get("#349") -- table functions

-- an example text (taken from #523)

text = [[
get("#515") -- splitLines
text = getSnippet("#2000025")
lines = splitLines(text)
header = lines[1]:gsub(" +", " "):gsub("^ ", ""):gsub(" $", "")
print(header)
]]

function findReferences(text)
  refs = {}
  for word in text:gmatch("#%d+") do
    refs[word] = true
  end
  return keystolist(refs)
end

refs = findReferences(text)
table.sort(refs)
s = table.concat(refs, " ")
print(s)
assert(s == "#2000025 #515")

return true