initialize_item = function(top, left, right, filename)
	local font = love.graphics.getFont()
	local result = edit.initialize_state(top, left, right, font:getHeight(), font:getHeight()*font:getLineHeight())
	result.id = filename
	result.filename = full_path(filename)
	result.editable = false
	result.replies = {}

initialize_item = function(filename, depth)
	local result = {filename=full_path(filename)}

	Text.redraw_all(result)

	-- massage schema slightly; this isn't an editor state
	result.data = result.lines
	result.lines = nil
	-- more fields
	result.depth = depth
	result.metadata = load_metadata(filename)

load_subtree = function(filename, left, em_width)

load_subtree = function(filename, out, depth)

	local item = initialize_item(0, left, left+40*em_width, filename)
	local replies = load_metadata(filename).replies
	for i,reply_id in ipairs(replies) do
		local reply = load_subtree(reply_id, left+2*em_width, em_width)
		table.insert(item.replies, reply)

	local item = initialize_item(filename)
	table.insert(out, item)
	for i,reply_id in ipairs(item.metadata.replies) do
		local reply = load_subtree(reply_id, out, depth+1)

	local font = love.graphics.getFont()
	local em_width = font:getWidth('m')
	Global_state.root = load_subtree(filename, Margin_left, em_width)
	Global_state.root.top = Menu_bar_height + Margin_top
	-- HERE: Cursor_node needs to be set at the Surface level of abstraction
	--Cursor_node = Global_state.root
	love.window.setTitle('pothi.love - '..Global_state.root.id)

	Global_state.items = {}
	load_subtree(filename, Global_state.items)
	love.window.setTitle('pothi.love - '..filename)

	if Global_state.root then
		edit.update_font_settings(Global_state, n)

	if Global_state.items then
		for _,item in ipairs(Global_state.items) do
			edit.update_font_settings(item, n)
		end

end

end

	if Global_state.root == nil then

	if Global_state.items == nil then

	if Global_state.root then

	if Global_state.items then