About MANICHAEAN PUNCTUATION DOUBLE DOT WITHIN DOT
Manichaean Punctuation Double Dot Within Dot (U+10AF2) is a Unicode other punctuation from the Manichaean block. It resides on Plane 1 (SMP, Supplementary Multilingual Plane), has bidirectional class R (right-to-left), is not mirrored, and has combining class 0 (Not Reordered). In HTML it can be written as 𐫲 or 𐫲. Because it is outside the Basic Multilingual Plane, proper font support is required; otherwise a fallback box may be shown.