get("#137") -- split

text = getSnippet("#2000013")

lines = split(text, "\n")
byline = {}
n = 0
for _, l in ipairs(lines) do
  _, _, x, ann = l:find("^line ([^:]+): +(.*)")
  if x == nil then
    print("Warning: ignoring line. "..l)
  else
    a, b = unpack(split(x, "\-"))
    if b == nil then b = a end
    for y = tonumber(a), tonumber(b) do
      byline[y] = ann
    end
    n = math.max(n, tonumber(b))
  end
end

for i=1, n do
  print(byline[i] or '')
end

e.g. for #2000013