clean up emphasis handling
clean up emphasis handling

There is no need to define the same emphasis for words and for phrases
and then define the phrases to be one word long. It's simpler to just
use begemph.

vsmontalvao/liblouis,IndexBraille/liblouis,BueVest/liblouis,hammera/liblouis,vsmontalvao/liblouis,BueVest/liblouis,IndexBraille/liblouis,IndexBraille/liblouis,liblouis/liblouis,BueVest/liblouis,IndexBraille/liblouis,liblouis/liblouis,hammera/liblouis,IndexBraille/liblouis,vsmontalvao/liblouis,BueVest/liblouis,vsmontalvao/liblouis,hammera/liblouis,BueVest/liblouis,liblouis/liblouis,hammera/liblouis,liblouis/liblouis,vsmontalvao/liblouis,liblouis/liblouis,BueVest/liblouis,hammera/liblouis,liblouis/liblouis,hammera/liblouis