On your website where you have posted your solutions to the Narada
exercises, the n tilde special character that you are using is always
showing on my web browser (Mozilla Firefox) as a "?". Also, as the
example below from exercise 16-B shows, you are not always consistent
in whether you use your own special character or the Velthuis
equivalent (~n):
9. They took the Three Refuges and the Five Precepts today.
Lit: They took the Threefold Refuge together with the Five Precepts today.
te / yaaci.msu (requested) / tisara.nena saha / pacasiilaani / ajja
Te ajja tisara.nena saha pa~ncasiilaani yaaci.msu.
My suggestion would be to always use the "~n" convention, so that
nobody's browser has a problem. What do you think?