View difference between Paste ID: B773dDm1 and ns8BpJqP

 term.clear()
 term.setCursorPos(1, 1)
 
 local side = nil
 for _, s in pairs(rs.getSides()) do
   if peripheral.getType(s) == "monitor" then
     side = s
   end
 end
 if not side then
   print("You don't have a monitor attached")
   print("  Please add one.")
   error()
 end
 
-m = peripheral.wrap(side)
+mon = peripheral.wrap(side)
 
 local x
 local y
-x, y = m.getSize()
+x, y = mon.getSize()
 local page = 1
 m = peripheral.wrap("right")
 
 local things = {""}
 
 function saveAll()
   local file = fs.open("tasks", "w")
   file.write(textutils.serialize(things))
   file.close()
 end
 
 function loadAll()
   local file = fs.open("tasks", "r")
   local data = file.readAll()
   file.close()
   data = textutils.unserialize(data)
   for i = 1, #data do
     things[i] = data[i]
   end
 end
 
 function mainLoop()
   loadAll()
-  m.clear()
+  mon.clear()
   printTop()
   for i = 1, y-2 do
     printLine(i)
   end
   printButtons()
   term.clear()
   term.setCursorPos(1, 1)
   term.setTextColor(colors.white)
   print("Do you want to delete or add a task?")
   term.setTextColor(colors.lime)
   term.write("  Add")
   term.setTextColor(colors.red)
   print("       Delete")
   term.setTextColor(colors.white)
 
   event, a, b, c = os.pullEvent()
   if event == "mouse_click" then
     if c == 2 then
       if (b == 3) or (b == 4) or (b == 5) then
         print("")
         print("What task do you want to add?")
         task = read()
         things[#things+1] = task
         saveAll()
         sleep(0.2)
         print("Task added!")
         sleep(0.5)
       elseif (c == 12) or (b >= 13) or (b <= 18) then
         print("")
         print("Which task do you want to delete? (Number)")
         task = read()
         print("Are you sure? (y/n)")
         answ = read()
         if (answ == "y") or (answ == "Y") then
           print("Deleting task " ..task)
           for i = task, #things - 1 do
             things[i] = things[i+1]
           end
           things[#things] = nil
           saveAll()
           sleep(0.2)
           print("Task deleted!")
           sleep(0.5)
         end
       end
     end
   end
 
   if event == "monitor_touch" then
     if c == y then
       if (b == 2) or (b == 3) or (b == 4) or (b ==5) then
         if page > 1 then
           page = page-1
         end
       elseif (b == x-4) or (b == x-3) or (b == x-2) or (b == x-1) then
         page = page+1
       end
     end
   end
   mainLoop()
 end
 
 
 function printButtons()
-  m.setCursorPos(2, y)
+  mon.setCursorPos(2, y)
   if page == 1 then
-    m.setTextColor(colors.lightGray)
+    mon.setTextColor(colors.lightGray)
   else
-    m.setTextColor(colors.black)
+    mon.setTextColor(colors.black)
   end
-  m.setBackgroundColor(colors.white)
+  mon.setBackgroundColor(colors.white)
-  m.write("Back")
+  mon.write("Back")
 
-  m.setTextColor(colors.black)
+  mon.setTextColor(colors.black)
-  m.setCursorPos(x/2, y)
+  mon.setCursorPos(x/2, y)
-  m.write("" ..page)
+  mon.write("" ..page)
-  m.setCursorPos(x-4, y)
+  mon.setCursorPos(x-4, y)
-  m.write("Next")
+  mon.write("Next")
 end
 
 function printTop()
-  m.setBackgroundColor(colors.white)
+  mon.setBackgroundColor(colors.white)
-  m.setTextColor(colors.black)
+  mon.setTextColor(colors.black)
-  m.setCursorPos(x/2-5, 1)
+  mon.setCursorPos(x/2-5, 1)
-  m.write("Todo List.")
+  mon.write("To-Do List")
 end
 
 function printLine(num)
   if num % 2 == 0 then
-    m.setBackgroundColor(colors.gray)
+    mon.setBackgroundColor(colors.gray)
   else
-    m.setBackgroundColor(colors.lightGray)
+    mon.setBackgroundColor(colors.lightGray)
   end
-  m.setCursorPos(1, num+1)
+  mon.setCursorPos(1, num+1)
   if page > 1 then
     num = num+(x*(page-1))
   end
-  m.write("" ..num)
+  mon.write("" ..num)
-  m.write(": ")
+  mon.write(": ")
 
   if things[num] ~= nil then
-    m.write("" ..things[num])
+    mon.write("" ..things[num])
-    m.write("                                                                                           ")
+    mon.write("                                                                                           ")
   else
-    m.write("                                                                                           ")
+    mon.write("                                                                                           ")
   end
 end
 
 mainLoop()