diff --git a/chesstv.tlv b/chesstv.tlv
index 1e11d31..b13c1b1 100644
--- a/chesstv.tlv
+++ b/chesstv.tlv
@@ -1,11 +1,11 @@
 teliva_program = {
-  window = [==[
+    window = [==[
 window = curses.stdscr()
 -- animation-based app
 window:nodelay(true)
 lines, cols = window:getmaxyx()]==],
-  current_game = [==[current_game = {}]==],
-  piece_glyph = [==[
+    current_game = [==[current_game = {}]==],
+    piece_glyph = [==[
 piece_glyph = {
   -- for legibility, white pieces also use unicode glyphs for black pieces
   -- we rely on colors to distinguish them
@@ -22,27 +22,27 @@ piece_glyph = {
   n = 0x265e,
   p = 0x265f,
 }]==],
-  top_player = [==[
+    top_player = [==[
 function top_player(current_game)
   if current_game.players[1].color == "black" then
     return current_game.players[1]
   end
   return current_game.players[2]
 end]==],
-  bottom_player = [==[
+    bottom_player = [==[
 function bottom_player(current_game)
   if current_game.players[1].color == "white" then
     return current_game.players[1]
   end
   return current_game.players[2]
 end]==],
-  render_player = [==[
+    render_player = [==[
 function render_player(y, x, player)
   curses.mvaddstr(y, x, player.user.name)
   curses.addstr(" · ")
   curses.addstr(tostring(player.rating))
 end]==],
-  render_square = [==[
+    render_square = [==[
 function render_square(current_game, rank, file, highlighted_squares)
   -- decide whether to highlight
   local hl = 0
@@ -62,7 +62,7 @@ function render_square(current_game, rank, file, highlighted_squares)
   curses.mvaddstr((8 - rank + 1)*3+2, file*5, "     ")
   curses.attrset(curses.A_NORMAL)
 end]==],
-  render_fen_rank = [==[
+    render_fen_rank = [==[
 function render_fen_rank(rank, fen_rank, highlighted_squares)
   local file = 1
   for x in fen_rank:gmatch(".") do
@@ -98,13 +98,13 @@ function render_fen_rank(rank, fen_rank, highlighted_squares)
     end
   end
 end]==],
-  render_time = [==[
+    render_time = [==[
 function render_time(y, x, seconds)
   if seconds == nil then return end
   curses.mvaddstr(y, x, tostring(math.floor(seconds/60)))
   curses.addstr(string.format(":%02d", seconds%60))
 end]==],
-  render_board = [==[
+    render_board = [==[
 function render_board(current_game)
 --?   curses.mvaddstr(1, 50, dump(current_game.fen))
 --?   curses.mvaddstr(6, 50, dump(current_game.previously_moved_squares))
@@ -119,7 +119,7 @@ function render_board(current_game)
   render_player(27, 5, bottom_player(current_game))
   render_time(27, 35, current_game.wc)
 end]==],
-  parse_lm = [==[
+    parse_lm = [==[
 function parse_lm(move)
 --?   curses.mvaddstr(4, 50, move)
   local file1 = string.byte(move:sub(1, 1)) - 96  -- 'a'-1
@@ -129,7 +129,7 @@ function parse_lm(move)
 --?   curses.mvaddstr(5, 50, dump({{rank1, file1}, {rank2, file2}}))
   return {from={rank=rank1, file=file1}, to={rank=rank2, file=file2}}
 end]==],
-  render = [==[
+    render = [==[
 function render(chunk)
   local o = json.decode(chunk)
   if o.t == "featured" then
@@ -149,7 +149,7 @@ function render(chunk)
   render_board(current_game)
   curses.refresh()
 end]==],
-  init_colors = [==[
+    init_colors = [==[
 function init_colors()
   -- colors
   local light_piece = 1
@@ -168,7 +168,7 @@ function init_colors()
   curses.init_pair(7, light_piece, dark_last_moved_square)
   curses.init_pair(8, dark_piece, dark_last_moved_square)
 end]==],
-  main = [==[
+    main = [==[
 function main()
   init_colors()
   local request = {
@@ -184,7 +184,7 @@ function main()
   }
   http.request(request)
 end]==],
-  utf8 = [==[
+    utf8 = [==[
 -- https://stackoverflow.com/questions/7983574/how-to-write-a-unicode-symbol-in-lua
 function utf8(decimal)
   local bytemarkers = { {0x7FF,192}, {0xFFFF,224}, {0x1FFFFF,240} }
@@ -203,7 +203,7 @@ function utf8(decimal)
   end
   return table.concat(charbytes)
 end]==],
-  split = [==[
+    split = [==[
 function split(s, pat)
   result = {}
   for x in s:gmatch(pat) do
@@ -211,7 +211,7 @@ function split(s, pat)
   end
   return result
 end]==],
-  dump = [==[
+    dump = [==[
 -- https://stackoverflow.com/questions/9168058/how-to-dump-a-table-to-console
 function dump(o)
   if type(o) == 'table' then
diff --git a/counter.tlv b/counter.tlv
index 50e5194..d8b396f 100644
--- a/counter.tlv
+++ b/counter.tlv
@@ -1,7 +1,7 @@
 teliva_program = {
-  window = [==[window = curses.stdscr()]==],
-  n = [==[n = 0]==],
-  render = [==[
+    window = [==[window = curses.stdscr()]==],
+    n = [==[n = 0]==],
+    render = [==[
 function render(window)
   window:clear()
   window:attron(curses.A_BOLD)
@@ -12,15 +12,15 @@ function render(window)
   window:attroff(curses.A_BOLD)
   curses.refresh()
 end]==],
-  menu = [==[menu = {Enter="increment"}]==],
-  update = [==[
+    menu = [==[menu = {Enter="increment"}]==],
+    update = [==[
 function update(window)
   local key = curses.getch()
   if key == 10 then
     n = n+1
   end
 end]==],
-  main = [==[
+    main = [==[
 function main()
   for i=1,7 do
     curses.init_pair(i, 0, i)
diff --git a/hanoi.tlv b/hanoi.tlv
index 502941d..b08b200 100644
--- a/hanoi.tlv
+++ b/hanoi.tlv
@@ -1,5 +1,5 @@
 teliva_program = {
-  render = [==[
+    render = [==[
 function render(window)
   window:clear()
   local lines, cols = window:getmaxyx()
@@ -10,17 +10,17 @@ function render(window)
   end
   curses.refresh()
 end]==],
-  lines = [==[
+    lines = [==[
 function lines(window)
   local lines, cols = window:getmaxyx()
   return lines
 end]==],
-  pop = [==[
+    pop = [==[
 function pop(array)
   return table.remove(array)
 end]==],
-  window = [==[window = curses.stdscr()]==],
-  render_tower = [==[
+    window = [==[window = curses.stdscr()]==],
+    render_tower = [==[
 function render_tower(window, line, col, tower_index, tower)
   window:attron(curses.A_BOLD)
   window:mvaddch(line+2, col, string.char(96+tower_index))
@@ -39,8 +39,8 @@ function render_tower(window, line, col, tower_index, tower)
     line = line - 1
   end
 end]==],
-  tower = [==[tower = {{6, 5, 4, 3, 2}, {}, {}}]==],
-  render_disk = [==[
+    tower = [==[tower = {{6, 5, 4, 3, 2}, {}, {}}]==],
+    render_disk = [==[
 function render_disk(window, line, col, size)
   col = col-size+1
   for i=1,size do
@@ -50,7 +50,7 @@ function render_disk(window, line, col, size)
     col = col+2
   end
 end]==],
-  main = [==[
+    main = [==[
 function main()
   for i=1,7 do
     curses.init_pair(i, 0, i)
@@ -62,7 +62,7 @@ function main()
   end
 end
 ]==],
-  len = [==[
+    len = [==[
 function len(array)
   local result = 0
   for k in pairs(array) do
@@ -70,7 +70,7 @@ function len(array)
   end
   return result
 end]==],
-  update = [==[
+    update = [==[
 function update(window)
   window:mvaddstr(lines(window)-2, 5, "tower to remove top disk from? ")
   local from = curses.getch() - 96
@@ -78,12 +78,12 @@ function update(window)
   local to = curses.getch() - 96
   make_move(from, to)
 end]==],
-  make_move = [==[
+    make_move = [==[
 function make_move(from, to)
   local disk = pop(tower[from])
   table.insert(tower[to], disk)
 end]==],
-  cols = [==[
+    cols = [==[
 function cols(window)
   local lines, cols = window:getmaxyx()
   return cols
diff --git a/life.tlv b/life.tlv
index f53e19c..8a3f9d4 100644
--- a/life.tlv
+++ b/life.tlv
@@ -1,10 +1,10 @@
 teliva_program = {
-  window = [==[
+    window = [==[
 window = curses.stdscr()
 -- animation-based app
 window:nodelay(true)
 lines, cols = window:getmaxyx()]==],
-  grid = [==[
+    grid = [==[
 -- main data structure
 grid = {}
 for i=1,lines*4 do
@@ -14,7 +14,7 @@ for i=1,lines*4 do
   end
 end
 ]==],
-  grid_char = [==[
+    grid_char = [==[
 -- grab a 4x2 chunk of grid
 function grid_char(line, col)
   result = {}
@@ -23,7 +23,7 @@ function grid_char(line, col)
   end
   return result
 end]==],
-  print_grid_char = [==[
+    print_grid_char = [==[
 function print_grid_char(window, x)
   result = {}
   for l, row in ipairs(x) do
@@ -33,7 +33,7 @@ function print_grid_char(window, x)
   end
   return result
 end]==],
-  glyph = [==[
+    glyph = [==[
 -- look up the braille pattern corresponding to a 4x2 chunk of grid
 -- https://en.wikipedia.org/wiki/Braille_Patterns
 -- not obviously programmatic because Unicode added 4x2 after 3x2
@@ -56,7 +56,7 @@ glyph = {
   0x28b0, 0x28b1, 0x28b2, 0x28b3, 0x28b4, 0x28b5, 0x28b6, 0x28b7,   0x28f0, 0x28f1, 0x28f2, 0x28f3, 0x28f4, 0x28f5, 0x28f6, 0x28f7,
   0x28b8, 0x28b9, 0x28ba, 0x28bb, 0x28bc, 0x28bd, 0x28be, 0x28bf,   0x28f8, 0x28f9, 0x28fa, 0x28fb, 0x28fc, 0x28fd, 0x28fe, 0x28ff,
 }]==],
-  utf8 = [==[
+    utf8 = [==[
 -- https://stackoverflow.com/questions/7983574/how-to-write-a-unicode-symbol-in-lua
 function utf8(decimal)
   local bytemarkers = { {0x7FF,192}, {0xFFFF,224}, {0x1FFFFF,240} }
@@ -75,14 +75,14 @@ function utf8(decimal)
   end
   return table.concat(charbytes)
 end]==],
-  grid_char_to_glyph_index = [==[
+    grid_char_to_glyph_index = [==[
 -- convert a chunk of grid into a number
 function grid_char_to_glyph_index(g)
   return g[1][1]    + g[2][1]*2  + g[3][1]*4  + g[4][1]*8 +
          g[1][2]*16 + g[2][2]*32 + g[3][2]*64 + g[4][2]*128 +
          1  -- 1-indexing
 end]==],
-  render = [==[
+    render = [==[
 function render(window)
   window:clear()
   for line=1,lines do
@@ -93,20 +93,20 @@ function render(window)
   curses.refresh()
 end
 ]==],
-  state = [==[
+    state = [==[
 function state(line, col)
   if line < 1 or line > table.getn(grid) or col < 1 or col > table.getn(grid[1]) then
     return 0
   end
   return grid[line][col]
 end]==],
-  num_live_neighbors = [==[
+    num_live_neighbors = [==[
 function num_live_neighbors(line, col)
   return state(line-1, col-1) + state(line-1, col) + state(line-1, col+1) +
          state(line,   col-1) +                      state(line,   col+1) +
          state(line+1, col-1) + state(line+1, col) + state(line+1, col+1)
 end]==],
-  step = [==[
+    step = [==[
 function step()
   local new_grid = {}
   for line=1,table.getn(grid) do
@@ -124,13 +124,13 @@ function step()
   end
   grid = new_grid
 end]==],
-  sleep = [==[
+    sleep = [==[
 function sleep(a)
     local sec = tonumber(os.clock() + a);
     while (os.clock() < sec) do
     end
 end]==],
-  file_exists = [==[
+    file_exists = [==[
 function file_exists(filename)
   local f = io.open(filename, "r")
   if f ~= nil then
@@ -140,7 +140,7 @@ function file_exists(filename)
     return false
   end
 end]==],
-  load_file = [==[
+    load_file = [==[
 function load_file(window, filename)
   io.input(filename)
   local line_index = lines
@@ -160,7 +160,7 @@ function load_file(window, filename)
     end
   end
 end]==],
-  update = [==[
+    update = [==[
 menu = {arrow="pan"}
 
 function update(window, c)
@@ -198,7 +198,7 @@ function update(window, c)
     end
   end
 end]==],
-  main = [==[
+    main = [==[
 function main()
   for i=1,7 do
     curses.init_pair(i, i, -1)