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!function(doc){var addEvent='addEventListener',type='gesturestart',qsa='querySelectorAll',scales=[1,1],meta=qsa in doc?doc[qsa]('meta[name=viewport]'):[];function fix(){meta.content='width=device-width,minimum-scale='+scales[0]+',maximum-scale='+scales[1];doc.removeEventListener(type,fix,!0);}
if((meta=meta[meta.length-1])&&addEvent in doc){fix();scales=[.25,1.6];doc[addEvent](type,fix,!0);}}(document);
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