Please add this character used in Old Polish: $A7C0 and $A7C1. It is obtained by the letter o combined with the tails at the top and bottom. Note that in the below image, the missing character has been highlighted in red.
This image containing the modern and older Polish alphabets may be helpful. Note that in the below image, the problem characters have been highlighted in blue:
Notes: 1) Digraphs are shown in gray.
Please add these characters also used in Old Polish:
- $0304 (combining macron)
- $0308 (combining umlaut)
- $030D (combining overline)
- $1E58, $1E59 (r overdot)
- $1E82, $1E83 (w acute)
- $1E84, $1E85 (w umlaut)
- $1E8A, $1E8B (x umlaut)
- $1E8C, $1E8D (x overdot)
- $1EA0, $1EA1 (a underdot)
- $2C7F, $0240 (z swash tail)