end
end
function Text.populate_link_offsets(State, line_index)
  local line = State.lines[line_index]
  if line.mode ~= 'text' then return end
  local line_cache = State.line_cache[line_index]
  if line_cache.link_offsets then
    return
  end
  line_cache.link_offsets = {}
  local pos = 1
  -- try to wrap at word boundaries
  local s, e = 1, 0
  while s <= #line.data do
    s, e = line.data:find('%w+', s)
    if s == nil then break end
    local word = line.data:sub(s, e)
    if file_exists(word) then
--?       print('filename:', s, e, word)
      table.insert(line_cache.link_offsets, {s, e, word})
    end
    s = e + 1

  return true

  return true

  t.window.usedpiscale = false