fixed bug where onmouseover wasn't being called for data belonging to

the same series.

src/interaction.js

@@ -290,11 +290,9 @@ c3_chart_internal_fn.generateEventRectsForMultipleXs = function (eventRectEnter)
             // Show cursor as pointer if point is close to mouse position
             if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < config.point_sensitivity) {
                 $$.svg.select('.' + CLASS.eventRect).style('cursor', 'pointer');
-                if (!$$.mouseover) {
                 config.data_onmouseover.call($$.api, closest);
                 $$.mouseover = closest;
             }
-            }
         })
         .on('click', function () {
             var targetsToShow = $$.filterTargetsToShow($$.data.targets);