local p = {}

local horizontal = require('Module:List').horizontal



local function make_TOC_item_linked(anchor, text)

	text = text or anchor

--	if (frame.args.auto == "")

	return ("[[#%s|%s]]"):format(anchor, text)

end

local function make_TOC_item_unlinked(anchor, text)

	text = text or anchor

	return ("%s"):format(anchor, text)

end

local Array_mt = { __index = table }

local function Array()

	return setmetatable({}, Array_mt)

end



function p.make_TOC(frame)

	local content = mw.title.getCurrentTitle():getContent()

	

	if not content then

		error "The current page has no content"

	end

	

	local letters = Array()

	-- Find uppermost headers containing a single ASCII letter.

	if frame.args.auto:upper() == "LINK" then -- If we wanted them linked, do that

		for letter in content:gmatch "%f[^\n]==%s*(%a)%s*==%f[^=]" do

		letter = letter:upper()

		letters:insert(make_TOC_item_linked(letter))

		end

	else -- f we do not want them linked, don't

		for letter in content:gmatch "%f[^\n]==%s*(%a)%s*==%f[^=]" do

		letter = letter:upper()

		letters:insert(make_TOC_item_unlinked(letter))

		end

	end

	

	

	return   horizontal(letters) .. horizontal(rest) 

end



return p