[HarfBuzz] Thai below-base normalization

[Richard Wordingham]

On Thu, 23 Jan 2014 11:09:07 -0600
Martin Hosken <mhosken at gmail.com> wrote:

Note that U+0E3A does occur following upper vowels (U+0E34-7).

Does this denote a rendering interaction, or is <U+0E3A, U+0E34> just
the obvious way of entering what someone (who?) says should be <U+0E34,
U+0E3A>?  <U+0E34, U+0E3A> breaches the rule of marks below and then
marks above.