rem:  if ( !dialog.strings[ stringId ] ) {  var elem = document.getElementById( "dialog.strings."+stringId ); if ( elem 
add:  if ( !( stringId in dialog.strings ) ) {  var elem = document.getElementById( "dialog.strings."+stringId ); if ( elem 
context: function getString( stringId ) {   // Check if we've fetched this string already.   if ( !dialog.strings[ stringId ] ) {      // Try to get it.      var elem = document.getElementById( "dialog.strings."+stringId );      if ( elem           &&           elem.childNodes           &&           elem.childNodes[0]           &&           elem.childNodes[0].nodeValue ) {         dialog.strings[ stringId ] = elem.childNodes[0].nodeValue;      } else {         // If unable to fetch string, use an empty string.         dialog.strings[ stringId ] = "";      }   }   return dialog.strings[ stringId ];}
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