monnetproject/lemon.api — pull request #1 by miniaturelle (2014-04-01 11:52:24+00:00)
Title: Component can have Argument as Element 

According to the lemon cookbook a Component can have either LexicalEntry or Argument as its element. To enable this I introduced a supertype for Argument and LexicalEntry called LeafElement and modified Component to accommodate this new supertype.