> > I don't know where you find support for that position in that text.
> > Can you please quote? There are no "invalid base consonants" for
> > any dependent vowel (for Indic scripts; similarly for any
> > other script).
>
> Actually, there is a mention of displaying combining marks on dotted
> circles:
I know. But there is no mention (that I have found) of "invalid base
characters" or any recommendation for using dotted circles especially
for Indic scripts.
> I add that this is a good way of displaying a combining mark that has no
> base character, i.e. one occurring at the begin of a line or paragraph.
No, those should be displayed *as if* preceded by a SPACE (TUS 3.0 page 121).
/Kent K
