About LEFTWARDS ARROW ABOVE SHORT RIGHTWARDS ARROW
Leftwards Arrow Above Short Rightwards Arrow (U+0B7F) is a Unicode math symbol from the Supplemental Arrows-B block. It resides on Plane 0 (BMP, Basic Multilingual Plane), has bidirectional class ON (other neutrals), is not mirrored, and has combining class 0 (Not Reordered). In HTML it can be written as ⥃ or ⥃.