xml2guido: Reverting back to the use of enclosing \beam() tag instead of \beamBegin:X and \beamEnd:X tags as it has a better performance in latest Guido
xml2guido: Reverting back to the use of enclosing \beam() tag instead of \beamBegin:X and \beamEnd:X tags as it has a better performance in latest Guido

arshiacont/libmusicxml,dfober/libmusicxml,dfober/libmusicxml,arshiacont/libmusicxml,grame-cncm/libmusicxml,grame-cncm/libmusicxml,arshiacont/libmusicxml,arshiacont/libmusicxml,dfober/libmusicxml,grame-cncm/libmusicxml,grame-cncm/libmusicxml,arshiacont/libmusicxml,grame-cncm/libmusicxml,dfober/libmusicxml,grame-cncm/libmusicxml