--[[ SDcat Module to check whether local short description matches that on Wikidata --]]  local p = {}  ------------------------------------------------------------------------------- --[[ setCat has the qid of a Wikidata entity passed as |qid= (it defaults to the associated qid of the current article if omitted) and the local short description passed as |sd= It returns a category if there is an associated Wikidata entity. It returns one of the following tracking categories, as appropriate: * Category:Short description matches Wikidata (case-insensitive) * Category:Short description is different from Wikidata * Category:Short description with empty Wikidata description For testing purposes, a link prefix |lp= may be set to ":" to make the categories visible. --]]  -- function exported for use in other modules -- (local short description, Wikidata entity-ID, link prefix) p._setCat = function(sdesc, itemID, lp)  if not mw.wikibase then return nil end  if itemID == "" then itemID = nil end  -- Wikidata description field  local wdesc = (mw.wikibase.getDescription(itemID) or ""):lower()  if wdesc == "" then  return "[[" .. lp .. "หมวดหมู่:หน้าที่มี short description ที่ไม่มี description ในวิกิสนเทศ]]"  elseif wdesc == sdesc then  return "[[" .. lp .. "หมวดหมู่:หน้าที่มี short description ตรงกับในวิกิสนเทศ]]"  else  return "[[" .. lp .. "หมวดหมู่:หน้าที่มี short description แตกต่างกับในวิกิสนเทศ]]"  end end  -- function exported for call from #invoke p.setCat = function(frame)  local args  if frame.args.sd then  args = frame.args  else  args = frame:getParent().args  end  -- local short description  local sdesc = mw.text.trim(args.sd or ""):lower()  -- Wikidata entity-ID  local itemID = mw.text.trim(args.qid or "")  -- link prefix, strip quotes  local lp = mw.text.trim(args.lp or ""):gsub('"', '')  return p._setCat(sdesc, itemID, lp) end  return p