beamer: start LaTeX beamer notes
beamer: start LaTeX beamer notes

erictleung/programming-notes,erictleung/programming-notes,erictleung/programming-notes,erictleung/programming-notes,erictleung/programming-notes,erictleung/programming-notes,erictleung/programming-notes,erictleung/programming-notes,erictleung/programming-notes