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 | local p = {}  |  | local p = {}  | 
 | 
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 | function tprint (tbl, indent)
  |  | 
 |   if not indent then indent = 0 end
  |  | 
 |   local toprint = string.rep(" ", indent) .. "{\r\n"
  |  | 
 |   indent = indent + 2 
  |  | 
 |   for k, v in pairs(tbl) do
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 |     toprint = toprint .. string.rep(" ", indent)
  |  | 
 |     if (type(k) == "number") then
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 |       toprint = toprint .. "[" .. k .. "] = "
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 |     elseif (type(k) == "string") then
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 |       toprint = toprint  .. k ..  "= "   
  |  | 
 |     end
  |  | 
 |     if (type(v) == "number") then
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 |       toprint = toprint .. v .. ",\r\n"
  |  | 
 |     elseif (type(v) == "string") then
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 |       toprint = toprint .. "\"" .. v .. "\",\r\n"
  |  | 
 |     elseif (type(v) == "table") then
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 |       toprint = toprint .. tprint(v, indent + 2) .. ",\r\n"
  |  | 
 |     else
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 |       toprint = toprint .. "\"" .. tostring(v) .. "\",\r\n"
  |  | 
 |     end
  |  | 
 |   end
  |  | 
 |   toprint = toprint .. string.rep(" ", indent-2) .. "}"
  |  | 
 |   return toprint
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 | end
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 | 
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  | 
 | function p.main(frame)  |  | function p.main(frame)  | 
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 |    local ret = mw.visualdata.query( 'Book', '[[title::+]]', {'title'}, {} )  |  |    local ret = mw.visualdata.query( 'Book', '[[title::+]]', {'title'}, {} )  | 
 | 
  |  | 
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 |    return print(tprint(ret))  |  |    return mw.text.jsonEncode(ret)  | 
 | end  |  | end  | 
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Documentation for this module may be created at Module:TestLua/doc
local p = {}
function p.main(frame)
  -- local args = frame:getParent().args
  local ret = mw.visualdata.query( 'Book', '[[title::+]]', {'title'}, {} )
  return mw.text.jsonEncode(ret)
end
return p
-- =p.main({"add\ndfdd","b","c","text"})