-- THIS IS AN EXPERIMENTAL MODULE -- @author RLuts  local p = {}  --Return links to wikipedia and commons category function p.links(frame)         local lang = 'uk'         if mw.title.getCurrentTitle().exists then         	local content = string.lower(mw.title.getCurrentTitle():getContent())         	local hasWikiLink, hasCommLink                  	if string.find(content, "%[%[wikipedia:.*]]") or string.find(content, "{{[Ff]ooter%s*|.*wikipedia%s*=.+}}") then             	hasWikiLink = true         	end                  	if string.find(content, "%[%[commons:.*]]") or string.find(content, "{{[Ff]ooter%s*|.*commons%s*=.+}}") then             	hasComLink = true         	end                  	entity = mw.wikibase.getEntityObject()         	if not entity then             	return nil         	end         	if (entity.sitelinks[lang .. "wiki"] and not hasWikiLink) then             	wlinks = "[[wikipedia:" .. lang .. ":" .. entity.sitelinks[lang .. "wiki"].title .. "]]\n"         	end           	if (entity.claims and entity.claims.P373 and not hasComLink and wlinks) then             	wlinks = wlinks .. "[[commons:Category:" .. entity.claims.P373[1].mainsnak.datavalue.value .. "]]"         	elseif (entity.claims and entity.claims.P373 and not hasComLink and not wlinks) then         		wlinks = "[[commons:Category:" .. entity.claims.P373[1].mainsnak.datavalue.value .. "]]"         	end           	return wlinks 	    else 	    	return nil 	    end     		 end   return p