stacks that use full-form subjoined RA and YA consonants.
ACIP {RVA} was converting to the wrong things.
The TMW for {RVA} was converting to the wrong ACIP.
Checked all the 'DLC' tags in the ttt (ACIP->Tibetan) package.
\, the Sanskrit virama, is not used. Of the 1370-odd ACIP texts I've
got here, about 57% make it through the gauntlet (fewer if you demand
a vowel or disambiguator on every stack of a non-Tibetan tsheg bar).