(l['text'], '\t\(kind:\)\=\zs\S\ze\(\t\|$\)')
-	if s != ''
-	  let item['kind'] = s
-	  if s == 'f'
-	    let item['match'] = memb . '('
-	  endif
-	endif
-
-	call add(matches, item)
-      endif
-    endif
-  endfor
-
-  if len(matches) > 0
-    " Skip over next [...] items
-    let idx += 1
-    while 1
-      if idx >= len(a:items)
-	return matches		" No further items, return the result.
-      endif
-      if a:items[idx][0] != '['
-	break
-      endif
-      let idx += 1
-    endwhile
-
-    " More items following.  For each of the possible members find the
-    " matching following members.
-    return s:SearchMembers(matches, a:items[idx :], a:all)
-  endif
-
-  " Failed to find anything.
-  return []
-endfunc
-
-" For matching members, find matches for following items.
-" When "all" is non-zero find all, otherwise just return 1 if there is any
-" member.
-func s:SearchMembers(matches, items, all)
-  let res = []
-  for i in range(len(a:matches))
-    let typename = ''
-    if has_key(a:matches[i], 'dict')
-      if has_key(a:matches[i].dict, 'typename')
-	let typename = a:matches[i].dict['typename']
-      elseif has_key(a:matches[i].dict, 'typeref')
-	let typename = a:matches[i].dict['typeref']
-      endif
-      let line = "\t" . a:matches[i].dict['cmd']
-    else
-      let line = a:matches[i]['tagline']
-      let e = matchend(line, '\ttypename:')
-      if e < 0
-	let e = matchend(line, '\ttyperef:')
-      endif
-      if e > 0
-	" Use typename field
-	let typename = matchstr(line, '[^\t]*', e)
-      endif
-    endif
-
-    if typename != ''
-      call extend(res, s:StructMembers(typename, a:items, a:all))
-    else
-      " Use the search command (the declaration itself).
-      let s = match(line, '\t\zs/^')
-      if s > 0
-	let e = match(line, '\<' . a:matches[i]['match'] . '\>', s)
-	if e > 0
-	  call extend(res, s:Nextitem(strpart(line, s, e - s), a:items, 0, a:all))
-	endif
-      endif
-    endif
-    if a:all == 0 && len(res) > 0
-      break
-    endif
-  endfor
-  return res
-endfunc
-
-let &cpo = s:cpo_save
-unlet s:cpo_save
-
-" vim: noet sw=2 sts=2
+" Generated vim file by vim9jit. Please do not edit
+let s:path = expand("<script>")
+let s:lua_path = fnamemodify(s:path, ":r") . ".lua"
+let s:nvim_module = luaeval('require("_vim9script").autoload(_A)', s:lua_path)
+
+function! ccomplete#Complete(findstart, abase) abort
+ return s:nvim_module.Complete(a:findstart, a:abase)
+endfunction
diff --git a/runtime/autoload/dist/ft.vim b/runtime/autoload/dist/ft.vim
deleted file mode 100644
index 77140d62b1..0000000000
--- a/runtime/autoload/dist/ft.vim
+++ /dev/null
@@ -1,1073 +0,0 @@
-" Vim functions for file type detection
-"
-" Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2022 Apr 13
-
-" These functions are moved here from runtime/filetype.vim to make startup
-" faster.
-
-" Line continuation is used here, remove 'C' from 'cpoptions'
-let s:cpo_save = &cpo
-set cpo&vim
-
-func dist#ft#Check_inp()
-  if getline(1) =~ '^\*'
-    setf abaqus
-  else
-    let n = 1
-    if line("$") > 500
-      let nmax = 500
-    else
-      let nmax = line("$")
-    endif
-    while n <= nmax
-      if getline(n) =~? "^header surface data"
-	setf trasys
-	break
-      endif
-      let n = n + 1
-    endwhile
-  endif
-endfunc
-
-" This function checks for the kind of assembly that is wanted by the user, or
-" can be detected from the first five lines of the file.
-func dist#ft#FTasm()
-  " make sure b:asmsyntax exists
-  if !exists("b:asmsyntax")
-    let b:asmsyntax = ""
-  endif
-
-  if b:asmsyntax == ""
-    call dist#ft#FTasmsyntax()
-  endif
-
-  " if b:asmsyntax still isn't set, default to asmsyntax or GNU
-  if b:asmsyntax == ""
-    if exists("g:asmsyntax")
-      let b:asmsyntax = g:asmsyntax
-    else
-      let b:asmsyntax = "asm"
-    endif
-  endif
-
-  exe "setf " . fnameescape(b:asmsyntax)
-endfunc
-
-func dist#ft#FTasmsyntax()
-  " see if file contains any asmsyntax=foo overrides. If so, change
-  " b:asmsyntax appropriately
-  let head = " ".getline(1)." ".getline(2)." ".getline(3)." ".getline(4).
-	\" ".getline(5)." "
-  let match = matchstr(head, '\sasmsyntax=\zs[a-zA-Z0-9]\+\ze\s')
-  if match != ''
-    let b:asmsyntax = match
-  elseif ((head =~? '\.title') || (head =~? '\.ident') || (head =~? '\.macro') || (head =~? '\.subtitle') || (head =~? '\.library'))
-    let b:asmsyntax = "vmasm"
-  endif
-endfunc
-
-let s:ft_visual_basic_content = '\cVB_Name\|Begin VB\.\(Form\|MDIForm\|UserControl\)'
-
-" See FTfrm() for Visual Basic form file detection
-func dist#ft#FTbas()
-  if exists("g:filetype_bas")
-    exe "setf " . g:filetype_bas
-    return
-  endif
-
-  " most frequent FreeBASIC-specific keywords in distro files
-  let fb_keywords = '\c^\s*\%(extern\|var\|enum\|private\|scope\|union\|byref\|operator\|constructor\|delete\|namespace\|public\|property\|with\|destructor\|using\)\>\%(\s*[:=(]\)\@!'
-  let fb_preproc  = '\c^\s*\%(' ..
-        \ '#\s*\a\+\|' ..
-        \ 'option\s\+\%(byval\|dynamic\|escape\|\%(no\)\=gosub\|nokeyword\|private\|static\)\>\|' ..
-        \ '\%(''\|rem\)\s*\$lang\>\|' ..
-        \ 'def\%(byte\|longint\|short\|ubyte\|uint\|ulongint\|ushort\)\>' ..
-        \ '\)'
-  let fb_comment  = "^\\s*/'"
-  " OPTION EXPLICIT, without the leading underscore, is common to many dialects
-  let qb64_preproc = '\c^\s*\%($\a\+\|option\s\+\%(_explicit\|_\=explicitarray\)\>\)'
-
-  for lnum in range(1, min([line("$"), 100]))
-    let line = getline(lnum)
-    if line =~ s:ft_visual_basic_content
-      setf vb
-      return
-    elseif line =~ fb_preproc || line =~ fb_comment || line =~ fb_keywords
-      setf freebasic
-      return
-    elseif line =~ qb64_preproc
-      setf qb64
-      return
-    endif
-  endfor
-  setf basic
-endfunc
-
-func dist#ft#FTbtm()
-  if exists("g:dosbatch_syntax_for_btm") && g:dosbatch_syntax_for_btm
-    setf dosbatch
-  else
-    setf btm
-  endif
-endfunc
-
-func dist#ft#BindzoneCheck(default)
-  if getline(1).getline(2).getline(3).getline(4) =~ '^; <<>> DiG [0-9.]\+.* <<>>\|$ORIGIN\|$TTL\|IN\s\+SOA'
-    setf bindzone
-  elseif a:default != ''
-    exe 'setf ' . a:default
-  endif
-endfunc
-
-" Returns true if file content looks like RAPID
-func IsRapid(sChkExt = "")
-  if a:sChkExt == "cfg"
-    return getline(1) =~? '\v^%(EIO|MMC|MOC|PROC|SIO|SYS):CFG'
-  endif
-  " called from FTmod, FTprg or FTsys
-  return getline(nextnonblank(1)) =~? '\v^\s*%(\%{3}|module\s+\k+\s*%(\(|$))'
-endfunc
-
-func dist#ft#FTcfg()
-  if exists("g:filetype_cfg")
-    exe "setf " .. g:filetype_cfg
-  elseif IsRapid("cfg")
-    setf rapid
-  else
-    setf cfg
-  endif
-endfunc
-
-func dist#ft#FTcls()
-  if exists("g:filetype_cls")
-    exe "setf " .. g:filetype_cls
-    return
-  endif
-
-  if getline(1) =~ '^%'
-    setf tex
-  elseif getline(1)[0] == '#' && getline(1) =~ 'rexx'
-    setf rexx
-  elseif getline(1) == 'VERSION 1.0 CLASS'
-    setf vb
-  else
-    setf st
-  endif
-endfunc
-
-func dist#ft#FTlpc()
-  if exists("g:lpc_syntax_for_c")
-    let lnum = 1
-    while lnum <= 12
-      if getline(lnum) =~# '^\(//\|inherit\|private\|protected\|nosave\|string\|object\|mapping\|mixed\)'
-	setf lpc
-	return
-      endif
-      let lnum = lnum + 1
-    endwhile
-  endif
-  setf c
-endfunc
-
-func dist#ft#FTheader()
-  if match(getline(1, min([line("$"), 200])), '^@\(interface\|end\|class\)') > -1
-    if exists("g:c_syntax_for_h")
-      setf objc
-    else
-      setf objcpp
-    endif
-  elseif exists("g:c_syntax_for_h")
-    setf c
-  elseif exists("g:ch_syntax_for_h")
-    setf ch
-  else
-    setf cpp
-  endif
-endfunc
-
-" This function checks if one of the first ten lines start with a '@'.  In
-" that case it is probably a change file.
-" If the first line starts with # or ! it's probably a ch file.
-" If a line has "main", "include", "//" or "/*" it's probably ch.
-" Otherwise CHILL is assumed.
-func dist#ft#FTchange()
-  let lnum = 1
-  while lnum <= 10
-    if getline(lnum)[0] == '@'
-      setf change
-      return
-    endif
-    if lnum == 1 && (getline(1)[0] == '#' || getline(1)[0] == '!')
-      setf ch
-      return
-    endif
-    if getline(lnum) =~ "MODULE"
-      setf chill
-      return
-    endif
-    if getline(lnum) =~ 'main\s*(\|#\s*include\|//'
-      setf ch
-      return
-    endif
-    let lnum = lnum + 1
-  endwhile
-  setf chill
-endfunc
-
-func dist#ft#FTent()
-  " This function checks for valid cl syntax in the first five lines.
-  " Look for either an opening comment, '#', or a block start, '{'.
-  " If not found, assume SGML.
-  let lnum = 1
-  while lnum < 6
-    let line = getline(lnum)
-    if line =~ '^\s*[#{]'
-      setf cl
-      return
-    elseif line !~ '^\s*$'
-      " Not a blank line, not a comment, and not a block start,
-      " so doesn't look like valid cl code.
-      break
-    endif
-    let lnum = lnum + 1
-  endw
-  setf dtd
-endfunc
-
-func dist#ft#ExCheck()
-  let lines = getline(1, min([line("$"), 100]))
-  if exists('g:filetype_euphoria')
-    exe 'setf ' . g:filetype_euphoria
-  elseif match(lines, '^--\|^ifdef\>\|^include\>') > -1
-    setf euphoria3
-  else
-    setf elixir
-  endif
-endfunc
-
-func dist#ft#EuphoriaCheck()
-  if exists('g:filetype_euphoria')
-    exe 'setf ' . g:filetype_euphoria
-  else
-    setf euphoria3
-  endif
-endfunc
-
-func dist#ft#DtraceCheck()
-  if did_filetype()
-    " Filetype was already detected
-    return
-  endif
-  let lines = getline(1, min([line("$"), 100]))
-  if match(lines, '^module\>\|^import\>') > -1
-    " D files often start with a module and/or import statement.
-    setf d
-  elseif match(lines, '^#!\S\+dtrace\|#pragma\s\+D\s\+option\|:\S\{-}:\S\{-}:') > -1
-    setf dtrace
-  else
-    setf d
-  endif
-endfunc
-
-func dist#ft#FTe()
-  if exists('g:filetype_euphoria')
-    exe 'setf ' . g:filetype_euphoria
-  else
-    let n = 1
-    while n < 100 && n <= line("$")
-      if getline(n) =~ "^\\s*\\(<'\\|'>\\)\\s*$"
-	setf specman
-	return
-      endif
-      let n = n + 1
-    endwhile
-    setf eiffel
-  endif
-endfunc
-
-func dist#ft#FTfrm()
-  if exists("g:filetype_frm")
-    exe "setf " . g:filetype_frm
-    return
-  endif
-
-  let lines = getline(1, min([line("$"), 5]))
-
-  if match(lines, s:ft_visual_basic_content) > -1
-    setf vb
-  else
-    setf form
-  endif
-endfunc
-
-" Distinguish between Forth and F#.
-" Provided by Doug Kearns.
-func dist#ft#FTfs()
-  if exists("g:filetype_fs")
-    exe "setf " . g:filetype_fs
-  else
-    let line = getline(nextnonblank(1))
-    " comments and colon definitions
-    if line =~ '^\s*\.\=( ' || line =~ '^\s*\\G\= ' || line =~ '^\\$'
-	  \ || line =~ '^\s*: \S'
-      setf forth
-    else
-      setf fsharp
-    endif
-  endif
-endfunc
-
-" Distinguish between HTML, XHTML and Django
-func dist#ft#FThtml()
-  let n = 1
-  while n < 10 && n <= line("$")
-    if getline(n) =~ '\<DTD\s\+XHTML\s'
-      setf xhtml
-      return
-    endif
-    if getline(n) =~ '{%\s*\(extends\|block\|load\)\>\|{#\s\+'
-      setf htmldjango
-      return
-    endif
-    let n = n + 1
-  endwhile
-  setf FALLBACK html
-endfunc
-
-" Distinguish between standard IDL and MS-IDL
-func dist#ft#FTidl()
-  let n = 1
-  while n < 50 && n <= line("$")
-    if getline(n) =~ '^\s*import\s\+"\(unknwn\|objidl\)\.idl"'
-      setf msidl
-      return
-    endif
-    let n = n + 1
-  endwhile
-  setf idl
-endfunc
-
-" Distinguish between "default", Prolog and Cproto prototype file. */
-func dist#ft#ProtoCheck(default)
-  " Cproto files have a comment in the first line and a function prototype in
-  " the second line, it always ends in ";".  Indent files may also have
-  " comments, thus we can't match comments to see the difference.
-  " IDL files can have a single ';' in the second line, require at least one
-  " chacter before the ';'.
-  if getline(2) =~ '.;$'
-    setf cpp
-  else
-    " recognize Prolog by specific text in the first non-empty line
-    " require a blank after the '%' because Perl uses "%list" and "%translate"
-    let l = getline(nextnonblank(1))
-    if l =~ '\<prolog\>' || l =~ '^\s*\(%\+\(\s\|$\)\|/\*\)' || l =~ ':-'
-      setf prolog
-    else
-      exe 'setf ' .. a:default
-    endif
-  endif
-endfunc
-
-func dist#ft#FTm()
-  if exists("g:filetype_m")
-    exe "setf " . g:filetype_m
-    return
-  endif
-
-  " excluding end(for|function|if|switch|while) common to Murphi
-  let octave_block_terminators = '\<end\%(_try_catch\|classdef\|enumeration\|events\|methods\|parfor\|properties\)\>'
-
-  let objc_preprocessor = '^\s*#\s*\%(import\|include\|define\|if\|ifn\=def\|undef\|line\|error\|pragma\)\>'
-
-  let n = 1
-  let saw_comment = 0 " Whether we've seen a multiline comment leader.
-  while n < 100
-    let line = getline(n)
-    if line =~ '^\s*/\*'
-      " /* ... */ is a comment in Objective C and Murphi, so we can't conclude
-      " it's either of them yet, but track this as a hint in case we don't see
-      " anything more definitive.
-      let saw_comment = 1
-    endif
-    if line =~ '^\s*//' || line =~ '^\s*@import\>' || line =~ objc_preprocessor
-      setf objc
-      return
-    endif
-    if line =~ '^\s*\%(#\|%!\)' || line =~ '^\s*unwind_protect\>' ||
-	  \ line =~ '\%(^\|;\)\s*' .. octave_block_terminators
-      setf octave
-      return
-    endif
-    " TODO: could be Matlab or Octave
-    if line =~ '^\s*%'
-      setf matlab
-      return
-    endif
-    if line =~ '^\s*(\*'
-      setf mma
-      return
-    endif
-    if line =~ '^\c\s*\(\(type\|var\)\>\|--\)'
-      setf murphi
-      return
-    endif
-    let n = n + 1
-  endwhile
-
-  if saw_comment
-    " We didn't see anything definitive, but this looks like either Objective C
-    " or Murphi based on the comment leader. Assume the former as it is more
-    " common.
-    setf objc
-  else
-    " Default is Matlab
-    setf matlab
-  endif
-endfunc
-
-func dist#ft#FTmms()
-  let n = 1
-  while n < 20
-    let line = getline(n)
-    if line =~ '^\s*\(%\|//\)' || line =~ '^\*'
-      setf mmix
-      return
-    endif
-    if line =~ '^\s*#'
-      setf make
-      return
-    endif
-    let n = n + 1
-  endwhile
-  setf mmix
-endfunc
-
-" This function checks if one of the first five lines start with a dot.  In
-" that case it is probably an nroff file: 'filetype' is set and 1 is returned.
-func dist#ft#FTnroff()
-  if getline(1)[0] . getline(2)[0] . getline(3)[0] . getline(4)[0] . getline(5)[0] =~ '\.'
-    setf nroff
-    return 1
-  endif
-  return 0
-endfunc
-
-func dist#ft#FTmm()
-  let n = 1
-  while n < 20
-    let line = getline(n)
-    if line =~ '^\s*\(#\s*\(include\|import\)\>\|@import\>\|/\*\)'
-      setf objcpp
-      return
-    endif
-    let n = n + 1
-  endwhile
-  setf nroff
-endfunc
-
-" Returns true if file content looks like LambdaProlog module
-func IsLProlog()
-  " skip apparent comments and blank lines, what looks like 
-  " LambdaProlog comment may be RAPID header
-  let l = nextnonblank(1)
-  while l > 0 && l < line('$') && getline(l) =~ '^\s*%' " LambdaProlog comment
-    let l = nextnonblank(l + 1)
-  endwhile
-  " this pattern must not catch a go.mod file
-  return getline(l) =~ '\<module\s\+\w\+\s*\.\s*\(%\|$\)'
-endfunc
-
-" Determine if *.mod is ABB RAPID, LambdaProlog, Modula-2, Modsim III or go.mod
-func dist#ft#FTmod()
-  if exists("g:filetype_mod")
-    exe "setf " .. g:filetype_mod
-  elseif IsLProlog()
-    setf lprolog
-  elseif getline(nextnonblank(1)) =~ '\%(\<MODULE\s\+\w\+\s*;\|^\s*(\*\)'
-    setf modula2
-  elseif IsRapid()
-    setf rapid
-  elseif expand("<afile>") =~ '\<go.mod$'
-    setf gomod
-  else
-    " Nothing recognized, assume modsim3
-    setf modsim3
-  endif
-endfunc
-
-func dist#ft#FTpl()
-  if exists("g:filetype_pl")
-    exe "setf " . g:filetype_pl
-  else
-    " recognize Prolog by specific text in the first non-empty line
-    " require a blank after the '%' because Perl uses "%list" and "%translate"
-    let l = getline(nextnonblank(1))
-    if l =~ '\<prolog\>' || l =~ '^\s*\(%\+\(\s\|$\)\|/\*\)' || l =~ ':-'
-      setf prolog
-    else
-      setf perl
-    endif
-  endif
-endfunc
-
-func dist#ft#FTinc()
-  if exists("g:filetype_inc")
-    exe "setf " . g:filetype_inc
-  else
-    let lines = getline(1).getline(2).getline(3)
-    if lines =~? "perlscript"
-      setf aspperl
-    elseif lines =~ "<%"
-      setf aspvbs
-    elseif lines =~ "<?"
-      setf php
-    " Pascal supports // comments but they're vary rarely used for file
-    " headers so assume POV-Ray
-    elseif lines =~ '^\s*\%({\|(\*\)' || lines =~? s:ft_pascal_keywords
-      setf pascal
-    elseif lines =~# '\<\%(require\|inherit\)\>' || lines =~# '[A-Z][A-Za-z0-9_:${}]*\s\+\%(??\|[?:+]\)\?= '
-      setf bitbake
-    else
-      call dist#ft#FTasmsyntax()
-      if exists("b:asmsyntax")
-        exe "setf " . fnameescape(b:asmsyntax)
-      else
-        setf pov
-      endif
-    endif
-  endif
-endfunc
-
-func dist#ft#FTprogress_cweb()
-  if exists("g:filetype_w")
-    exe "setf " . g:filetype_w
-    return
-  endif
-  if getline(1) =~ '&ANALYZE' || getline(3) =~ '&GLOBAL-DEFINE'
-    setf progress
-  else
-    setf cweb
-  endif
-endfunc
-
-func dist#ft#FTprogress_asm()
-  if exists("g:filetype_i")
-    exe "setf " . g:filetype_i
-    return
-  endif
-  " This function checks for an assembly comment the first ten lines.
-  " If not found, assume Progress.
-  let lnum = 1
-  while lnum <= 10 && lnum < line('$')
-    let line = getline(lnum)
-    if line =~ '^\s*;' || line =~ '^\*'
-      call dist#ft#FTasm()
-      return
-    elseif line !~ '^\s*$' || line =~ '^/\*'
-      " Not an empty line: Doesn't look like valid assembly code.
-      " Or it looks like a Progress /* comment
-      break
-    endif
-    let lnum = lnum + 1
-  endw
-  setf progress
-endfunc
-
-let s:ft_pascal_comments = '^\s*\%({\|(\*\|//\)'
-let s:ft_pascal_keywords = '^\s*\%(program\|unit\|library\|uses\|begin\|procedure\|function\|const\|type\|var\)\>'
-
-func dist#ft#FTprogress_pascal()
-  if exists("g:filetype_p")
-    exe "setf " . g:filetype_p
-    return
-  endif
-  " This function checks for valid Pascal syntax in the first ten lines.
-  " Look for either an opening comment or a program start.
-  " If not found, assume Progress.
-  let lnum = 1
-  while lnum <= 10 && lnum < line('$')
-    let line = getline(lnum)
-    if line =~ s:ft_pascal_comments || line =~? s:ft_pascal_keywords
-      setf pascal
-      return
-    elseif line !~ '^\s*$' || line =~ '^/\*'
-      " Not an empty line: Doesn't look like valid Pascal code.
-      " Or it looks like a Progress /* comment
-      break
-    endif
-    let lnum = lnum + 1
-  endw
-  setf progress
-endfunc
-
-func dist#ft#FTpp()
-  if exists("g:filetype_pp")
-    exe "setf " . g:filetype_pp
-  else
-    let line = getline(nextnonblank(1))
-    if line =~ s:ft_pascal_comments || line =~? s:ft_pascal_keywords
-      setf pascal
-    else
-      setf puppet
-    endif
-  endif
-endfunc
-
-" Determine if *.prg is ABB RAPID. Can also be Clipper, FoxPro or eviews
-func dist#ft#FTprg()
-  if exists("g:filetype_prg")
-    exe "setf " .. g:filetype_prg
-  elseif IsRapid()
-    setf rapid
-  else
-    " Nothing recognized, assume Clipper
-    setf clipper
-  endif
-endfunc
-
-func dist#ft#FTr()
-  let max = line("$") > 50 ? 50 : line("$")
-
-  for n in range(1, max)
-    " Rebol is easy to recognize, check for that first
-    if getline(n) =~? '\<REBOL\>'
-      setf rebol
-      return
-    endif
-  endfor
-
-  for n in range(1, max)
-    " R has # comments
-    if getline(n) =~ '^\s*#'
-      setf r
-      return
-    endif
-    " Rexx has /* comments */
-    if getline(n) =~ '^\s*/\*'
-      setf rexx
-      return
-    endif
-  endfor
-
-  " Nothing recognized, use user default or assume Rexx
-  if exists("g:filetype_r")
-    exe "setf " . g:filetype_r
-  else
-    " Rexx used to be the default, but R appears to be much more popular.
-    setf r
-  endif
-endfunc
-
-func dist#ft#McSetf()
-  " Rely on the file to start with a comment.
-  " MS message text files use ';', Sendmail files use '#' or 'dnl'
-  for lnum in range(1, min([line("$"), 20]))
-    let line = getline(lnum)
-    if line =~ '^\s*\(#\|dnl\)'
-      setf m4  " Sendmail .mc file
-      return
-    elseif line =~ '^\s*;'
-      setf msmessages  " MS Message text file
-      return
-    endif
-  endfor
-  setf m4  " Default: Sendmail .mc file
-endfunc
-
-" Called from filetype.vim and scripts.vim.
-func dist#ft#SetFileTypeSH(name)
-  if did_filetype()
-    " Filetype was already detected
-    return
-  endif
-  if expand("<amatch>") =~ g:ft_ignore_pat
-    return
-  endif
-  if a:name =~ '\<csh\>'
-    " Some .sh scripts contain #!/bin/csh.
-    call dist#ft#SetFileTypeShell("csh")
-    return
-  elseif a:name =~ '\<tcsh\>'
-    " Some .sh scripts contain #!/bin/tcsh.
-    call dist#ft#SetFileTypeShell("tcsh")
-    return
-  elseif a:name =~ '\<zsh\>'
-    " Some .sh scripts contain #!/bin/zsh.
-    call dist#ft#SetFileTypeShell("zsh")
-    return
-  elseif a:name =~ '\<ksh\>'
-    let b:is_kornshell = 1
-    if exists("b:is_bash")
-      unlet b:is_bash
-    endif
-    if exists("b:is_sh")
-      unlet b:is_sh
-    endif
-  elseif exists("g:bash_is_sh") || a:name =~ '\<bash\>' || a:name =~ '\<bash2\>'
-    let b:is_bash = 1
-    if exists("b:is_kornshell")
-      unlet b:is_kornshell
-    endif
-    if exists("b:is_sh")
-      unlet b:is_sh
-    endif
-  elseif a:name =~ '\<sh\>'
-    let b:is_sh = 1
-    if exists("b:is_kornshell")
-      unlet b:is_kornshell
-    endif
-    if exists("b:is_bash")
-      unlet b:is_bash
-    endif
-  endif
-  call dist#ft#SetFileTypeShell("sh")
-endfunc
-
-" For shell-like file types, check for an "exec" command hidden in a comment,
-" as used for Tcl.
-" Also called from scripts.vim, thus can't be local to this script.
-func dist#ft#SetFileTypeShell(name)
-  if did_filetype()
-    " Filetype was already detected
-    return
-  endif
-  if expand("<amatch>") =~ g:ft_ignore_pat
-    return
-  endif
-  let l = 2
-  while l < 20 && l < line("$") && getline(l) =~ '^\s*\(#\|$\)'
-    " Skip empty and comment lines.
-    let l = l + 1
-  endwhile
-  if l < line("$") && getline(l) =~ '\s*exec\s' && getline(l - 1) =~ '^\s*#.*\\$'
-    " Found an "exec" line after a comment with continuation
-    let n = substitute(getline(l),'\s*exec\s\+\([^ ]*/\)\=', '', '')
-    if n =~ '\<tclsh\|\<wish'
-      setf tcl
-      return
-    endif
-  endif
-  exe "setf " . a:name
-endfunc
-
-func dist#ft#CSH()
-  if did_filetype()
-    " Filetype was already detected
-    return
-  endif
-  if exists("g:filetype_csh")
-    call dist#ft#SetFileTypeShell(g:filetype_csh)
-  elseif &shell =~ "tcsh"
-    call dist#ft#SetFileTypeShell("tcsh")
-  else
-    call dist#ft#SetFileTypeShell("csh")
-  endif
-endfunc
-
-let s:ft_rules_udev_rules_pattern = '^\s*\cudev_rules\s*=\s*"\([^"]\{-1,}\)/*".*'
-func dist#ft#FTRules()
-  let path = expand('<amatch>:p')
-  if path =~ '/\(etc/udev/\%(rules\.d/\)\=.*\.rules\|\%(usr/\)\=lib/udev/\%(rules\.d/\)\=.*\.rules\)$'
-    setf udevrules
-    return
-  endif
-  if path =~ '^/etc/ufw/'
-    setf conf  " Better than hog
-    return
-  endif
-  if path =~ '^/\(etc\|usr/share\)/polkit-1/rules\.d'
-    setf javascript
-    return
-  endif
-  try
-    let config_lines = readfile('/etc/udev/udev.conf')
-  catch /^Vim\%((\a\+)\)\=:E484/
-    setf hog
-    return
-  endtry
-  let dir = expand('<amatch>:p:h')
-  for line in config_lines
-    if line =~ s:ft_rules_udev_rules_pattern
-      let udev_rules = substitute(line, s:ft_rules_udev_rules_pattern, '\1', "")
-      if dir == udev_rules
-	setf udevrules
-      endif
-      break
-    endif
-  endfor
-  setf hog
-endfunc
-
-func dist#ft#SQL()
-  if exists("g:filetype_sql")
-    exe "setf " . g:filetype_sql
-  else
-    setf sql
-  endif
-endfunc
-
-" This function checks the first 25 lines of file extension "sc" to resolve
-" detection between scala and SuperCollider
-func dist#ft#FTsc()
-  for lnum in range(1, min([line("$"), 25]))
-    if getline(lnum) =~# '[A-Za-z0-9]*\s:\s[A-Za-z0-9]\|var\s<\|classvar\s<\|\^this.*\||\w*|\|+\s\w*\s{\|\*ar\s'
-      setf supercollider
-      return
-    endif
-  endfor
-  setf scala
-endfunc
-
-" This function checks the first line of file extension "scd" to resolve
-" detection between scdoc and SuperCollider
-func dist#ft#FTscd()
-  if getline(1) =~# '\%^\S\+(\d[0-9A-Za-z]*)\%(\s\+\"[^"]*\"\%(\s\+\"[^"]*\"\)\=\)\=$'
-    setf scdoc
-  else
-    setf supercollider
-  endif
-endfunc
-
-" If the file has an extension of 't' and is in a directory 't' or 'xt' then
-" it is almost certainly a Perl test file.
-" If the first line starts with '#' and contains 'perl' it's probably a Perl
-" file.
-" (Slow test) If a file contains a 'use' statement then it is almost certainly
-" a Perl file.
-func dist#ft#FTperl()
-  let dirname = expand("%:p:h:t")
-  if expand("%:e") == 't' && (dirname == 't' || dirname == 'xt')
-    setf perl
-    return 1
-  endif
-  if getline(1)[0] == '#' && getline(1) =~ 'perl'
-    setf perl
-    return 1
-  endif
-  let save_cursor = getpos('.')
-  call cursor(1,1)
-  let has_use = search('^use\s\s*\k', 'c', 30) > 0
-  call setpos('.', save_cursor)
-  if has_use
-    setf perl
-    return 1
-  endif
-  return 0
-endfunc
-
-" LambdaProlog and Standard ML signature files
-func dist#ft#FTsig()
-  if exists("g:filetype_sig")
-    exe "setf " .. g:filetype_sig
-    return
-  endif
-
-  let lprolog_comment = '^\s*\%(/\*\|%\)'
-  let lprolog_keyword = '^\s*sig\s\+\a'
-  let sml_comment = '^\s*(\*'
-  let sml_keyword = '^\s*\%(signature\|structure\)\s\+\a'
-
-  let line = getline(nextnonblank(1))
-
-  if line =~ lprolog_comment || line =~# lprolog_keyword
-    setf lprolog
-  elseif line =~ sml_comment || line =~# sml_keyword
-    setf sml
-  endif
-endfunc
-
-func dist#ft#FTsys()
-  if exists("g:filetype_sys")
-    exe "setf " .. g:filetype_sys
-  elseif IsRapid()
-    setf rapid
-  else
-    setf bat
-  endif
-endfunc
-
-" Choose context, plaintex, or tex (LaTeX) based on these rules:
-" 1. Check the first line of the file for "%&<format>".
-" 2. Check the first 1000 non-comment lines for LaTeX or ConTeXt keywords.
-" 3. Default to "plain" or to g:tex_flavor, can be set in user's vimrc.
-func dist#ft#FTtex()
-  let firstline = getline(1)
-  if firstline =~ '^%&\s*\a\+'
-    let format = tolower(matchstr(firstline, '\a\+'))
-    let format = substitute(format, 'pdf', '', '')
-    if format == 'tex'
-      let format = 'latex'
-    elseif format == 'plaintex'
-      let format = 'plain'
-    endif
-  elseif expand('%') =~ 'tex/context/.*/.*.tex'
-    let format = 'context'
-  else
-    " Default value, may be changed later:
-    let format = exists("g:tex_flavor") ? g:tex_flavor : 'plain'
-    " Save position, go to the top of the file, find first non-comment line.
-    let save_cursor = getpos('.')
-    call cursor(1,1)
-    let firstNC = search('^\s*[^[:space:]%]', 'c', 1000)
-    if firstNC > 0
-      " Check the next thousand lines for a LaTeX or ConTeXt keyword.
-      let lpat = 'documentclass\>\|usepackage\>\|begin{\|newcommand\>\|renewcommand\>'
-      let cpat = 'start\a\+\|setup\a\+\|usemodule\|enablemode\|enableregime\|setvariables\|useencoding\|usesymbols\|stelle\a\+\|verwende\a\+\|stel\a\+\|gebruik\a\+\|usa\a\+\|imposta\a\+\|regle\a\+\|utilisemodule\>'
-      let kwline = search('^\s*\\\%(' . lpat . '\)\|^\s*\\\(' . cpat . '\)',
-			      \ 'cnp', firstNC + 1000)
-      if kwline == 1	" lpat matched
-	let format = 'latex'
-      elseif kwline == 2	" cpat matched
-	let format = 'context'
-      endif		" If neither matched, keep default set above.
-      " let lline = search('^\s*\\\%(' . lpat . '\)', 'cn', firstNC + 1000)
-      " let cline = search('^\s*\\\%(' . cpat . '\)', 'cn', firstNC + 1000)
-      " if cline > 0
-      "   let format = 'context'
-      " endif
-      " if lline > 0 && (cline == 0 || cline > lline)
-      "   let format = 'tex'
-      " endif
-    endif " firstNC
-    call setpos('.', save_cursor)
-  endif " firstline =~ '^%&\s*\a\+'
-
-  " Translation from formats to file types.  TODO:  add AMSTeX, RevTex, others?
-  if format == 'plain'
-    setf plaintex
-  elseif format == 'context'
-    setf context
-  else " probably LaTeX
-    setf tex
-  endif
-  return
-endfunc
-
-func dist#ft#FTxml()
-  let n = 1
-  while n < 100 && n <= line("$")
-    let line = getline(n)
-    " DocBook 4 or DocBook 5.
-    let is_docbook4 = line =~ '<!DOCTYPE.*DocBook'
-    let is_docbook5 = line =~ ' xmlns="http://docbook.org/ns/docbook"'
-    if is_docbook4 || is_docbook5
-      let b:docbk_type = "xml"
-      if is_docbook5
-	let b:docbk_ver = 5
-      else
-	let b:docbk_ver = 4
-      endif
-      setf docbk
-      return
-    endif
-    if line =~ 'xmlns:xbl="http://www.mozilla.org/xbl"'
-      setf xbl
-      return
-    endif
-    let n += 1
-  endwhile
-  setf xml
-endfunc
-
-func dist#ft#FTy()
-  let n = 1
-  while n < 100 && n <= line("$")
-    let line = getline(n)
-    if line =~ '^\s*%'
-      setf yacc
-      return
-    endif
-    if getline(n) =~ '^\s*\(#\|class\>\)' && getline(n) !~ '^\s*#\s*include'
-      setf racc
-      return
-    endif
-    let n = n + 1
-  endwhile
-  setf yacc
-endfunc
-
-func dist#ft#Redif()
-  let lnum = 1
-  while lnum <= 5 && lnum < line('$')
-    if getline(lnum) =~ "^\ctemplate-type:"
-      setf redif
-      return
-    endif
-    let lnum = lnum + 1
-  endwhile
-endfunc
-
-" This function is called for all files under */debian/patches/*, make sure not
-" to non-dep3patch files, such as README and other text files.
-func dist#ft#Dep3patch()
-  if expand('%:t') ==# 'series'
-    return
-  endif
-
-  for ln in getline(1, 100)
-    if ln =~# '^\%(Description\|Subject\|Origin\|Bug\|Forwarded\|Author\|From\|Reviewed-by\|Acked-by\|Last-Updated\|Applied-Upstream\):'
-      setf dep3patch
-      return
-    elseif ln =~# '^---'
-      " end of headers found. stop processing
-      return
-    endif
-  endfor
-endfunc
-
-" This function checks the first 15 lines for appearance of 'FoamFile'
-" and then 'object' in a following line.
-" In that case, it's probably an OpenFOAM file
-func dist#ft#FTfoam()
-    let ffile = 0
-    let lnum = 1
-    while lnum <= 15
-      if getline(lnum) =~# '^FoamFile'
-	let ffile = 1
-      elseif ffile == 1 && getline(lnum) =~# '^\s*object'
-	setf foam
-	return
-      endif
-      let lnum = lnum + 1
-    endwhile
-endfunc
-
-" Determine if a *.tf file is TF mud client or terraform
-func dist#ft#FTtf()
-  let numberOfLines = line('$')
-  for i in range(1, numberOfLines)
-    let currentLine = trim(getline(i))
-    let firstCharacter = currentLine[0]
-    if firstCharacter !=? ";" && firstCharacter !=? "/" && firstCharacter !=? ""
-      setf terraform
-      return
-    endif
-  endfor
-  setf tf
-endfunc
-
-let s:ft_krl_header = '\&\w+'
-" Determine if a *.src file is Kuka Robot Language
-func dist#ft#FTsrc()
-  let ft_krl_def_or_deffct = '%(global\s+)?def%(fct)?>'
-  if exists("g:filetype_src")
-    exe "setf " .. g:filetype_src
-  elseif getline(nextnonblank(1)) =~? '\v^\s*%(' .. s:ft_krl_header .. '|' .. ft_krl_def_or_deffct .. ')'
-    setf krl
-  endif
-endfunc
-
-" Determine if a *.dat file is Kuka Robot Language
-func dist#ft#FTdat()
-  let ft_krl_defdat = 'defdat>'
-  if exists("g:filetype_dat")
-    exe "setf " .. g:filetype_dat
-  elseif getline(nextnonblank(1)) =~? '\v^\s*%(' .. s:ft_krl_header .. '|' .. ft_krl_defdat .. ')'
-    setf krl
-  endif
-endfunc
-
-" Restore 'cpoptions'
-let &cpo = s:cpo_save
-unlet s:cpo_save
diff --git a/runtime/autoload/health.vim b/runtime/autoload/health.vim
index a693868381..5fd4627b11 100644
--- a/runtime/autoload/health.vim
+++ b/runtime/autoload/health.vim
@@ -5,8 +5,13 @@ function! health#check(plugin_names) abort
         \ ? s:discover_healthchecks()
         \ : s:get_healthcheck(a:plugin_names)
 
-  " create scratch-buffer
-  execute 'tab sbuffer' nvim_create_buf(v:true, v:true)
+  " Create buffer and open in a tab, unless this is the default buffer when Nvim starts.
+  let emptybuf = (bufnr('$') == 1 && empty(getline(1)) && 1 == line('$'))
+  execute (emptybuf ? 'buffer' : 'tab sbuffer') nvim_create_buf(v:true, v:true)
+  if bufexists('health://')
+    bwipe health://
+  endif
+  file health://
   setfiletype checkhealth
 
   if empty(healthchecks)
@@ -38,7 +43,7 @@ function! health#check(plugin_names) abort
                 \ name, v:throwpoint, v:exception))
         endif
       endtry
-      let header = [name. ': ' . func, repeat('=', 72)]
+      let header = [repeat('=', 78), name .. ': ' .. func, '']
       " remove empty line after header from report_start
       let s:output = s:output[0] == '' ? s:output[1:] : s:output
       let s:output = header + s:output + ['']
@@ -47,8 +52,7 @@ function! health#check(plugin_names) abort
     endfor
   endif
 
-  " needed for plasticboy/vim-markdown, because it uses fdm=expr
-  normal! zR
+  " Clear the 'Running healthchecks...' message.
   redraw|echo ''
 endfunction
 
@@ -58,7 +62,7 @@ endfunction
 
 " Starts a new report.
 function! health#report_start(name) abort
-  call s:collect_output("\n## " . a:name)
+  call s:collect_output(printf("\n%s ~", a:name))
 endfunction
 
 " Indents lines *except* line 1 of a string if it contains newlines.
@@ -81,7 +85,7 @@ endfunction
 " Format a message for a specific report item.
 " a:1: Optional advice (string or list)
 function! s:format_report_message(status, msg, ...) abort " {{{
-  let output = '  - ' . a:status . ': ' . s:indent_after_line1(a:msg, 4)
+  let output = '- ' .. a:status .. (empty(a:status) ? '' : ' ') .. s:indent_after_line1(a:msg, 2)
 
   " Optional parameters
   if a:0 > 0
@@ -92,9 +96,9 @@ function! s:format_report_message(status, msg, ...) abort " {{{
 
     " Report each suggestion
     if !empty(advice)
-      let output .= "\n    - ADVICE:"
+      let output .= "\n  - ADVICE:"
       for suggestion in advice
-        let output .= "\n      - " . s:indent_after_line1(suggestion, 10)
+        let output .= "\n    - " . s:indent_after_line1(suggestion, 6)
       endfor
     endif
   endif
@@ -102,9 +106,9 @@ function! s:format_report_message(status, msg, ...) abort " {{{
   return s:help_to_link(output)
 endfunction " }}}
 
-" Use {msg} to report information in the current section
+" Reports a message as a listitem in the current section.
 function! health#report_info(msg) abort " {{{
-  call s:collect_output(s:format_report_message('INFO', a:msg))
+  call s:collect_output(s:format_report_message('', a:msg))
 endfunction " }}}
 
 " Reports a successful healthcheck.
diff --git a/runtime/autoload/health/nvim.vim b/runtime/autoload/health/nvim.vim
deleted file mode 100644
index 9b387095ee..0000000000
--- a/runtime/autoload/health/nvim.vim
+++ /dev/null
@@ -1,284 +0,0 @@
-let s:suggest_faq = 'https://github.com/neovim/neovim/wiki/FAQ'
-
-function! s:check_config() abort
-  let ok = v:true
-  call health#report_start('Configuration')
-
-  let vimrc = empty($MYVIMRC) ? stdpath('config').'/init.vim' : $MYVIMRC
-  if !filereadable(vimrc)
-    let ok = v:false
-    let has_vim = filereadable(expand('~/.vimrc'))
-    call health#report_warn((-1 == getfsize(vimrc) ? 'Missing' : 'Unreadable').' user config file: '.vimrc,
-          \[ has_vim ? ':help nvim-from-vim' : ':help init.vim' ])
-  endif
-
-  " If $VIM is empty we don't care. Else make sure it is valid.
-  if !empty($VIM) && !filereadable($VIM.'/runtime/doc/nvim.txt')
-    let ok = v:false
-    call health#report_error('$VIM is invalid: '.$VIM)
-  endif
-
-  if exists('$NVIM_TUI_ENABLE_CURSOR_SHAPE')
-    let ok = v:false
-    call health#report_warn('$NVIM_TUI_ENABLE_CURSOR_SHAPE is ignored in Nvim 0.2+',
-          \ [ "Use the 'guicursor' option to configure cursor shape. :help 'guicursor'",
-          \   'https://github.com/neovim/neovim/wiki/Following-HEAD#20170402' ])
-  endif
-
-  if v:ctype ==# 'C'
-    let ok = v:false
-    call health#report_error('Locale does not support UTF-8. Unicode characters may not display correctly.'
-          \                  .printf("\n$LANG=%s $LC_ALL=%s $LC_CTYPE=%s", $LANG, $LC_ALL, $LC_CTYPE),
-          \ [ 'If using tmux, try the -u option.',
-          \   'Ensure that your terminal/shell/tmux/etc inherits the environment, or set $LANG explicitly.' ,
-          \   'Configure your system locale.' ])
-  endif
-
-  if &paste
-    let ok = v:false
-    call health#report_error("'paste' is enabled. This option is only for pasting text.\nIt should not be set in your config.",
-          \ [ 'Remove `set paste` from your init.vim, if applicable.',
-          \   'Check `:verbose set paste?` to see if a plugin or script set the option.', ])
-  endif
-
-  let writeable = v:true
-  let shadafile = empty(&shada) ? &shada : substitute(matchstr(
-        \ split(&shada, ',')[-1], '^n.\+'), '^n', '', '')
-  let shadafile = empty(&shadafile) ? empty(shadafile) ?
-        \ stdpath('state').'/shada/main.shada' : expand(shadafile)
-        \ : &shadafile ==# 'NONE' ? '' : &shadafile
-  if !empty(shadafile) && empty(glob(shadafile))
-    " Since this may be the first time neovim has been run, we will try to
-    " create a shada file
-    try
-      wshada
-    catch /.*/
-      let writeable = v:false
-    endtry
-  endif
-  if !writeable || (!empty(shadafile) &&
-        \ (!filereadable(shadafile) || !filewritable(shadafile)))
-    let ok = v:false
-    call health#report_error('shada file is not '.
-          \ ((!writeable || filereadable(shadafile)) ?
-          \ 'writeable' : 'readable').":\n".shadafile)
-  endif
-
-  if ok
-    call health#report_ok('no issues found')
-  endif
-endfunction
-
-" Load the remote plugin manifest file and check for unregistered plugins
-function! s:check_rplugin_manifest() abort
-  call health#report_start('Remote Plugins')
-  let existing_rplugins = {}
-
-  for item in remote#host#PluginsForHost('python')
-    let existing_rplugins[item.path] = 'python'
-  endfor
-
-  for item in remote#host#PluginsForHost('python3')
-    let existing_rplugins[item.path] = 'python3'
-  endfor
-
-  let require_update = 0
-
-  for path in map(split(&runtimepath, ','), 'resolve(v:val)')
-    let python_glob = glob(path.'/rplugin/python*', 1, 1)
-    if empty(python_glob)
-      continue
-    endif
-
-    let python_dir = python_glob[0]
-    let python_version = fnamemodify(python_dir, ':t')
-
-    for script in glob(python_dir.'/*.py', 1, 1)
-          \ + glob(python_dir.'/*/__init__.py', 1, 1)
-      let contents = join(readfile(script))
-      if contents =~# '\<\%(from\|import\)\s\+neovim\>'
-        if script =~# '[\/]__init__\.py$'
-          let script = tr(fnamemodify(script, ':h'), '\', '/')
-        endif
-
-        if !has_key(existing_rplugins, script)
-          let msg = printf('"%s" is not registered.', fnamemodify(path, ':t'))
-          if python_version ==# 'pythonx'
-            if !has('python3')
-              let msg .= ' (python3 not available)'
-            endif
-          elseif !has(python_version)
-            let msg .= printf(' (%s not available)', python_version)
-          else
-            let require_update = 1
-          endif
-
-          call health#report_warn(msg)
-        endif
-
-        break
-      endif
-    endfor
-  endfor
-
-  if require_update
-    call health#report_warn('Out of date', ['Run `:UpdateRemotePlugins`'])
-  else
-    call health#report_ok('Up to date')
-  endif
-endfunction
-
-function! s:check_performance() abort
-  call health#report_start('Performance')
-
-  " check buildtype
-  let buildtype = matchstr(execute('version'), '\v\cbuild type:?\s*[^\n\r\t ]+')
-  if empty(buildtype)
-    call health#report_error('failed to get build type from :version')
-  elseif buildtype =~# '\v(MinSizeRel|Release|RelWithDebInfo)'
-    call health#report_ok(buildtype)
-  else
-    call health#report_info(buildtype)
-    call health#report_warn(
-          \ 'Non-optimized '.(has('debug')?'(DEBUG) ':'').'build. Nvim will be slower.',
-          \ ['Install a different Nvim package, or rebuild with `CMAKE_BUILD_TYPE=RelWithDebInfo`.',
-          \  s:suggest_faq])
-  endif
-
-  " check for slow shell invocation
-  let slow_cmd_time = 1.5
-  let start_time = reltime()
-  call system('echo')
-  let elapsed_time = reltimefloat(reltime(start_time))
-  if elapsed_time > slow_cmd_time
-    call health#report_warn(
-          \ 'Slow shell invocation (took '.printf('%.2f', elapsed_time).' seconds).')
-  endif
-endfunction
-
-function! s:get_tmux_option(option) abort
-  let cmd = 'tmux show-option -qvg '.a:option  " try global scope
-  let out = system(split(cmd))
-  let val = substitute(out, '\v(\s|\r|\n)', '', 'g')
-  if v:shell_error
-    call health#report_error('command failed: '.cmd."\n".out)
-    return 'error'
-  elseif empty(val)
-    let cmd = 'tmux show-option -qvgs '.a:option  " try session scope
-    let out = system(split(cmd))
-    let val = substitute(out, '\v(\s|\r|\n)', '', 'g')
-    if v:shell_error
-      call health#report_error('command failed: '.cmd."\n".out)
-      return 'error'
-    endif
-  endif
-  return val
-endfunction
-
-function! s:check_tmux() abort
-  if empty($TMUX) || !executable('tmux')
-    return
-  endif
-  call health#report_start('tmux')
-
-  " check escape-time
-  let suggestions = ["set escape-time in ~/.tmux.conf:\nset-option -sg escape-time 10",
-        \ s:suggest_faq]
-  let tmux_esc_time = s:get_tmux_option('escape-time')
-  if tmux_esc_time !=# 'error'
-    if empty(tmux_esc_time)
-      call health#report_error('`escape-time` is not set', suggestions)
-    elseif tmux_esc_time > 300
-      call health#report_error(
-          \ '`escape-time` ('.tmux_esc_time.') is higher than 300ms', suggestions)
-    else
-      call health#report_ok('escape-time: '.tmux_esc_time)
-    endif
-  endif
-
-  " check focus-events
-  let suggestions = ["(tmux 1.9+ only) Set `focus-events` in ~/.tmux.conf:\nset-option -g focus-events on"]
-  let tmux_focus_events = s:get_tmux_option('focus-events')
-  call health#report_info('Checking stuff')
-  if tmux_focus_events !=# 'error'
-    if empty(tmux_focus_events) || tmux_focus_events !=# 'on'
-      call health#report_warn(
-          \ "`focus-events` is not enabled. |'autoread'| may not work.", suggestions)
-    else
-      call health#report_ok('focus-events: '.tmux_focus_events)
-    endif
-  endif
-
-  " check default-terminal and $TERM
-  call health#report_info('$TERM: '.$TERM)
-  let cmd = 'tmux show-option -qvg default-terminal'
-  let out = system(split(cmd))
-  let tmux_default_term = substitute(out, '\v(\s|\r|\n)', '', 'g')
-  if empty(tmux_default_term)
-    let cmd = 'tmux show-option -qvgs default-terminal'
-    let out = system(split(cmd))
-    let tmux_default_term = substitute(out, '\v(\s|\r|\n)', '', 'g')
-  endif
-
-  if v:shell_error
-    call health#report_error('command failed: '.cmd."\n".out)
-  elseif tmux_default_term !=# $TERM
-    call health#report_info('default-terminal: '.tmux_default_term)
-    call health#report_error(
-          \ '$TERM differs from the tmux `default-terminal` setting. Colors might look wrong.',
-          \ ['$TERM may have been set by some rc (.bashrc, .zshrc, ...).'])
-  elseif $TERM !~# '\v(tmux-256color|screen-256color)'
-    call health#report_error(
-          \ '$TERM should be "screen-256color" or "tmux-256color" in tmux. Colors might look wrong.',
-          \ ["Set default-terminal in ~/.tmux.conf:\nset-option -g default-terminal \"screen-256color\"",
-          \  s:suggest_faq])
-  endif
-
-  " check for RGB capabilities
-  let info = system(['tmux', 'server-info'])
-  let has_tc = stridx(info, " Tc: (flag) true") != -1
-  let has_rgb = stridx(info, " RGB: (flag) true") != -1
-  if !has_tc && !has_rgb
-    call health#report_warn(
-          \ "Neither Tc nor RGB capability set. True colors are disabled. |'termguicolors'| won't work properly.",
-          \ ["Put this in your ~/.tmux.conf and replace XXX by your $TERM outside of tmux:\nset-option -sa terminal-overrides ',XXX:RGB'",
-          \  "For older tmux versions use this instead:\nset-option -ga terminal-overrides ',XXX:Tc'"])
-  endif
-endfunction
-
-function! s:check_terminal() abort
-  if !executable('infocmp')
-    return
-  endif
-  call health#report_start('terminal')
-  let cmd = 'infocmp -L'
-  let out = system(split(cmd))
-  let kbs_entry   = matchstr(out, 'key_backspace=[^,[:space:]]*')
-  let kdch1_entry = matchstr(out, 'key_dc=[^,[:space:]]*')
-
-  if v:shell_error
-        \ && (!has('win32')
-        \ || empty(matchstr(out,
-        \                   'infocmp: couldn''t open terminfo file .\+'
-        \                   ..'\%(conemu\|vtpcon\|win32con\)')))
-    call health#report_error('command failed: '.cmd."\n".out)
-  else
-    call health#report_info('key_backspace (kbs) terminfo entry: '
-          \ .(empty(kbs_entry) ? '? (not found)' : kbs_entry))
-    call health#report_info('key_dc (kdch1) terminfo entry: '
-          \ .(empty(kbs_entry) ? '? (not found)' : kdch1_entry))
-  endif
-  for env_var in ['XTERM_VERSION', 'VTE_VERSION', 'TERM_PROGRAM', 'COLORTERM', 'SSH_TTY']
-    if exists('$'.env_var)
-      call health#report_info(printf("$%s='%s'", env_var, eval('$'.env_var)))
-    endif
-  endfor
-endfunction
-
-function! health#nvim#check() abort
-  call s:check_config()
-  call s:check_performance()
-  call s:check_rplugin_manifest()
-  call s:check_terminal()
-  call s:check_tmux()
-endfunction
diff --git a/runtime/autoload/man.vim b/runtime/autoload/man.vim
deleted file mode 100644
index b8a73a64c9..0000000000
--- a/runtime/autoload/man.vim
+++ /dev/null
@@ -1,529 +0,0 @@
-" Maintainer: Anmol Sethi <hi@nhooyr.io>
-
-if exists('s:loaded_man')
-  finish
-endif
-let s:loaded_man = 1
-
-let s:find_arg = '-w'
-let s:localfile_arg = v:true  " Always use -l if possible. #6683
-
-function! man#init() abort
-  try
-    " Check for -l support.
-    call s:get_page(s:get_path('', 'man'))
-  catch /command error .*/
-    let s:localfile_arg = v:false
-  endtry
-endfunction
-
-function! man#open_page(count, mods, ...) abort
-  if a:0 > 2
-    call s:error('too many arguments')
-    return
-  elseif a:0 == 0
-    let ref = &filetype ==# 'man' ? expand('<cWORD>') : expand('<cword>')
-    if empty(ref)
-      call s:error('no identifier under cursor')
-      return
-    endif
-  elseif a:0 ==# 1
-    let ref = a:1
-  else
-    " Combine the name and sect into a manpage reference so that all
-    " verification/extraction can be kept in a single function.
-    " If a:2 is a reference as well, that is fine because it is the only
-    " reference that will match.
-    let ref = a:2.'('.a:1.')'
-  endif
-  try
-    let [sect, name] = s:extract_sect_and_name_ref(ref)
-    if a:count >= 0
-      let sect = string(a:count)
-    endif
-    let path = s:verify_exists(sect, name)
-    let [sect, name] = s:extract_sect_and_name_path(path)
-  catch
-    call s:error(v:exception)
-    return
-  endtry
-
-  let [l:buf, l:save_tfu] = [bufnr(), &tagfunc]
-  try
-    setlocal tagfunc=man#goto_tag
-    let l:target = l:name . '(' . l:sect . ')'
-    if a:mods !~# 'tab' && s:find_man()
-      execute 'silent keepalt tag' l:target
-    else
-      execute 'silent keepalt' a:mods 'stag' l:target
-    endif
-    call s:set_options(v:false)
-  finally
-    call setbufvar(l:buf, '&tagfunc', l:save_tfu)
-  endtry
-
-  let b:man_sect = sect
-endfunction
-
-" Called when a man:// buffer is opened.
-function! man#read_page(ref) abort
-  try
-    let [sect, name] = s:extract_sect_and_name_ref(a:ref)
-    let path = s:verify_exists(sect, name)
-    let [sect, name] = s:extract_sect_and_name_path(path)
-    let page = s:get_page(path)
-  catch
-    call s:error(v:exception)
-    return
-  endtry
-  let b:man_sect = sect
-  call s:put_page(page)
-endfunction
-
-" Handler for s:system() function.
-function! s:system_handler(jobid, data, event) dict abort
-  if a:event is# 'stdout' || a:event is# 'stderr'
-    let self[a:event] .= join(a:data, "\n")
-  else
-    let self.exit_code = a:data
-  endif
-endfunction
-
-" Run a system command and timeout after 30 seconds.
-function! s:system(cmd, ...) abort
-  let opts = {
-        \ 'stdout': '',
-        \ 'stderr': '',
-        \ 'exit_code': 0,
-        \ 'on_stdout': function('s:system_handler'),
-        \ 'on_stderr': function('s:system_handler'),
-        \ 'on_exit': function('s:system_handler'),
-        \ }
-  let jobid = jobstart(a:cmd, opts)
-
-  if jobid < 1
-    throw printf('command error %d: %s', jobid, join(a:cmd))
-  endif
-
-  let res = jobwait([jobid], 30000)
-  if res[0] == -1
-    try
-      call jobstop(jobid)
-      throw printf('command timed out: %s', join(a:cmd))
-    catch /^Vim(call):E900:/
-    endtry
-  elseif res[0] == -2
-    throw printf('command interrupted: %s', join(a:cmd))
-  endif
-  if opts.exit_code != 0
-    throw printf("command error (%d) %s: %s", jobid, join(a:cmd), substitute(opts.stderr, '\_s\+$', '', &gdefault ? '' : 'g'))
-  endif
-
-  return opts.stdout
-endfunction
-
-function! s:set_options(pager) abort
-  setlocal noswapfile buftype=nofile bufhidden=hide
-  setlocal nomodified readonly nomodifiable
-  let b:pager = a:pager
-  setlocal filetype=man
-endfunction
-
-function! s:get_page(path) abort
-  " Disable hard-wrap by using a big $MANWIDTH (max 1000 on some systems #9065).
-  " Soft-wrap: ftplugin/man.vim sets wrap/breakindent/….
-  " Hard-wrap: driven by `man`.
-  let manwidth = !get(g:, 'man_hardwrap', 1) ? 999 : (empty($MANWIDTH) ? winwidth(0) : $MANWIDTH)
-  " Force MANPAGER=cat to ensure Vim is not recursively invoked (by man-db).
-  " http://comments.gmane.org/gmane.editors.vim.devel/29085
-  " Set MAN_KEEP_FORMATTING so Debian man doesn't discard backspaces.
-  let cmd = ['env', 'MANPAGER=cat', 'MANWIDTH='.manwidth, 'MAN_KEEP_FORMATTING=1', 'man']
-  return s:system(cmd + (s:localfile_arg ? ['-l', a:path] : [a:path]))
-endfunction
-
-function! s:put_page(page) abort
-  setlocal modifiable noreadonly noswapfile
-  silent keepjumps %delete _
-  silent put =a:page
-  while getline(1) =~# '^\s*$'
-    silent keepjumps 1delete _
-  endwhile
-  " XXX: nroff justifies text by filling it with whitespace.  That interacts
-  " badly with our use of $MANWIDTH=999.  Hack around this by using a fixed
-  " size for those whitespace regions.
-  silent! keeppatterns keepjumps %s/\s\{199,}/\=repeat(' ', 10)/g
-  1
-  lua require("man").highlight_man_page()
-  call s:set_options(v:false)
-endfunction
-
-function! man#show_toc() abort
-  let bufname = bufname('%')
-  let info = getloclist(0, {'winid': 1})
-  if !empty(info) && getwinvar(info.winid, 'qf_toc') ==# bufname
-    lopen
-    return
-  endif
-
-  let toc = []
-  let lnum = 2
-  let last_line = line('$') - 1
-  while lnum && lnum < last_line
-    let text = getline(lnum)
-    if text =~# '^\%( \{3\}\)\=\S.*$'
-      " if text is a section title
-      call add(toc, {'bufnr': bufnr('%'), 'lnum': lnum, 'text': text})
-    elseif text =~# '^\s\+\%(+\|-\)\S\+'
-      " if text is a flag title. we strip whitespaces and prepend two
-      " spaces to have a consistent format in the loclist.
-      let text = '  ' .. substitute(text, '^\s*\(.\{-}\)\s*$', '\1', '')
-      call add(toc, {'bufnr': bufnr('%'), 'lnum': lnum, 'text': text})
-    endif
-    let lnum = nextnonblank(lnum + 1)
-  endwhile
-
-  call setloclist(0, toc, ' ')
-  call setloclist(0, [], 'a', {'title': 'Man TOC'})
-  lopen
-  let w:qf_toc = bufname
-endfunction
-
-" attempt to extract the name and sect out of 'name(sect)'
-" otherwise just return the largest string of valid characters in ref
-function! s:extract_sect_and_name_ref(ref) abort
-  if a:ref[0] ==# '-' " try ':Man -pandoc' with this disabled.
-    throw 'manpage name cannot start with ''-'''
-  endif
-  let ref = matchstr(a:ref, '[^()]\+([^()]\+)')
-  if empty(ref)
-    let name = matchstr(a:ref, '[^()]\+')
-    if empty(name)
-      throw 'manpage reference cannot contain only parentheses'
-    endif
-    return ['', s:spaces_to_underscores(name)]
-  endif
-  let left = split(ref, '(')
-  " see ':Man 3X curses' on why tolower.
-  " TODO(nhooyr) Not sure if this is portable across OSs
-  " but I have not seen a single uppercase section.
-  return [tolower(split(left[1], ')')[0]), s:spaces_to_underscores(left[0])]
-endfunction
-
-" replace spaces in a man page name with underscores
-" intended for PostgreSQL, which has man pages like 'CREATE_TABLE(7)';
-" while editing SQL source code, it's nice to visually select 'CREATE TABLE'
-" and hit 'K', which requires this transformation
-function! s:spaces_to_underscores(str)
-  return substitute(a:str, ' ', '_', 'g')
-endfunction
-
-function! s:get_path(sect, name) abort
-  " Some man implementations (OpenBSD) return all available paths from the
-  " search command. Previously, this function would simply select the first one.
-  "
-  " However, some searches will report matches that are incorrect:
-  " man -w strlen may return string.3 followed by strlen.3, and therefore
-  " selecting the first would get us the wrong page. Thus, we must find the
-  " first matching one.
-  "
-  " There's yet another special case here. Consider the following:
-  " If you run man -w strlen and string.3 comes up first, this is a problem. We
-  " should search for a matching named one in the results list.
-  " However, if you search for man -w clock_gettime, you will *only* get
-  " clock_getres.2, which is the right page. Searching the resuls for
-  " clock_gettime will no longer work. In this case, we should just use the
-  " first one that was found in the correct section.
-  "
-  " Finally, we can avoid relying on -S or -s here since they are very
-  " inconsistently supported. Instead, call -w with a section and a name.
-  if empty(a:sect)
-    let results = split(s:system(['man', s:find_arg, a:name]))
-  else
-    let results = split(s:system(['man', s:find_arg, a:sect, a:name]))
-  endif
-
-  if empty(results)
-    return ''
-  endif
-
-  " find any that match the specified name
-  let namematches = filter(copy(results), 'fnamemodify(v:val, ":t") =~ a:name')
-  let sectmatches = []
-
-  if !empty(namematches) && !empty(a:sect)
-    let sectmatches = filter(copy(namematches), 'fnamemodify(v:val, ":e") == a:sect')
-  endif
-
-  return substitute(get(sectmatches, 0, get(namematches, 0, results[0])), '\n\+$', '', '')
-endfunction
-
-" s:verify_exists attempts to find the path to a manpage
-" based on the passed section and name.
-"
-" 1. If the passed section is empty, b:man_default_sects is used.
-" 2. If manpage could not be found with the given sect and name,
-"    then another attempt is made with b:man_default_sects.
-" 3. If it still could not be found, then we try again without a section.
-" 4. If still not found but $MANSECT is set, then we try again with $MANSECT
-"    unset.
-"
-" This function is careful to avoid duplicating a search if a previous
-" step has already done it. i.e if we use b:man_default_sects in step 1,
-" then we don't do it again in step 2.
-function! s:verify_exists(sect, name) abort
-  let sect = a:sect
-
-  if empty(sect)
-    " no section specified, so search with b:man_default_sects
-    if exists('b:man_default_sects')
-      let sects = split(b:man_default_sects, ',')
-      for sec in sects
-        try
-          let res = s:get_path(sec, a:name)
-          if !empty(res)
-            return res
-          endif
-        catch /^command error (/
-        endtry
-      endfor
-    endif
-  else
-    " try with specified section
-    try
-      let res = s:get_path(sect, a:name)
-      if !empty(res)
-        return res
-      endif
-    catch /^command error (/
-    endtry
-
-    " try again with b:man_default_sects
-    if exists('b:man_default_sects')
-      let sects = split(b:man_default_sects, ',')
-      for sec in sects
-        try
-          let res = s:get_path(sec, a:name)
-          if !empty(res)
-            return res
-          endif
-        catch /^command error (/
-        endtry
-      endfor
-    endif
-  endif
-
-  " if none of the above worked, we will try with no section
-  try
-    let res = s:get_path('', a:name)
-    if !empty(res)
-      return res
-    endif
-  catch /^command error (/
-  endtry
-
-  " if that still didn't work, we will check for $MANSECT and try again with it
-  " unset
-  if !empty($MANSECT)
-    try
-      let MANSECT = $MANSECT
-      call setenv('MANSECT', v:null)
-      let res = s:get_path('', a:name)
-      if !empty(res)
-        return res
-      endif
-    catch /^command error (/
-    finally
-      call setenv('MANSECT', MANSECT)
-    endtry
-  endif
-
-  " finally, if that didn't work, there is no hope
-  throw 'no manual entry for ' . a:name
-endfunction
-
-" Extracts the name/section from the 'path/name.sect', because sometimes the actual section is
-" more specific than what we provided to `man` (try `:Man 3 App::CLI`).
-" Also on linux, name seems to be case-insensitive. So for `:Man PRIntf`, we
-" still want the name of the buffer to be 'printf'.
-function! s:extract_sect_and_name_path(path) abort
-  let tail = fnamemodify(a:path, ':t')
-  if a:path =~# '\.\%([glx]z\|bz2\|lzma\|Z\)$' " valid extensions
-    let tail = fnamemodify(tail, ':r')
-  endif
-  let sect = matchstr(tail, '\.\zs[^.]\+$')
-  let name = matchstr(tail, '^.\+\ze\.')
-  return [sect, name]
-endfunction
-
-function! s:find_man() abort
-  let l:win = 1
-  while l:win <= winnr('$')
-    let l:buf = winbufnr(l:win)
-    if getbufvar(l:buf, '&filetype', '') ==# 'man'
-      execute l:win.'wincmd w'
-      return 1
-    endif
-    let l:win += 1
-  endwhile
-  return 0
-endfunction
-
-function! s:error(msg) abort
-  redraw
-  echohl ErrorMsg
-  echon 'man.vim: ' a:msg
-  echohl None
-endfunction
-
-" see s:extract_sect_and_name_ref on why tolower(sect)
-function! man#complete(arg_lead, cmd_line, cursor_pos) abort
-  let args = split(a:cmd_line)
-  let cmd_offset = index(args, 'Man')
-  if cmd_offset > 0
-    " Prune all arguments up to :Man itself. Otherwise modifier commands like
-    " :tab, :vertical, etc. would lead to a wrong length.
-    let args = args[cmd_offset:]
-  endif
-  let l = len(args)
-  if l > 3
-    return
-  elseif l ==# 1
-    let name = ''
-    let sect = ''
-  elseif a:arg_lead =~# '^[^()]\+([^()]*$'
-    " cursor (|) is at ':Man printf(|' or ':Man 1 printf(|'
-    " The later is is allowed because of ':Man pri<TAB>'.
-    " It will offer 'priclass.d(1m)' even though section is specified as 1.
-    let tmp = split(a:arg_lead, '(')
-    let name = tmp[0]
-    let sect = tolower(get(tmp, 1, ''))
-    return s:complete(sect, '', name)
-  elseif args[1] !~# '^[^()]\+$'
-    " cursor (|) is at ':Man 3() |' or ':Man (3|' or ':Man 3() pri|'
-    " or ':Man 3() pri |'
-    return
-  elseif l ==# 2
-    if empty(a:arg_lead)
-      " cursor (|) is at ':Man 1 |'
-      let name = ''
-      let sect = tolower(args[1])
-    else
-      " cursor (|) is at ':Man pri|'
-      if a:arg_lead =~# '\/'
-        " if the name is a path, complete files
-        " TODO(nhooyr) why does this complete the last one automatically
-        return glob(a:arg_lead.'*', 0, 1)
-      endif
-      let name = a:arg_lead
-      let sect = ''
-    endif
-  elseif a:arg_lead !~# '^[^()]\+$'
-    " cursor (|) is at ':Man 3 printf |' or ':Man 3 (pr)i|'
-    return
-  else
-    " cursor (|) is at ':Man 3 pri|'
-    let name = a:arg_lead
-    let sect = tolower(args[1])
-  endif
-  return s:complete(sect, sect, name)
-endfunction
-
-function! s:get_paths(sect, name, do_fallback) abort
-  " callers must try-catch this, as some `man` implementations don't support `s:find_arg`
-  try
-    let mandirs = join(split(s:system(['man', s:find_arg]), ':\|\n'), ',')
-    let paths = globpath(mandirs, 'man?/'.a:name.'*.'.a:sect.'*', 0, 1)
-    try
-      " Prioritize the result from verify_exists as it obeys b:man_default_sects.
-      let first = s:verify_exists(a:sect, a:name)
-      let paths = filter(paths, 'v:val !=# first')
-      let paths = [first] + paths
-    catch
-    endtry
-    return paths
-  catch
-    if !a:do_fallback
-      throw v:exception
-    endif
-
-    " Fallback to a single path, with the page we're trying to find.
-    try
-      return [s:verify_exists(a:sect, a:name)]
-    catch
-      return []
-    endtry
-  endtry
-endfunction
-
-function! s:complete(sect, psect, name) abort
-  let pages = s:get_paths(a:sect, a:name, v:false)
-  " We remove duplicates in case the same manpage in different languages was found.
-  return uniq(sort(map(pages, 's:format_candidate(v:val, a:psect)'), 'i'))
-endfunction
-
-function! s:format_candidate(path, psect) abort
-  if a:path =~# '\.\%(pdf\|in\)$' " invalid extensions
-    return
-  endif
-  let [sect, name] = s:extract_sect_and_name_path(a:path)
-  if sect ==# a:psect
-    return name
-  elseif sect =~# a:psect.'.\+$'
-    " We include the section if the user provided section is a prefix
-    " of the actual section.
-    return name.'('.sect.')'
-  endif
-endfunction
-
-" Called when Nvim is invoked as $MANPAGER.
-function! man#init_pager() abort
-  if getline(1) =~# '^\s*$'
-    silent keepjumps 1delete _
-  else
-    keepjumps 1
-  endif
-  lua require("man").highlight_man_page()
-  " Guess the ref from the heading (which is usually uppercase, so we cannot
-  " know the correct casing, cf. `man glDrawArraysInstanced`).
-  let ref = substitute(matchstr(getline(1), '^[^)]\+)'), ' ', '_', 'g')
-  try
-    let b:man_sect = s:extract_sect_and_name_ref(ref)[0]
-  catch
-    let b:man_sect = ''
-  endtry
-  if -1 == match(bufname('%'), 'man:\/\/')  " Avoid duplicate buffers, E95.
-    execute 'silent file man://'.tolower(fnameescape(ref))
-  endif
-
-  call s:set_options(v:true)
-endfunction
-
-function! man#goto_tag(pattern, flags, info) abort
-  let [l:sect, l:name] = s:extract_sect_and_name_ref(a:pattern)
-
-  let l:paths = s:get_paths(l:sect, l:name, v:true)
-  let l:structured = []
-
-  for l:path in l:paths
-    let [l:sect, l:name] = s:extract_sect_and_name_path(l:path)
-    let l:structured += [{
-          \ 'name': l:name,
-          \ 'title': l:name . '(' . l:sect . ')'
-          \ }]
-  endfor
-
-  if &cscopetag
-    " return only a single entry so we work well with :cstag (#11675)
-    let l:structured = l:structured[:0]
-  endif
-
-  return map(l:structured, {
-  \  _, entry -> {
-  \      'name': entry.name,
-  \      'filename': 'man://' . entry.title,
-  \      'cmd': '1'
-  \    }
-  \  })
-endfunction
-
-call man#init()
diff --git a/runtime/autoload/netrw.vim b/runtime/autoload/netrw.vim
index ef0282848f..2fcf0b32c7 100644
--- a/runtime/autoload/netrw.vim
+++ b/runtime/autoload/netrw.vim
@@ -1751,8 +1751,10 @@ fun! s:NetrwOptionsRestore(vt)
 "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo." a:vt=".a:vt,'~'.expand("<slnum>"))
   if !exists("{a:vt}netrw_optionsave")
 "   call Decho("case ".a:vt."netrw_optionsave : doesn't exist",'~'.expand("<slnum>"))
-"   call Decho("..doing filetype detect anyway")
-   filetype detect
+   if !isdirectory(expand('%'))
+"    call Decho("..doing filetype detect anyway")
+     filetype detect
+   endif
 "   call Decho("..settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo." a:vt=".a:vt,'~'.expand("<slnum>"))
 "   call Decho("..ro=".&l:ro." ma=".&l:ma." mod=".&l:mod." wrap=".&l:wrap." (filename<".expand("%")."> win#".winnr()." ft<".&ft.">)",'~'.expand("<slnum>"))
 "   call Dret("s:NetrwOptionsRestore : ".a:vt."netrw_optionsave doesn't exist")
@@ -1859,9 +1861,11 @@ fun! s:NetrwOptionsRestore(vt)
   " were having their filetype detect-generated settings overwritten by
   " NetrwOptionRestore.
   if &ft != "netrw"
-"   call Decho("before: filetype detect  (ft=".&ft.")",'~'.expand("<slnum>"))
-   filetype detect
-"   call Decho("after : filetype detect  (ft=".&ft.")",'~'.expand("<slnum>"))
+    if !isdirectory(expand('%'))
+"     call Decho("before: filetype detect  (ft=".&ft.")",'~'.expand("<slnum>"))
+      filetype detect
+"     call Decho("after : filetype detect  (ft=".&ft.")",'~'.expand("<slnum>"))
+    endif
   endif
 "  call Decho("(s:NetrwOptionsRestore) lines=".&lines)
 "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo." a:vt=".a:vt,'~'.expand("<slnum>"))
@@ -6442,7 +6446,6 @@ fun! s:NetrwMaps(islocal)
 "  if !hasmapto('<Plug>NetrwMarkFileGrep')      |nmap <buffer> <silent> <nowait> mg	<Plug>NetrwMarkFileGrep|endif
 "  if !hasmapto('<Plug>NetrwMarkHideSfx')       |nmap <buffer> <silent> <nowait> mh	<Plug>NetrwMarkHideSfx|endif
 "  if !hasmapto('<Plug>NetrwMarkFileMove')      |nmap <buffer> <silent> <nowait> mm	<Plug>NetrwMarkFileMove|endif
-"  if !hasmapto('<Plug>NetrwMarkFilePrint')     |nmap <buffer> <silent> <nowait> mp	<Plug>NetrwMarkFilePrint|endif
 "  if !hasmapto('<Plug>NetrwMarkFileRegexp')    |nmap <buffer> <silent> <nowait> mr	<Plug>NetrwMarkFileRegexp|endif
 "  if !hasmapto('<Plug>NetrwMarkFileSource')    |nmap <buffer> <silent> <nowait> ms	<Plug>NetrwMarkFileSource|endif
 "  if !hasmapto('<Plug>NetrwMarkFileTag')       |nmap <buffer> <silent> <nowait> mT	<Plug>NetrwMarkFileTag|endif
@@ -6505,7 +6508,6 @@ fun! s:NetrwMaps(islocal)
    nnoremap <buffer> <silent> <nowait> mg	:<c-u>call <SID>NetrwMarkFileGrep(1)<cr>
    nnoremap <buffer> <silent> <nowait> mh	:<c-u>call <SID>NetrwMarkHideSfx(1)<cr>
    nnoremap <buffer> <silent> <nowait> mm	:<c-u>call <SID>NetrwMarkFileMove(1)<cr>
-   nnoremap <buffer> <silent> <nowait> mp	:<c-u>call <SID>NetrwMarkFilePrint(1)<cr>
    nnoremap <buffer> <silent> <nowait> mr	:<c-u>call <SID>NetrwMarkFileRegexp(1)<cr>
    nnoremap <buffer> <silent> <nowait> ms	:<c-u>call <SID>NetrwMarkFileSource(1)<cr>
    nnoremap <buffer> <silent> <nowait> mT	:<c-u>call <SID>NetrwMarkFileTag(1)<cr>
@@ -6618,7 +6620,6 @@ fun! s:NetrwMaps(islocal)
    nnoremap <buffer> <silent> <nowait> mg	:<c-u>call <SID>NetrwMarkFileGrep(0)<cr>
    nnoremap <buffer> <silent> <nowait> mh	:<c-u>call <SID>NetrwMarkHideSfx(0)<cr>
    nnoremap <buffer> <silent> <nowait> mm	:<c-u>call <SID>NetrwMarkFileMove(0)<cr>
-   nnoremap <buffer> <silent> <nowait> mp	:<c-u>call <SID>NetrwMarkFilePrint(0)<cr>
    nnoremap <buffer> <silent> <nowait> mr	:<c-u>call <SID>NetrwMarkFileRegexp(0)<cr>
    nnoremap <buffer> <silent> <nowait> ms	:<c-u>call <SID>NetrwMarkFileSource(0)<cr>
    nnoremap <buffer> <silent> <nowait> mT	:<c-u>call <SID>NetrwMarkFileTag(0)<cr>
@@ -7836,46 +7837,6 @@ fun! s:NetrwMarkFileMove(islocal)
 endfun
 
 " ---------------------------------------------------------------------
-" s:NetrwMarkFilePrint: (invoked by mp) This function prints marked files {{{2
-"                       using the hardcopy command.  Local marked-file list only.
-fun! s:NetrwMarkFilePrint(islocal)
-"  call Dfunc("s:NetrwMarkFilePrint(islocal=".a:islocal.")")
-  let curbufnr= bufnr("%")
-
-  " sanity check
-  if !exists("s:netrwmarkfilelist_{curbufnr}") || empty(s:netrwmarkfilelist_{curbufnr})
-   NetrwKeepj call netrw#ErrorMsg(2,"there are no marked files in this window (:help netrw-mf)",66)
-"   call Dret("s:NetrwMarkFilePrint")
-   return
-  endif
-"  call Decho("sanity chk passed: s:netrwmarkfilelist_".curbufnr."<".string(s:netrwmarkfilelist_{curbufnr}),'~'.expand("<slnum>"))
-  let curdir= s:NetrwGetCurdir(a:islocal)
-
-  if exists("s:netrwmarkfilelist_{curbufnr}")
-   let netrwmarkfilelist = s:netrwmarkfilelist_{curbufnr}
-   call s:NetrwUnmarkList(curbufnr,curdir)
-   for fname in netrwmarkfilelist
-    if a:islocal
-     if g:netrw_keepdir
-      let fname= s:ComposePath(curdir,fname)
-     endif
-    else
-     let fname= curdir.fname
-    endif
-    1split
-    " the autocmds will handle both local and remote files
-"    call Decho("exe sil e ".escape(fname,' '),'~'.expand("<slnum>"))
-    exe "sil NetrwKeepj e ".fnameescape(fname)
-"    call Decho("hardcopy",'~'.expand("<slnum>"))
-    hardcopy
-    q
-   endfor
-   2match none
-  endif
-"  call Dret("s:NetrwMarkFilePrint")
-endfun
-
-" ---------------------------------------------------------------------
 " s:NetrwMarkFileRegexp: (invoked by mr) This function is used to mark {{{2
 "                        files when given a regexp (for which a prompt is
 "                        issued) (matches to name of files).
diff --git a/runtime/autoload/provider/clipboard.vim b/runtime/autoload/provider/clipboard.vim
index 991bed6bbd..98c80f1843 100644
--- a/runtime/autoload/provider/clipboard.vim
+++ b/runtime/autoload/provider/clipboard.vim
@@ -97,18 +97,24 @@ function! provider#clipboard#Executable() abort
     let s:copy['*'] = ['wl-copy', '--foreground', '--primary', '--type', 'text/plain']
     let s:paste['*'] = ['wl-paste', '--no-newline', '--primary']
     return 'wl-copy'
-  elseif !empty($DISPLAY) && executable('xclip')
-    let s:copy['+'] = ['xclip', '-quiet', '-i', '-selection', 'clipboard']
-    let s:paste['+'] = ['xclip', '-o', '-selection', 'clipboard']
-    let s:copy['*'] = ['xclip', '-quiet', '-i', '-selection', 'primary']
-    let s:paste['*'] = ['xclip', '-o', '-selection', 'primary']
-    return 'xclip'
+  elseif !empty($WAYLAND_DISPLAY) && executable('waycopy') && executable('waypaste')
+    let s:copy['+'] = ['waycopy', '-t', 'text/plain']
+    let s:paste['+'] = ['waypaste', '-t', 'text/plain']
+    let s:copy['*'] = s:copy['+']
+    let s:paste['*'] = s:paste['+']
+    return 'wayclip'
   elseif !empty($DISPLAY) && executable('xsel') && s:cmd_ok('xsel -o -b')
     let s:copy['+'] = ['xsel', '--nodetach', '-i', '-b']
     let s:paste['+'] = ['xsel', '-o', '-b']
     let s:copy['*'] = ['xsel', '--nodetach', '-i', '-p']
     let s:paste['*'] = ['xsel', '-o', '-p']
     return 'xsel'
+  elseif !empty($DISPLAY) && executable('xclip')
+    let s:copy['+'] = ['xclip', '-quiet', '-i', '-selection', 'clipboard']
+    let s:paste['+'] = ['xclip', '-o', '-selection', 'clipboard']
+    let s:copy['*'] = ['xclip', '-quiet', '-i', '-selection', 'primary']
+    let s:paste['*'] = ['xclip', '-o', '-selection', 'primary']
+    return 'xclip'
   elseif executable('lemonade')
     let s:copy['+'] = ['lemonade', 'copy']
     let s:paste['+'] = ['lemonade', 'paste']
@@ -139,7 +145,12 @@ function! provider#clipboard#Executable() abort
     let s:paste['*'] = s:paste['+']
     return 'termux-clipboard'
   elseif !empty($TMUX) && executable('tmux')
-    let s:copy['+'] = ['tmux', 'load-buffer', '-']
+    let ver = matchlist(systemlist(['tmux', '-V'])[0], '\vtmux %(next-)?(\d+)\.(\d+)')
+    if len(ver) >= 3 && (ver[1] > 3 || (ver[1] == 3 && ver[2] >= 2))
+      let s:copy['+'] = ['tmux', 'load-buffer', '-w', '-']
+    else
+      let s:copy['+'] = ['tmux', 'load-buffer', '-']
+    endif
     let s:paste['+'] = ['tmux', 'save-buffer', '-']
     let s:copy['*'] = s:copy['+']
     let s:paste['*'] = s:paste['+']
diff --git a/runtime/autoload/provider/node.vim b/runtime/autoload/provider/node.vim
index 45b1dd4fd7..87af0094fe 100644
--- a/runtime/autoload/provider/node.vim
+++ b/runtime/autoload/provider/node.vim
@@ -71,13 +71,11 @@ function! provider#node#Detect() abort
     let yarn_opts = deepcopy(s:NodeHandler)
     let yarn_opts.entry_point = '/node_modules/neovim/bin/cli.js'
     " `yarn global dir` is slow (> 250ms), try the default path first
-    " XXX: The following code is not portable
     " https://github.com/yarnpkg/yarn/issues/2049#issuecomment-263183768
-    if has('unix')
-      let yarn_default_path = $HOME . '/.config/yarn/global/' . yarn_opts.entry_point
-      if filereadable(yarn_default_path)
-        return [yarn_default_path, '']
-      endif
+    let yarn_config_dir = has('win32') ? '/AppData/Local/Yarn/Data' : '/.config/yarn'
+    let yarn_default_path = $HOME . yarn_config_dir . '/global/' . yarn_opts.entry_point
+    if filereadable(yarn_default_path)
+      return [yarn_default_path, '']
     endif
     let yarn_opts.job_id = jobstart('yarn global dir', yarn_opts)
   endif
diff --git a/runtime/autoload/python.vim b/runtime/autoload/python.vim
index e45dbd9db8..1eaad09ef5 100644
--- a/runtime/autoload/python.vim
+++ b/runtime/autoload/python.vim
@@ -3,13 +3,19 @@
 let s:keepcpo= &cpo
 set cpo&vim
 
-" searchpair() can be slow, limit the time to 150 msec or what is put in
-" g:pyindent_searchpair_timeout
-let s:searchpair_timeout = get(g:, 'pyindent_searchpair_timeout', 150)
-
-" Identing inside parentheses can be very slow, regardless of the searchpair()
-" timeout, so let the user disable this feature if he doesn't need it
-let s:disable_parentheses_indenting = get(g:, 'pyindent_disable_parentheses_indenting', v:false)
+" need to inspect some old g:pyindent_* variables to be backward compatible
+let g:python_indent = extend(get(g:, 'python_indent', {}), #{
+  \ closed_paren_align_last_line: v:true,
+  \ open_paren: get(g:, 'pyindent_open_paren', 'shiftwidth() * 2'),
+  \ nested_paren: get(g:, 'pyindent_nested_paren', 'shiftwidth()'),
+  \ continue: get(g:, 'pyindent_continue', 'shiftwidth() * 2'),
+  "\ searchpair() can be slow, limit the time to 150 msec or what is put in
+  "\ g:python_indent.searchpair_timeout
+  \ searchpair_timeout: get(g:, 'pyindent_searchpair_timeout', 150),
+  "\ Identing inside parentheses can be very slow, regardless of the searchpair()
+  "\ timeout, so let the user disable this feature if he doesn't need it
+  \ disable_parentheses_indenting: get(g:, 'pyindent_disable_parentheses_indenting', v:false),
+  \ }, 'keep')
 
 let s:maxoff = 50       " maximum number of lines to look backwards for ()
 
@@ -18,7 +24,7 @@ function s:SearchBracket(fromlnum, flags)
           \ {-> synstack('.', col('.'))
           \   ->map({_, id -> id->synIDattr('name')})
           \   ->match('\%(Comment\|Todo\|String\)$') >= 0},
-          \ [0, a:fromlnum - s:maxoff]->max(), s:searchpair_timeout)
+          \ [0, a:fromlnum - s:maxoff]->max(), g:python_indent.searchpair_timeout)
 endfunction
 
 " See if the specified line is already user-dedented from the expected value.
@@ -38,7 +44,7 @@ function python#GetIndent(lnum, ...)
     if a:lnum > 1 && getline(a:lnum - 2) =~ '\\$'
       return indent(a:lnum - 1)
     endif
-    return indent(a:lnum - 1) + (exists("g:pyindent_continue") ? eval(g:pyindent_continue) : (shiftwidth() * 2))
+    return indent(a:lnum - 1) + get(g:, 'pyindent_continue', g:python_indent.continue)->eval()
   endif
 
   " If the start of the line is in a string don't change the indent.
@@ -55,7 +61,7 @@ function python#GetIndent(lnum, ...)
     return 0
   endif
 
-  if s:disable_parentheses_indenting == 1
+  if g:python_indent.disable_parentheses_indenting == 1
     let plindent = indent(plnum)
     let plnumstart = plnum
   else
@@ -70,8 +76,12 @@ function python#GetIndent(lnum, ...)
     "         100, 200, 300, 400)
     call cursor(a:lnum, 1)
     let [parlnum, parcol] = s:SearchBracket(a:lnum, 'nbW')
-    if parlnum > 0 && parcol != col([parlnum, '$']) - 1
-      return parcol
+    if parlnum > 0
+      if parcol != col([parlnum, '$']) - 1
+        return parcol
+      elseif getline(a:lnum) =~ '^\s*[])}]' && !g:python_indent.closed_paren_align_last_line
+        return indent(parlnum)
+      endif
     endif
 
     call cursor(plnum, 1)
@@ -123,9 +133,11 @@ function python#GetIndent(lnum, ...)
           " When the start is inside parenthesis, only indent one 'shiftwidth'.
           let [pp, _] = s:SearchBracket(a:lnum, 'bW')
           if pp > 0
-            return indent(plnum) + (exists("g:pyindent_nested_paren") ? eval(g:pyindent_nested_paren) : shiftwidth())
+            return indent(plnum)
+              \ + get(g:, 'pyindent_nested_paren', g:python_indent.nested_paren)->eval()
           endif
-          return indent(plnum) + (exists("g:pyindent_open_paren") ? eval(g:pyindent_open_paren) : (shiftwidth() * 2))
+          return indent(plnum)
+            \ + get(g:, 'pyindent_open_paren', g:python_indent.open_paren)->eval()
         endif
         if plnumstart == p
           return indent(plnum)
diff --git a/runtime/autoload/tohtml.vim b/runtime/autoload/tohtml.vim
index 66f1cb46cb..4ae17815ba 100644
--- a/runtime/autoload/tohtml.vim
+++ b/runtime/autoload/tohtml.vim
@@ -712,6 +712,9 @@ func! tohtml#GetUserSettings() "{{{
     call tohtml#GetOption(user_settings,     'no_foldcolumn', user_settings.ignore_folding)
     call tohtml#GetOption(user_settings,      'hover_unfold', 0 )
     call tohtml#GetOption(user_settings,            'no_pre', 0 )
+    call tohtml#GetOption(user_settings,            'no_doc', 0 )
+    call tohtml#GetOption(user_settings,          'no_links', 0 )
+    call tohtml#GetOption(user_settings,       'no_modeline', 0 )
     call tohtml#GetOption(user_settings,        'no_invalid', 0 )
     call tohtml#GetOption(user_settings,      'whole_filler', 0 )
     call tohtml#GetOption(user_settings,         'use_xhtml', 0 )
@@ -752,7 +755,7 @@ func! tohtml#GetUserSettings() "{{{
 
     " pre_wrap doesn't do anything if not using pre or not using CSS
     if user_settings.no_pre || !user_settings.use_css
-      let user_settings.pre_wrap=0
+      let user_settings.pre_wrap = 0
     endif
     "}}}
 
diff --git a/runtime/autoload/tutor.vim b/runtime/autoload/tutor.vim
index abf5c5e2c8..4da4213826 100644
--- a/runtime/autoload/tutor.vim
+++ b/runtime/autoload/tutor.vim
@@ -104,7 +104,7 @@ function! tutor#CheckLine(line)
     if exists('b:tutor_metadata') && has_key(b:tutor_metadata, 'expect')
         let bufn = bufnr('%')
         let ctext = getline(a:line)
-        let signs = sign_getplaced('.', {'lnum': a:line})[0].signs
+        let signs = sign_getplaced(bufn, {'lnum': a:line})[0].signs
         if !empty(signs)
             call sign_unplace('', {'id': signs[0].id})
         endif
diff --git a/runtime/autoload/zig/fmt.vim b/runtime/autoload/zig/fmt.vim
new file mode 100644
index 0000000000..b78c1994dd
--- /dev/null
+++ b/runtime/autoload/zig/fmt.vim
@@ -0,0 +1,100 @@
+" Adapted from fatih/vim-go: autoload/go/fmt.vim
+"
+" Copyright 2011 The Go Authors. All rights reserved.
+" Use of this source code is governed by a BSD-style
+" license that can be found in the LICENSE file.
+"
+" Upstream: https://github.com/ziglang/zig.vim
+
+function! zig#fmt#Format() abort
+  " Save cursor position and many other things.
+  let view = winsaveview()
+
+  if !executable('zig')
+    echohl Error | echomsg "no zig binary found in PATH" | echohl None
+    return
+  endif
+
+  let cmdline = 'zig fmt --stdin --ast-check'
+  let current_buf = bufnr('')
+
+  " The formatted code is output on stdout, the errors go on stderr.
+  if exists('*systemlist')
+    silent let out = systemlist(cmdline, current_buf)
+  else
+    silent let out = split(system(cmdline, current_buf))
+  endif
+  if len(out) == 1
+    if out[0] == "error: unrecognized parameter: '--ast-check'"
+      let cmdline = 'zig fmt --stdin'
+      if exists('*systemlist')
+        silent let out = systemlist(cmdline, current_buf)
+      else
+        silent let out = split(system(cmdline, current_buf))
+      endif
+    endif
+  endif
+  let err = v:shell_error
+
+
+  if err == 0
+    " remove undo point caused via BufWritePre.
+    try | silent undojoin | catch | endtry
+
+    " Replace the file content with the formatted version.
+    if exists('*deletebufline')
+      call deletebufline(current_buf, len(out), line('$'))
+    else
+      silent execute ':' . len(out) . ',' . line('$') . ' delete _'
+    endif
+    call setline(1, out)
+
+    " No errors detected, close the loclist.
+    call setloclist(0, [], 'r')
+    lclose
+  elseif get(g:, 'zig_fmt_parse_errors', 1)
+    let errors = s:parse_errors(expand('%'), out)
+
+    call setloclist(0, [], 'r', {
+        \ 'title': 'Errors',
+        \ 'items': errors,
+        \ })
+
+    let max_win_height = get(g:, 'zig_fmt_max_window_height', 5)
+    " Prevent the loclist from becoming too long.
+    let win_height = min([max_win_height, len(errors)])
+    " Open the loclist, but only if there's at least one error to show.
+    execute 'silent! lwindow ' . win_height
+  endif
+
+  call winrestview(view)
+
+  if err != 0
+    echohl Error | echomsg "zig fmt returned error" | echohl None
+    return
+  endif
+
+  " Run the syntax highlighter on the updated content and recompute the folds if
+  " needed.
+  syntax sync fromstart
+endfunction
+
+" parse_errors parses the given errors and returns a list of parsed errors
+function! s:parse_errors(filename, lines) abort
+  " list of errors to be put into location list
+  let errors = []
+  for line in a:lines
+    let tokens = matchlist(line, '^\(.\{-}\):\(\d\+\):\(\d\+\)\s*\(.*\)')
+    if !empty(tokens)
+      call add(errors,{
+            \"filename": a:filename,
+            \"lnum":     tokens[2],
+            \"col":      tokens[3],
+            \"text":     tokens[4],
+            \ })
+    endif
+  endfor
+
+  return errors
+endfunction
+" vim: sw=2 ts=2 et