text:     // Copyright: 2013 PMSI-AlignAlytics
      // License: "https://github.com/PMSI-AlignAlytics/dimple/blob/master/MIT-LICENSE.txt"
      // Source: /src/methods/_parseXPosition.js
      dimple._parseXPosition = function (value, parent) {
          var returnValue = 0,
              values = value.toString().split(",");
          values.forEach(function (v) {
              if (v !== undefined && v !== null) {
                  if (!isNaN(v)) {
                      returnValue += parseFloat(v);
                  } else if (v.slice(-1) === "%") {
                      returnValue += dimple._parentWidth(parent) * (parseFloat(v.slice(0, v.length - 1)) / 100);
                  } else if (v.slice(-2) === "px") {
                      returnValue += parseFloat(v.slice(0, v.length - 2));
                  } else {
                      returnValue = value;
                  }
              }
          }, this);
          return returnValue;
      };
  