ZWJ is consumed after pseudo-half forms (i.e. those that fall back to showing viramas) in 'half', allowing them to form conjuncts in 'pres'. ZWJ is supposed to block conjuncts.
Character data
द्ब
U+0926 DEVANAGARI LETTER DA
U+094D DEVANAGARI SIGN VIRAMA
U+200D ZERO WIDTH JOINER
U+092C DEVANAGARI LETTER BA
Font
NotoSansDevanagari-Regular.otf
Where the font came from, and when
Site: https://github.com/googlefonts/noto-fonts/blob/7f12f3e70af9d2507206093d903eb9945d7e4622/phaseIII_only/unhinted/otf/NotoSansDevanagari/NotoSansDevanagari-Regular.otf Date: 2020-04-26
Font version
Version 2.001
Issue
ZWJ is consumed after pseudo-half forms (i.e. those that fall back to showing viramas) in 'half', allowing them to form conjuncts in 'pres'. ZWJ is supposed to block conjuncts.
Character data
द्ब U+0926 DEVANAGARI LETTER DA U+094D DEVANAGARI SIGN VIRAMA U+200D ZERO WIDTH JOINER U+092C DEVANAGARI LETTER BA
Screenshot