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diff --git a/data/List.lua b/data/List.lua
deleted file mode 100644
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--- a/data/List.lua
+++ /dev/null
@@ -1,120 +0,0 @@
---[[
-List.lua
-
-Copyright © 2017 Albert Krewinkel
-
-Permission to use, copy, modify, and/or distribute this software for any purpose
-with or without fee is hereby granted, provided that the above copyright notice
-and this permission notice appear in all copies.
-
-THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
-REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
-FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
-INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
-OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
-TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
-THIS SOFTWARE.
-]]
-
---- Pandoc's List type and helper methods
--- @classmod pandoc.List
--- @author Albert Krewinkel
--- @copyright © 2017 Albert Krewinkel
--- @license MIT
-local List = {
-  _VERSION = "0.1.0"
-}
-
-function List:new (o)
-  o = o or {}
-  setmetatable(o, self)
-  self.__index = self
-  return o
-end
-
-function List:__call (o)
-  return self:new(o)
-end
-
---- Concatenates two lists.
--- @param list second list concatenated to the first
--- @return a new list containing all elements from list1 and list2
-function List:__concat (list)
-  local res = List.clone(self)
-  List.extend(res, list)
-  return res
-end
-
---- Returns a (shallow) copy of the list.
-function List:clone ()
-  local lst = setmetatable({}, getmetatable(self))
-  List.extend(lst, self)
-  return lst
-end
-
---- Checks if the list has an item equal to the given needle.
--- @param needle item to search for
--- @param init index at which the search is started
--- @return true if a list item is equal to the needle, false otherwise
-function List:includes (needle, init)
-  return not (List.find(self, needle, init) == nil)
-end
-
---- Returns the value and index of the first occurrence of the given item.
--- @param needle item to search for
--- @param init index at which the search is started
--- @return first item equal to the needle, or nil if no such item exists.
--- @return index of that element
-function List:find (needle, init)
-  return List.find_if(self, function(x) return x == needle end, init)
-end
-
---- Returns the value and index of the first element for which the predicate
---- holds true.
--- @param pred the predicate function
--- @param init index at which the search is started
--- @return first item for which `test` succeeds, or nil if no such item exists.
--- @return index of that element
-function List:find_if (pred, init)
-  init = (init == nil and 1) or (init < 0 and #self - init) or init
-  for i = init, #self do
-    if pred(self[i], i) then
-      return self[i], i
-    end
-  end
-  return nil
-end
-
---- Adds the given list to the end of this list.
--- @param list list to appended
-function List:extend (list)
-  for i = 1, #list do
-    self[#self + 1] = list[i]
-  end
-end
-
---- Returns a copy of the current list by applying the given function to all
--- elements.
--- @param fn function which is applied to all list items.
-function List:map (fn)
-  local res = setmetatable({}, getmetatable(self))
-  for i = 1, #self do
-    res[i] = fn(self[i], i)
-  end
-  return res
-end
-
---- Returns a new list containing all items satisfying a given condition.
--- @param pred condition items must satisfy.
--- @return a new list containing all items for which `test` was true.
-function List:filter (pred)
-  local res = setmetatable({}, getmetatable(self))
-  for i = 1, #self do
-    if pred(self[i], i) then
-      res[#res + 1] = self[i]
-    end
-  end
-  return res
-end
-
-return List