ipairs refactoring

core/history.lua

@@ -97,10 +97,10 @@ end
 function weighted_median(list)
 	sort(list, function(a,b) return a.value < b.value end)
 	local weight = 0
-	for _, element in ipairs(list) do
-		weight = weight + element.weight
+	for i = 1, getn(list) do
+		weight = weight + list[i].weight
 		if weight >= .5 then
-			return element.value
+			return list[i].value
 		end
 	end
 end

core/tooltip.lua

@@ -73,7 +73,8 @@ function extend_tooltip(tooltip, link, quantity)
             if aux_tooltip_disenchant_distribution then
                 tooltip:AddLine('Disenchants into:', color.tooltip.disenchant.distribution())
                 sort(distribution, function(a,b) return a.probability > b.probability end)
-                for _, event in ipairs(distribution) do
+                for i = 1, getn(distribution) do
+	                local event = distribution[i]
                     tooltip:AddLine(format('  %s%% %s (%s-%s)', event.probability * 100, info.display_name(event.item_id, true) or 'item:' .. event.item_id, event.min_quantity, event.max_quantity), color.tooltip.disenchant.distribution())
                 end
             end