- addElement('changelog', app['Changelog'], doc, apel)
- addElement('donate', app['Donate'], doc, apel)
- addElement('bitcoin', app['Bitcoin'], doc, apel)
- addElement('litecoin', app['Litecoin'], doc, apel)
- addElement('dogecoin', app['Dogecoin'], doc, apel)
- addElement('flattr', app['FlattrID'], doc, apel)
+ addElementNonEmpty('changelog', app['Changelog'], doc, apel)
+ addElementNonEmpty('donate', app['Donate'], doc, apel)
+ addElementNonEmpty('bitcoin', app['Bitcoin'], doc, apel)
+ addElementNonEmpty('litecoin', app['Litecoin'], doc, apel)
+ addElementNonEmpty('dogecoin', app['Dogecoin'], doc, apel)
+ addElementNonEmpty('flattr', app['FlattrID'], doc, apel)