{var n,s=d({},e);for(n in t)l(t,n)&&(i(e[n])&&i(t[n])?(s[n]={},d(s[n],e[n]),d(s[n],t[n])):null!=t[n]?s[n]=t[n]:delete s[n]);for(n in e)l(e,n)&&!l(t,n)&&i(e[n])&&(s[n]=d({},s[n]));return s}function b(e){null!=e&&this.set(e)}function P(e,t,n){var s=this._calendar[e]||this._calendar.sameElse;return O(s)?s.call(t,n):s}function W(e){var t=this._longDateFormat[e],n=this._longDateFormat[e.toUpperCase()];return t||!n?t:(this._longDateFormat[e]=n.replace(/MMMM|MM|DD|dddd/g,function(e){return e.slice(1)}),this._longD