Insular D (`U+A779` & `U+A77A`)

[jmcwilliams403]

• The requested character is...
  • [x] Latin
  • [ ] Cyrillic
  • [ ] Greek
  • [ ] Punctuation
  • [ ] Symbol
• [x] Some other monospace/programming fonts supported this character. Provide images below.

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The combining version (U+1DD8) is already supported by the font using a homoglyph from Cyrillic. below is a rendering under Code 2000 with lowercase insular D followed by lowercase eth: Here is the capital form compared to capital O under Noto Sans mono:

[Logo121]

Note that the way Insular D is rendered varies quite a bit.

Unicode's version looks like this

Which is a bit ambiguous, and spawned several variants of the glyph:

• Some make the ascender(?) bend like eth without stroke as shown above.
• Some make the ascender straighter (a bit like the "reverse 6" in iosevka) or bend slightly to the other way:
• Some have the ascender start from the top, out of an O shape, like EversonMono: and Arimo:
• Some have the ascender slant further to the left, making it closer to the "horizontal", reverse-sigma-like form: vs this form in Wiki

As for the capital, most fonts agree it's the horizontal form (as does the Unicode chart version), though a select few (Code2000, Roboto) has it as a "bigger version" of lower insular D:

For Brill, it only supports (lower) Insular D as the combining character, though it looks like it also borrowed from Cyrillic: (Insular D above Italic Cyrillic De)