Thus, their use is recommended only for nice slurs extending a few bars and not supposed to occur across lines. With this restrictions,
has been obtained by coding:
\NOtes\zcharnote l{\huslur{3.5\noteskip}}\qu g\enotes \NOtes\qu h\enotes \NOtes\ql i\enotes \NOtes\ql j\enotes
However, the best solution is now to use MusiXTEX which systematically makes beautiful slurs, at the cost of a three pass system instead of one...