harfbuzz-pure is not setting the
HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL flags, which means that the corresponding
GlyphInfo flags will always be
Please update the documentation for the
safeToInsertTatweel flags to mention that they are unused and will always be
I would also suggest leaving a link to the documentation at https://harfbuzz.github.io/harfbuzz-hb-buffer.html#hb-buffer-flags-t in the source file in case you want to enable this feature in the future.