Here is translated in English:
myOption_BuildMenu{
setmenu("&Edit",popup,"Undo Closed Tabs",-1);
setmenu( "Undo Closed Tabs","macro","Previously Closed Tabs:","_myOption(dummy)");
setmenu( "Undo Closed Tabs",separator,-1);
...
setmenu( "Undo Closed Tabs" , macro , $data , "_myOption(".$data.
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General