Adrian Wong

I should note that HarfBuzz does [the following](https://github.com/harfbuzz/harfbuzz/blob/a99e8721bfdb3f346d169e0d3ff0a52e13fbd1d7/src/hb-ot-shape-complex-indic.cc#L1448-L1450), which I read as "if a left matra is _not_ word-initial _and_ the preceding character falls outside a range of General Category...

> > I think in harfbuzz we always use the child's flags. Do you have a test case that can reveal this? > > A quick test reveals that the...

> BTW, your input would give the output you show only if the text was processed LTR, not sure if this was intentional, but I’d make sure Arabic text is...

Thanks for your input, @behdad. Skipping ZWJs seems like the sensible thing to do, as one would expect that a ZWJ should not block ligation. However, can you elaborate on...

Thanks for the pointers @behdad, much appreciated.

It appears that the differences come down to the left matras: * ি U+09BF BENGALI VOWEL SIGN I, and * ে U+09C7 BENGALI VOWEL SIGN E being ordered incorrectly in...