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// ==UserScript==
// @name           hide [download] links for class embed-code-dl 
...
    }
}
toggleDisplay("div","embed-code-dl");

<a href="javascript:(function()%7B%20%20function%20toggleDisplay(t,c)%
+7Bvar%20e=document.getElementsByTagName(t);for(var%20i=0;i%3Ce.length
+;i++)%7Bif(c)%7Bif(e%5Bi%5D.className==c)%7Be%5Bi%5D.style.display=e%
+5Bi%5D.style.display==%22none%22?%22inherit%22:%22none%22;%7D%7Delse%
+7Be%5Bi%5D.style.display=e%5Bi%5D.style.display==%22none%22?%22inheri
+t%22:%22none%22;%7D%7D%7DtoggleDisplay(%22div%22,%22embed-code-dl%22)
+;%20%20%7D)()">togDisDL</a>